{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-26724", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.163Z", "datePublished": "2024-04-03T14:55:23.349Z", "dateUpdated": "2026-05-11T20:02:55.031Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:02:55.031Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: DPLL, Fix possible use after free after delayed work timer triggers\n\nI managed to hit following use after free warning recently:\n\n[ 2169.711665] ==================================================================\n[ 2169.714009] BUG: KASAN: slab-use-after-free in __run_timers.part.0+0x179/0x4c0\n[ 2169.716293] Write of size 8 at addr ffff88812b326a70 by task swapper/4/0\n\n[ 2169.719022] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 6.8.0-rc2jiri+ #2\n[ 2169.720974] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\n[ 2169.722457] Call Trace:\n[ 2169.722756] <IRQ>\n[ 2169.723024] dump_stack_lvl+0x58/0xb0\n[ 2169.723417] print_report+0xc5/0x630\n[ 2169.723807] ? __virt_addr_valid+0x126/0x2b0\n[ 2169.724268] kasan_report+0xbe/0xf0\n[ 2169.724667] ? __run_timers.part.0+0x179/0x4c0\n[ 2169.725116] ? __run_timers.part.0+0x179/0x4c0\n[ 2169.725570] __run_timers.part.0+0x179/0x4c0\n[ 2169.726003] ? call_timer_fn+0x320/0x320\n[ 2169.726404] ? lock_downgrade+0x3a0/0x3a0\n[ 2169.726820] ? kvm_clock_get_cycles+0x14/0x20\n[ 2169.727257] ? ktime_get+0x92/0x150\n[ 2169.727630] ? lapic_next_deadline+0x35/0x60\n[ 2169.728069] run_timer_softirq+0x40/0x80\n[ 2169.728475] __do_softirq+0x1a1/0x509\n[ 2169.728866] irq_exit_rcu+0x95/0xc0\n[ 2169.729241] sysvec_apic_timer_interrupt+0x6b/0x80\n[ 2169.729718] </IRQ>\n[ 2169.729993] <TASK>\n[ 2169.730259] asm_sysvec_apic_timer_interrupt+0x16/0x20\n[ 2169.730755] RIP: 0010:default_idle+0x13/0x20\n[ 2169.731190] Code: c0 08 00 00 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 72 ff ff ff cc cc cc cc 8b 05 9a 7f 1f 02 85 c0 7e 07 0f 00 2d cf 69 43 00 fb f4 <fa> c3 66 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 04 25 c0 93 04 00\n[ 2169.732759] RSP: 0018:ffff888100dbfe10 EFLAGS: 00000242\n[ 2169.733264] RAX: 0000000000000001 RBX: ffff888100d9c200 RCX: ffffffff8241bd62\n[ 2169.733925] RDX: ffffed109a848b15 RSI: 0000000000000004 RDI: ffffffff8127ac55\n[ 2169.734566] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffed109a848b14\n[ 2169.735200] R10: ffff8884d42458a3 R11: 000000000000ba7e R12: ffffffff83d7d3a0\n[ 2169.735835] R13: 1ffff110201b7fc6 R14: 0000000000000000 R15: ffff888100d9c200\n[ 2169.736478] ? ct_kernel_exit.constprop.0+0xa2/0xc0\n[ 2169.736954] ? do_idle+0x285/0x290\n[ 2169.737323] default_idle_call+0x63/0x90\n[ 2169.737730] do_idle+0x285/0x290\n[ 2169.738089] ? arch_cpu_idle_exit+0x30/0x30\n[ 2169.738511] ? mark_held_locks+0x1a/0x80\n[ 2169.738917] ? lockdep_hardirqs_on_prepare+0x12e/0x200\n[ 2169.739417] cpu_startup_entry+0x30/0x40\n[ 2169.739825] start_secondary+0x19a/0x1c0\n[ 2169.740229] ? set_cpu_sibling_map+0xbd0/0xbd0\n[ 2169.740673] secondary_startup_64_no_verify+0x15d/0x16b\n[ 2169.741179] </TASK>\n\n[ 2169.741686] Allocated by task 1098:\n[ 2169.742058] kasan_save_stack+0x1c/0x40\n[ 2169.742456] kasan_save_track+0x10/0x30\n[ 