{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53587", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-04T15:40:38.477Z", "datePublished": "2025-10-04T15:44:02.679Z", "dateUpdated": "2026-05-11T19:47:57.275Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:47:57.275Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nring-buffer: Sync IRQ works before buffer destruction\n\nIf something was written to the buffer just before destruction,\nit may be possible (maybe not in a real system, but it did\nhappen in ARCH=um with time-travel) to destroy the ringbuffer\nbefore the IRQ work ran, leading this KASAN report (or a crash\nwithout KASAN):\n\n BUG: KASAN: slab-use-after-free in irq_work_run_list+0x11a/0x13a\n Read of size 8 at addr 000000006d640a48 by task swapper/0\n\n CPU: 0 PID: 0 Comm: swapper Tainted: G W O 6.3.0-rc1 #7\n Stack:\n 60c4f20f 0c203d48 41b58ab3 60f224fc\n 600477fa 60f35687 60c4f20f 601273dd\n 00000008 6101eb00 6101eab0 615be548\n Call Trace:\n [<60047a58>] show_stack+0x25e/0x282\n [<60c609e0>] dump_stack_lvl+0x96/0xfd\n [<60c50d4c>] print_report+0x1a7/0x5a8\n [<603078d3>] kasan_report+0xc1/0xe9\n [<60308950>] __asan_report_load8_noabort+0x1b/0x1d\n [<60232844>] irq_work_run_list+0x11a/0x13a\n [<602328b4>] irq_work_tick+0x24/0x34\n [<6017f9dc>] update_process_times+0x162/0x196\n [<6019f335>] tick_sched_handle+0x1a4/0x1c3\n [<6019fd9e>] tick_sched_timer+0x79/0x10c\n [<601812b9>] __hrtimer_run_queues.constprop.0+0x425/0x695\n [<60182913>] hrtimer_interrupt+0x16c/0x2c4\n [<600486a3>] um_timer+0x164/0x183\n [...]\n\n Allocated by task 411:\n save_stack_trace+0x99/0xb5\n stack_trace_save+0x81/0x9b\n kasan_save_stack+0x2d/0x54\n kasan_set_track+0x34/0x3e\n kasan_save_alloc_info+0x25/0x28\n ____kasan_kmalloc+0x8b/0x97\n __kasan_kmalloc+0x10/0x12\n __kmalloc+0xb2/0xe8\n load_elf_phdrs+0xee/0x182\n [...]\n\n The buggy address belongs to the object at 000000006d640800\n which belongs to the cache kmalloc-1k of size 1024\n The buggy address is located 584 bytes inside of\n freed 1024-byte region [000000006d640800, 000000006d640c00)\n\nAdd the appropriate irq_work_sync() so the work finishes before\nthe buffers are destroyed.\n\nPrior to the commit in the Fixes tag below, there was only a\nsingle global IRQ work, so this issue didn't exist."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/ring_buffer.c"], "versions": [{"version": "15693458c4bc0693fd63a50d60f35b628fcf4e29", "lessThan": "372c5ee537b8366b64b691ba29e9335525e1655e", "status": "affected", "versionType": "git"}, 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"semver"}, {"version": "5.15.111", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.28", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.15", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3.2", "lessThanOrEqual": "6.3.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4", "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": "3.10", "versionEndExcluding": "4.14.315"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "4.19.283"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "5.4.243"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "5.10.180"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "5.15.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.1.28"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.2.15"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.3.