2169.742852] __kasan_kmalloc+0x83/0x90\n[ 2169.743246] mlx5_dpll_probe+0xf5/0x3c0 [mlx5_dpll]\n[ 2169.743730] auxiliary_bus_probe+0x62/0xb0\n[ 2169.744148] really_probe+0x127/0x590\n[ 2169.744534] __driver_probe_device+0xd2/0x200\n[ 2169.744973] device_driver_attach+0x6b/0xf0\n[ 2169.745402] bind_store+0x90/0xe0\n[ 2169.745761] kernfs_fop_write_iter+0x1df/0x2a0\n[ 2169.746210] vfs_write+0x41f/0x790\n[ 2169.746579] ksys_write+0xc7/0x160\n[ 2169.746947] do_syscall_64+0x6f/0x140\n[ 2169.747333] entry_SYSCALL_64_after_hwframe+0x46/0x4e\n\n[ 2169.748049] Freed by task 1220:\n[ 2169.748393] kasan_save_stack+0x1c/0x40\n[ 2169.748789] kasan_save_track+0x10/0x30\n[ 2169.749188] kasan_save_free_info+0x3b/0x50\n[ 2169.749621] poison_slab_object+0x106/0x180\n[ 2169.750044] __kasan_slab_free+0x14/0x50\n[ 2169.750451] kfree+0x118/0x330\n[ 2169.750792] mlx5_dpll_remove+0xf5/0x110 [mlx5_dpll]\n[ 2169.751271] auxiliary_bus_remove+0x2e/0x40\n[ 2169.751694] device_release_driver_internal+0x24b/0x2e0\n[ 2169.752191] unbind_store+0xa6/0xb0\n[ 2169.752563] kernfs_fo\n---truncated---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/dpll.c"], "versions": [{"version": "496fd0a26bbf73b6b12407ee4fbe5ff49d659a6d", "lessThan": "1596126ea50228f0ed96697bae4e9368fda02c56", "status": "affected", "versionType": "git"}, {"version": "496fd0a26bbf73b6b12407ee4fbe5ff49d659a6d", "lessThan": "aa1eec2f546f2afa8c98ec41e5d8ee488165d685", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/dpll.c"], "versions": [{"version": "6.7", "status": "affected"}, {"version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.6", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.7.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1596126ea50228f0ed96697bae4e9368fda02c56"}, {"url": "https://git.kernel.org/stable/c/aa1eec2f546f2afa8c98ec41e5d8ee488165d685"}], "title": "net/mlx5: DPLL, Fix possible use after free after delayed work timer triggers", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26724", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-04-05T17:56:55.554456Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:49:11.438Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:14:12.956Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/1596126ea50228f0ed96697bae4e9368fda02c56", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/aa1eec2f546f2afa8c98ec41e5d8ee488165d685", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/1596126ea50228f0ed96697bae4e9368fda02c56", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/aa1eec2f546f2afa8c98ec41e5d8ee488165d685", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:14:12.956Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26724", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-04-05T17:56:55.554456Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T19:01:22.289Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "net/mlx5: DPLL, Fix possible use after free after delayed work timer triggers", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "496fd0a26bbf73b6b12407ee4fbe5ff49d659a6d", "lessThan": "1596126ea50228f0ed96697bae4e9368fda02c56", "versionType": "git"}, {"status": "affected", "version": "496fd0a26bbf73b6b12407ee4fbe5ff49d659a6d", "lessThan": "aa1eec2f546f2afa8c98ec41e5d8ee488165d685", "versionType": "git"}], "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/dpll.