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/372c5ee537b8366b64b691ba29e9335525e1655e"}, {"url": "https://git.kernel.org/stable/c/2702b67f59d455072a08dc40312f9b090d4dec04"}, {"url": "https://git.kernel.org/stable/c/2399b1fda025e939b6fb1ac94505bcf718534e65"}, {"url": "https://git.kernel.org/stable/c/1c99f65d6af2a454bfd5207b4f6a97c8474a1191"}, {"url": "https://git.kernel.org/stable/c/c63741e872fcfb10e153517750f7908f0c00f60d"}, {"url": "https://git.kernel.org/stable/c/d9834abd8b24d1fe8092859e436fe1e0fd467c61"}, {"url": "https://git.kernel.org/stable/c/fc6858b7f8e1221f62ce8c6ff8a13a349c32cd76"}, {"url": "https://git.kernel.org/stable/c/0a65165bd24ee9231191597b7c232376fcd70cdb"}, {"url": "https://git.kernel.org/stable/c/675751bb20634f981498c7d66161584080cc061e"}], "title": "ring-buffer: Sync IRQ works before buffer destruction", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9CBA17EC-3A5C-4EFA-849A-97711A5D5C7D", "versionEndExcluding": "4.14.315", "versionStartIncluding": "3.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8AC1BC2D-A61C-4368-A3F6-50DF48E2EFC5", "versionEndExcluding": "4.19.283", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E54ACEF5-C8C1-4266-85FC-7D513FFD1DEC", "versionEndExcluding": "5.4.243", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "78422AC3-CC89-479E-B4BC-62381D8F3564", "versionEndExcluding": "5.10.180", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2B9DD776-7F17-4F72-B94F-54BFCBC692DD", "versionEndExcluding": "5.15.111", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "08F855F4-7188-4EE1-BD79-D4B6C7E2EF54", "versionEndExcluding": "6.1.28", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3844A90B-940D-46C3-8D7B-9FF63F1AFC2F", "versionEndExcluding": "6.2.15", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "38F6F330-91A0-4675-8B90-6F950471A7CC", "versionEndExcluding": "6.3.2", "versionStartIncluding": "6.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nring-buffer: Sync IRQ works before buffer destruction\n\nIf something was written to the buffer just before destruction,\nit may be possible (maybe not in a real system, but it did\nhappen in ARCH=um with time-travel) to destroy the ringbuffer\nbefore the IRQ work ran, leading this KASAN report (or a crash\nwithout KASAN):\n\n BUG: KASAN: slab-use-after-free in irq_work_run_list+0x11a/0x13a\n Read of size 8 at addr 000000006d640a48 by task swapper/0\n\n CPU: 0 PID: 0 Comm: swapper Tainted: G W O 6.3.0-rc1 #7\n Stack:\n 60c4f20f 0c203d48 41b58ab3 60f224fc\n 600477fa 60f35687 60c4f20f 601273dd\n 00000008 6101eb00 6101eab0 615be548\n Call Trace:\n [<60047a58>] show_stack+0x25e/0x282\n [<60c609e0>] dump_stack_lvl+0x96/0xfd\n [<60c50d4c>] print_report+0x1a7/0x5a8\n [<603078d3>] kasan_report+0xc1/0xe9\n [<60308950>] __asan_report_load8_noabort+0x1b/0x1d\n [<60232844>] irq_work_run_list+0x11a/0x13a\n [<602328b4>] irq_work_tick+0x24/0x34\n [<6017f9dc>] update_process_times+0x162/0x196\n [<6019f335>] tick_sched_handle+0x1a4/0x1c3\n [<6019fd9e>] tick_sched_timer+0x79/0x10c\n [<601812b9>] __hrtimer_run_queues.constprop.0+0x425/0x695\n [<60182913>] hrtimer_interrupt+0x16c/0x2c4\n [<600486a3>] um_timer+0x164/0x183\n [...]\n\n Allocated by task 411:\n save_stack_trace+0x99/0xb5\n stack_trace_save+0x81/0x9b\n kasan_save_stack+0x2d/0x54\n kasan_set_track+0x34/0x3e\n kasan_save_alloc_info+0x25/0x28\n ____kasan_kmalloc+0x8b/0x97\n __kasan_kmalloc+0x10/0x12\n __kmalloc+0xb2/0xe8\n load_elf_phdrs+0xee/0x182\n [...]