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.7"}, {"status": "unaffected", "version": "0", "lessThan": "6.7", "versionType": "semver"}, {"status": "unaffected", "version": "6.7.6", "versionType": "semver", "lessThanOrEqual": "6.7.*"}, {"status": "unaffected", "version": "6.8", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/dpll.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/1596126ea50228f0ed96697bae4e9368fda02c56"}, {"url": "https://git.kernel.org/stable/c/aa1eec2f546f2afa8c98ec41e5d8ee488165d685"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: DPLL, Fix possible use after free after delayed work timer triggers\n\nI managed to hit following use after free warning recently:\n\n[ 2169.711665] ==================================================================\n[ 2169.714009] BUG: KASAN: slab-use-after-free in __run_timers.part.0+0x179/0x4c0\n[ 2169.716293] Write of size 8 at addr ffff88812b326a70 by task swapper/4/0\n\n[ 2169.719022] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 6.8.0-rc2jiri+ #2\n[ 2169.720974] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\n[ 2169.722457] Call Trace:\n[ 2169.722756] <IRQ>\n[ 2169.723024] dump_stack_lvl+0x58/0xb0\n[ 2169.723417] print_report+0xc5/0x630\n[ 2169.723807] ? __virt_addr_valid+0x126/0x2b0\n[ 2169.724268] kasan_report+0xbe/0xf0\n[ 2169.724667] ? __run_timers.part.0+0x179/0x4c0\n[ 2169.725116] ? __run_timers.part.0+0x179/0x4c0\n[ 2169.725570] __run_timers.part.0+0x179/0x4c0\n[ 2169.726003] ? call_timer_fn+0x320/0x320\n[ 2169.726404] ? lock_downgrade+0x3a0/0x3a0\n[ 2169.726820] ? kvm_clock_get_cycles+0x14/0x20\n[ 2169.727257] ? ktime_get+0x92/0x150\n[ 2169.727630] ? lapic_next_deadline+0x35/0x60\n[ 2169.728069] run_timer_softirq+0x40/0x80\n[ 2169.728475] __do_softirq+0x1a1/0x509\n[ 2169.728866] irq_exit_rcu+0x95/0xc0\n[ 2169.729241] sysvec_apic_timer_interrupt+0x6b/0x80\n[ 2169.729718] </IRQ>\n[ 2169.729993] <TASK>\n[ 2169.730259] asm_sysvec_apic_timer_interrupt+0x16/0x20\n[ 2169.730755] RIP: 0010:default_idle+0x13/0x20\n[ 2169.731190] Code: c0 08 00 00 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 72 ff ff ff cc cc cc cc 8b 05 9a 7f 1f 02 85 c0 7e 07 0f 00 2d cf 69 43 00 fb f4 <fa> c3 66 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 04 25 c0 93 04 00\n[ 2169.732759] RSP: 0018:ffff888100dbfe10 EFLAGS: 00000242\n[ 2169.733264] RAX: 0000000000000001 RBX: ffff888100d9c200 RCX: ffffffff8241bd62\n[ 2169.733925] RDX: ffffed109a848b15 RSI: 0000000000000004 RDI: ffffffff8127ac55\n[ 2169.734566] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffed109a848b14\n[ 2169.735200] R10: ffff8884d42458a3 R11: 000000000000ba7e R12: ffffffff83d7d3a0\n[ 2169.735835] R13: 1ffff110201b7fc6 R14: 0000000000000000 R15: ffff888100d9c200\n[ 2169.736478] ? ct_kernel_exit.constprop.0+0xa2/0xc0\n[ 2169.736954] ? do_idle+0x285/0x290\n[ 2169.737323] default_idle_call+0x63/0x90\n[ 2169.737730] do_idle+0x285/0x290\n[ 2169.738089] ? arch_cpu_idle_exit+0x30/0x30\n[ 2169.738511] ? mark_held_locks+0x1a/0x80\n[ 2169.738917] ? lockdep_hardirqs_on_prepare+0x12e/0x200\n[ 2169.739417] cpu_startup_entry+0x30/0x40\n[ 2169.739825] start_secondary+0x19a/0x1c0\n[ 2169.740229] ? set_cpu_sibling_map+0xbd0/0xbd0\n[ 2169.740673] secondary_startup_64_no_verify+0x15d/0x16b\n[ 2169.741179] </TASK>\n\n[ 2169.741686] Allocated by task 1098:\n[ 2169.742058] kasan_save_stack+0x1c/0x40\n[ 2169.742456] kasan_save_track+0x10/0x30\n[ 2169.742852] __kasan_kmalloc+0x83/0x90\n[ 2169.743246] mlx5_dpll_probe+0xf5/0x3c0 [mlx5_dpll]\n[ 2169.743730] auxiliary_bus_probe+0x62/0xb0\n[ 2169.744148] really_probe+0x127/0x590\n[ 2169.744534] __driver_probe_device+0xd2/0x200\n[ 2169.744973] device_driver_attach+0x6b/0xf0\n[ 2169.745402] bind_store+0x90/0xe0\n[ 2169.745761] kernfs_fop_write_iter+0x1df/0x2a0\n[ 2169.746210] vfs_write+0x41f/0x790\n[ 2169.746579] ksys_write+0xc7/0x160\n[ 2169.746947] do_syscall_64+0x6f/0x140\n[ 2169.747333] entry_SYSCALL_64_after_hwframe+0x46/0x4e\n\n[ 2169.748049] Freed by task 1220:\n[ 2169.748393] kasan_save_stack+0x1c/0x40\n[ 2169.748789] kasan_save_track+0x10/0x30\n[ 2169.749188] kasan_save_free_info+0x3b/0x50\n[ 2169.749621] poison_slab_object+0x106/0x180\n[ 2169.750044] __kasan_slab_free+0x14/0x50\n[ 2169.750451] kfree+0x118/0x330\n[ 2169.750792] mlx5_dpll_remove+0xf5/0x110 [mlx5_dpll]\n[ 2169.751271] auxiliary_bus_remove+0x2e/0x40\n[ 2169.751694] device_release_driver_internal+0x24b/0x2e0\n[ 2169.752191] unbind_store+0xa6/0xb0\n[ 2169.752563] kernfs_fo\n---truncated---"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.7.6", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.8", "versionStartIncluding": "6.7"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:02:55.031Z"}}}, "cveMetadata": {"cveId": "CVE-2024-26724", "state": "PUBLISHED", "dateUpdated": "2026-05-11T20:02:55.031Z", "dateReserved": "2024-02-19T14:20:24.163Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-04-03T14:55:23.349Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C6D6A5C8-7308-42A9-8A72-ABF3DEA4BB82", "versionEndExcluding": "6.7.6", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*", "matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*", "matchCriteriaId": "056BD938-0A27-4569-B391-30578B309EE3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*", "matchCriteriaId": "F02056A5-B362-4370-9FF8-6F0BD384D520", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*", "matchCriteriaId": "62075ACE-B2A0-4B16-829D-B3DA5AE5CC41", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: DPLL, Fix possible use after free after delayed work timer triggers\n\nI managed to hit following use after free warning recently:\n\n[ 2169.711665] ==================================================================\n[ 2169.714009] BUG: KASAN: slab-use-after-free in __run_timers.part.0+0x179/0x4c0\n[ 2169.716293] Write of size 8 at addr ffff88812b326a70 by task swapper/4/0\n\n[ 2169.719022] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 6.8.0-rc2jiri+ #2\n[ 2169.720974] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\n[ 2169.722457] Call Trace:\n[ 2169.722756] <IRQ>\n[ 2169.723024] dump_stack_lvl+0x58/0xb0\n[ 2169.723417] print_report+0xc5/0x630\n[ 2169.723807] ? __virt_addr_valid+0x126/0x2b0\n[ 2169.724268] kasan_report+0xbe/0xf0\n[ 2169.724667] ? __run_timers.part.0+0x179/0x4c0\n[ 2169.725116] ? __run_timers.part.0+0x179/0x4c0\n[ 2169.725570] __run_timers.part.0+0x179/0x4c0\n[ 2169.726003] ? call_timer_fn+0x320/0x320\n[ 2169.726404] ? lock_downgrade+0x3a0/0x3a0\n[ 2169.726820] ? kvm_clock_get_cycles+0x14/0x20\n[ 2169.727257] ? ktime_get+0x92/0x150\n[ 2169.727630] ? lapic_next_deadline+0x35/0x60\n[ 2169.728069] run_timer_softirq+0x40/0x80\n[ 2169.728475] __do_softirq+0x1a1/0x509\n[ 2169.728866] irq_exit_rcu+0x95/0xc0\n[ 2169.729241] sysvec_apic_timer_interrupt+0x6b/0x80\n[ 2169.729718] </IRQ>\n[ 2169.729993] <TASK>\n[ 2169.730259] asm_sysvec_apic_timer_interrupt+0x16/0x20\n[ 2169.730755] RIP: 0010:default_idle+0x13/0x20\n[ 2169.731190] Code: c0 08 00 00 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 72 ff ff ff cc cc cc cc 8b 05 9a 7f 1f 02 85 c0 7e 07 0f 00 2d cf 69 43 00 fb f4 <fa> c3 66 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 04 25 c0 93 04 00\n[ 2169.732759] RSP: 0018:ffff888100dbfe10 EFLAGS: 00000242\n[ 2169.733264] RAX: 0000000000000001 RBX: ffff888100d9c200 RCX: ffffffff8241bd62\n[ 2169.733925] RDX: ffffed109a848b15 RSI: 0000000000000004 RDI: ffffffff8127ac55\n[ 2169.734566] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffed109a848b14\n[ 2169.735200] R10: ffff8884d42458a3 R11: 000000000000ba7e R12: ffffffff83d7d3a0\n[ 2169.735835] R13: 1ffff110201b7fc6 R14: 0000000000000000 R15: ffff888100d9c200\n[ 2169.736478] ? ct_kernel_exit.constprop.0+0xa2/0xc0\n[ 2169.736954] ? do_idle+0x285/0x290\n[ 2169.737323] default_idle_call+0x63/0x90\n[ 2169.737730] do_idle+0x285/0x290\n[ 2169.738089] ? arch_cpu_idle_exit+0x30/0x30\n[ 2169.738511] ? mark_held_locks+0x1a/0x80\n[ 2169.738917] ? lockdep_hardirqs_on_prepare+0x12e/0x200\n[ 2169.739417] cpu_startup_entry+0x30/0x40\n[ 2169.739825] start_secondary+0x19a/0x1c0\n[ 2169.740229] ? set_cpu_sibling_map+0xbd0/0xbd0\n[ 2169.740673] secondary_startup_64_no_verify+0x15d/0x16b\n[ 2169.741179] </TASK>\n\n[ 2169.741686] Allocated by task 1098:\n[ 2169.742058] kasan_save_stack+0x1c/0x40\n[ 2169.742456] kasan_save_track+0x10/0x30\n[ 2169.742852] __kasan_kmalloc+0x83/0x90\n[ 2169.743246] mlx5_dpll_probe+0xf5/0x3c0 [mlx5_dpll]\n[ 2169.743730] auxiliary_bus_probe+0x62/0xb0\n[ 2169.744148] really_probe+0x127/0x590\n[ 2169.744534] __driver_probe_device+0xd2/0x200\n[ 2169.744973] device_driver_attach+0x6b/0xf0\n[ 2169.745402] bind_store+0x90/0xe0\n[ 2169.745761] kernfs_fop_write_iter+0x1df/0x2a0\n[ 2169.746210] vfs_write+0x41f/0x790\n[ 2169.746579] ksys_write+0xc7/0x160\n[ 2169.746947] do_syscall_64+0x6f/0x140\n[ 2169.747333] entry_SYSCALL_64_after_hwframe+0x46/0x4e\n\n[ 2169.748049] Freed by task 1220:\n[ 2169.748393] kasan_save_stack+0x1c/0x40\n[ 2169.748789] kasan_save_track+0x10/0x30\n[ 2169.749188] kasan_save_free_info+0x3b/0x50\n[ 2169.749621] poison_slab_object+0x106/0x180\n[ 2169.750044] __kasan_slab_free+0x14/0x50\n[ 2169.750451] kfree+0x118/0x330\n[ 2169.750792] mlx5_dpll_remove+0xf5/0x110 [mlx5_dpll]\n[ 2169.751271] auxiliary_bus_remove+0x2e/0x40\n[ 2169.751694] device_release_driver_internal+0x24b/0x2e0\n[ 2169.752191] unbind_store+0xa6/0xb0\n[ 2169.752563] kernfs_fo\n---truncated---"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net/mlx5: DPLL, corrige el posible uso despu\u00e9s de la activaci\u00f3n del temporizador de trabajo retrasado despu\u00e9s de la liberaci\u00f3n. Logr\u00e9 alcanzar el siguiente uso despu\u00e9s de la advertencia de la liberaci\u00f3n gratuita recientemente: [2169.711665] ======== ==================================================== ======== [2169.714009] ERROR: KASAN: slab-use-after-free en __run_timers.part.0+0x179/0x4c0 [2169.716293] Escritura de tama\u00f1o 8 en la direcci\u00f3n ffff88812b326a70 mediante task swapper/4/0 [ 2169.719022] CPU: 4 PID: 0 Comm: swapper/4 No contaminado 6.8.0-rc2jiri+ #2 [2169.720974] Nombre de hardware: PC est\u00e1ndar QEMU (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02- prebuilt.qemu.org 01/04/2014 [2169.722457] Seguimiento de llamadas: [2169.722756] [2169.723024] dump_stack_lvl+0x58/0xb0 [2169.723417] print_report+0xc5/0x630 [2169.72 3807] ? __virt_addr_valid+0x126/0x2b0 [ 2169.724268] kasan_report+0xbe/0xf0 [ 2169.724667] ? __run_timers.part.0+0x179/0x4c0 [2169.725116]? __run_timers.part.0+0x179/0x4c0 [2169.725570] __run_timers.part.0+0x179/0x4c0 [2169.726003]? call_timer_fn+0x320/0x320 [2169.726404]? lock_downgrade+0x3a0/0x3a0 [2169.726820]? kvm_clock_get_cycles+0x14/0x20 [2169.727257]? ktime_get+0x92/0x150 [2169.727630]? lapic_next_deadline+0x35/0x60 [ 2169.728069] run_timer_softirq+0x40/0x80 [ 2169.728475] __do_softirq+0x1a1/0x509 [ 2169.728866] irq_exit_rcu+0x95/0xc0 [ 2169.7 29241] sysvec_apic_timer_interrupt+0x6b/0x80 [ 2169.729718] [ 2169.729993] [ 2169.730259] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 2169.730755] RIP: 0010:default_idle+0x13/0x20 [ 2169.731190] C\u00f3digo: c0 08 00 00 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 72 ff ff ff cc cc cc cc 8b 05 9a 7f 1f 02 85 c0 7e 07 0f 00 2d cf 69 43 00 fb f4 c3 66 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 04 25 c0 93 04 00 [ 2169.732759 ] RSP: 0018:ffff888100dbfe10 EFLAGS : 00000242 [ 2169.733264] RAX: 00000000000000001 RBX: ffff888100d9c200 RCX: ffffffff8241bd62 [ 2169.733925] RDX: ffffed109a848b15 RSI: 000000000 0000004 RDI: ffffffff8127ac55 [ 2169.734566] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffed109a848b14 [ 2169.735200] R10: ffff8884d4245 8a3 R11: 000000000000ba7e R12: ffffffff83d7d3a0 [2169.735835] R13: 1ffff110201b7fc6 R14: 0000000000000000 R15: ffff888100d9c200 [2169.736478] ? ct_kernel_exit.constprop.0+0xa2/0xc0 [2169.736954]? do_idle+0x285/0x290 [ 2169.737323] default_idle_call+0x63/0x90 [ 2169.737730] do_idle+0x285/0x290 [ 2169.738089] ? arch_cpu_idle_exit+0x30/0x30 [2169.738511]? mark_held_locks+0x1a/0x80 [2169.738917]? lockdep_hardirqs_on_prepare+0x12e/0x200 [ 2169.739417] cpu_startup_entry+0x30/0x40 [ 2169.739825] start_secondary+0x19a/0x1c0 [ 2169.740229] ? set_cpu_sibling_map+0xbd0/0xbd0 [ 2169.740673] second_startup_64_no_verify+0x15d/0x16b [ 2169.741179] [ 2169.741686] Asignado por la tarea 1098: [ 2169.742058] kasan_save_s tachuela+0x1c/0x40 [ 2169.742456] kasan_save_track+0x10/0x30 [ 2169.742852] __kasan_kmalloc+0x83 /0x90 [ 2169.743246] mlx5_dpll_probe+0xf5/0x3c0 [mlx5_dpll] [ 2169.743730] sonda_bus_auxiliar+0x62/0xb0 [ 2169.744148] sonda_real+0x127/0x590 [ 2169.744534] __driver_probe_device+0xd2/0x200 [ 2169.744973] dispositivo_driver_attach+0x6b/0xf0 [ 2169.745402] bind_store+ 0x90/0xe0 [ 2169.745761] kernfs_fop_write_iter+0x1df/0x2a0 [ 2169.746210] vfs_write+0x41f/0x790 [ 2169.746579] ksys_write+0xc7/0x160 [ 2169.746947 ] do_syscall_64+0x6f/0x140 [ 2169.747333] Entry_SYSCALL_64_after_hwframe+0x46/0x4e [ 2169.748049] Liberado por la tarea 1220 : [ 2169.748393] kasan_save_stack+0x1c/0x40 [ 2169.748789] kasan_save_track+0x10/0x30 [ 2169.749188] kasan_save_free_info+0x3b/0x50 [ 2169.749621] veneno_slab_object+0x106 /0x180 [ 2169.750044] __kasan_slab_free+0x14/0x50 [ 2169.750451] kfree+0x118/0x330 [ 2169.750792] mlx5_dpll_remove+0xf5/0x110 [mlx5_dpll] [ 2169.751271] auxiliar_bus_remove+0x2e/0x40 ---truncado---"}], "id": "CVE-2024-26724", "lastModified": "2025-02-27T14:34:43.180", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-04-03T15:15:54.203", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1596126ea50228f0ed96697bae4e9368fda02c56"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/aa1eec2f546f2afa8c98ec41e5d8ee488165d685"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1596126ea50228f0ed96697bae4e9368fda02c56"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/aa1eec2f546f2afa8c98ec41e5d8ee488165d685"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: net/mlx5: DPLL, Fix possible use after free after delayed work timer triggers", "id": "2273133", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273133"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet/mlx5: DPLL, Fix possible use after free after delayed work timer triggers\nI managed to hit following use after free warning recently:\n[ 2169.711665] ==================================================================\n[ 2169.714009] BUG: KASAN: slab-use-after-free in __run_timers.part.0+0x179/0x4c0\n[ 2169.716293] Write of size 8 at addr ffff88812b326a70 by task swapper/4/0\n[ 2169.719022] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 6.8.0-rc2jiri+ #2\n[ 2169.720974] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\n[ 2169.722457] Call Trace:\n[ 2169.722756] <IRQ>\n[ 2169.723024] dump_stack_lvl+0x58/0xb0\n[ 2169.723417] print_report+0xc5/0x630\n[ 2169.723807] ? __virt_addr_valid+0x126/0x2b0\n[ 2169.724268] kasan_report+0xbe/0xf0\n[ 2169.724667] ? __run_timers.part.0+0x179/0x4c0\n[ 2169.725116] ? __run_timers.part.0+0x179/0x4c0\n[ 2169.725570] __run_timers.part.0+0x179/0x4c0\n[ 2169.726003] ? call_timer_fn+0x320/0x320\n[ 2169.726404] ? lock_downgrade+0x3a0/0x3a0\n[ 2169.726820] ? kvm_clock_get_cycles+0x14/0x20\n[ 2169.727257] ? ktime_get+0x92/0x150\n[ 2169.727630] ? lapic_next_deadline+0x35/0x60\n[ 2169.728069] run_timer_softirq+0x40/0x80\n[ 2169.728475] __do_softirq+0x1a1/0x509\n[ 2169.728866] irq_exit_rcu+0x95/0xc0\n[ 2169.729241] sysvec_apic_timer_interrupt+0x6b/0x80\n[ 2169.729718] </IRQ>\n[ 2169.729993] <TASK>\n[ 2169.730259] asm_sysvec_apic_timer_interrupt+0x16/0x20\n[ 2169.730755] RIP: 0010:default_idle+0x13/0x20\n[ 2169.731190] Code: c0 08 00 00 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 72 ff ff ff cc cc cc cc 8b 05 9a 7f 1f 02 85 c0 7e 07 0f 00 2d cf 69 43 00 fb f4 <fa> c3 66 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 04 25 c0 93 04 00\n[ 2169.732759] RSP: 0018:ffff888100dbfe10 EFLAGS: 00000242\n[ 2169.733264] RAX: 0000000000000001 RBX: ffff888100d9c200 RCX: ffffffff8241bd62\n[ 2169.733925] RDX: ffffed109a848b15 RSI: 0000000000000004 RDI: ffffffff8127ac55\n[ 2169.734566] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffed109a848b14\n[ 2169.735200] R10: ffff8884d42458a3 R11: 000000000000ba7e R12: ffffffff83d7d3a0\n[ 2169.735835] R13: 1ffff110201b7fc6 R14: 0000000000000000 R15: ffff888100d9c200\n[ 2169.736478] ? ct_kernel_exit.constprop.0+0xa2/0xc0\n[ 2169.736954] ? do_idle+0x285/0x290\n[ 2169.737323] default_idle_call+0x63/0x90\n[ 2169.737730] do_idle+0x285/0x290\n[ 2169.738089] ? arch_cpu_idle_exit+0x30/0x30\n[ 2169.738511] ? mark_held_locks+0x1a/0x80\n[ 2169.738917] ? lockdep_hardirqs_on_prepare+0x12e/0x200\n[ 2169.739417] cpu_startup_entry+0x30/0x40\n[ 2169.739825] start_secondary+0x19a/0x1c0\n[ 2169.740229] ? set_cpu_sibling_map+0xbd0/0xbd0\n[ 2169.740673] secondary_startup_64_no_verify+0x15d/0x16b\n[ 2169.741179] </TASK>\n[ 2169.741686] Allocated by task 1098:\n[ 2169.742058] kasan_save_stack+0x1c/0x40\n[ 2169.742456] kasan_save_track+0x10/0x30\n[ 2169.742852] __kasan_kmalloc+0x83/0x90\n[ 2169.743246] mlx5_dpll_probe+0xf5/0x3c0 [mlx5_dpll]\n[ 2169.743730] auxiliary_bus_probe+0x62/0xb0\n[ 2169.744148] really_probe+0x127/0x590\n[ 2169.744534] __driver_probe_device+0xd2/0x200\n[ 2169.744973] device_driver_attach+0x6b/0xf0\n[ 2169.745402] bind_store+0x90/0xe0\n[ 2169.745761] kernfs_fop_write_iter+0x1df/0x2a0\n[ 2169.746210] vfs_write+0x41f/0x790\n[ 2169.746579] ksys_write+0xc7/0x160\n[ 2169.746947] do_syscall_64+0x6f/0x140\n[ 2169.747333] entry_SYSCALL_64_after_hwframe+0x46/0x4e\n[ 2169.748049] Freed by task 1220:\n[ 2169.748393] kasan_save_stack+0x1c/0x40\n[ 2169.748789] kasan_save_track+0x10/0x30\n[ 2169.749188] kasan_save_free_info+0x3b/0x50\n[ 2169.749621] poison_slab_object+0x106/0x180\n[ 2169.750044] __kasan_slab_free+0x14/0x50\n[ 2169.750451] kfree+0x118/0x330\n[ 2169.750792] mlx5_dpll_remove+0xf5/0x110 [mlx5_dpll]\n[ 2169.751271] auxiliary_bus_remove+0x2e/0x40\n[ 2169.751694] device_release_driver_internal+0x24b/0x2e0\n[ 2169.752191] unbind_store+0xa6/0xb0\n[ 2169.752563] kernfs_fo\n---truncated---", "A vulnerability was found in the mlx5_dpll_remove() function in the Linux kernel, which cancels delayed work. However, if the work is still running it can schedule itself to run again, which will lead to access of freed memory. This issue could cause memory corruption or crashes."], "name": "CVE-2024-26724", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26724\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26724\nhttps://lore.kernel.org/linux-cve-announce/2024040345-CVE-2024-26724-4e19@gregkh/T"], "statement": "Red Hat Enterprise Linux 8 and 9 are not affected by this vulnerability.", "threat_severity": "Moderate"}

{}