\n\n The buggy address belongs to the object at 000000006d640800\n which belongs to the cache kmalloc-1k of size 1024\n The buggy address is located 584 bytes inside of\n freed 1024-byte region [000000006d640800, 000000006d640c00)\n\nAdd the appropriate irq_work_sync() so the work finishes before\nthe buffers are destroyed.\n\nPrior to the commit in the Fixes tag below, there was only a\nsingle global IRQ work, so this issue didn't exist."}], "id": "CVE-2023-53587", "lastModified": "2026-03-23T18:36:36.820", "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": "2025-10-04T16:15:55.060", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0a65165bd24ee9231191597b7c232376fcd70cdb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1c99f65d6af2a454bfd5207b4f6a97c8474a1191"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2399b1fda025e939b6fb1ac94505bcf718534e65"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2702b67f59d455072a08dc40312f9b090d4dec04"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/372c5ee537b8366b64b691ba29e9335525e1655e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/675751bb20634f981498c7d66161584080cc061e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c63741e872fcfb10e153517750f7908f0c00f60d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d9834abd8b24d1fe8092859e436fe1e0fd467c61"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fc6858b7f8e1221f62ce8c6ff8a13a349c32cd76"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ring-buffer: Sync IRQ works before buffer destruction", "id": "2401480", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2401480"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nring-buffer: Sync IRQ works before buffer destruction\nIf something was written to the buffer just before destruction,\nit may be possible (maybe not in a real system, but it did\nhappen in ARCH=um with time-travel) to destroy the ringbuffer\nbefore the IRQ work ran, leading this KASAN report (or a crash\nwithout KASAN):\nBUG: KASAN: slab-use-after-free in irq_work_run_list+0x11a/0x13a\nRead of size 8 at addr 000000006d640a48 by task swapper/0\nCPU: 0 PID: 0 Comm: swapper Tainted: G W O 6.3.0-rc1 #7\nStack:\n60c4f20f 0c203d48 41b58ab3 60f224fc\n600477fa 60f35687 60c4f20f 601273dd\n00000008 6101eb00 6101eab0 615be548\nCall Trace:\n[<60047a58>] show_stack+0x25e/0x282\n[<60c609e0>] dump_stack_lvl+0x96/0xfd\n[<60c50d4c>] print_report+0x1a7/0x5a8\n[<603078d3>] kasan_report+0xc1/0xe9\n[<60308950>] __asan_report_load8_noabort+0x1b/0x1d\n[<60232844>] irq_work_run_list+0x11a/0x13a\n[<602328b4>] irq_work_tick+0x24/0x34\n[<6017f9dc>] update_process_times+0x162/0x196\n[<6019f335>] tick_sched_handle+0x1a4/0x1c3\n[<6019fd9e>] tick_sched_timer+0x79/0x10c\n[<601812b9>] __hrtimer_run_queues.constprop.0+0x425/0x695\n[<60182913>] hrtimer_interrupt+0x16c/0x2c4\n[<600486a3>] um_timer+0x164/0x183\n[...]\nAllocated by task 411:\nsave_stack_trace+0x99/0xb5\nstack_trace_save+0x81/0x9b\nkasan_save_stack+0x2d/0x54\nkasan_set_track+0x34/0x3e\nkasan_save_alloc_info+0x25/0x28\n____kasan_kmalloc+0x8b/0x97\n__kasan_kmalloc+0x10/0x12\n__kmalloc+0xb2/0xe8\nload_elf_phdrs+0xee/0x182\n[...]\nThe buggy address belongs to the object at 000000006d640800\nwhich belongs to the cache kmalloc-1k of size 1024\nThe buggy address is located 584 bytes inside of\nfreed 1024-byte region [000000006d640800, 000000006d640c00)\nAdd the appropriate irq_work_sync() so the work finishes before\nthe buffers are destroyed.\nPrior to the commit in the Fixes tag below, there was only a\nsingle global IRQ work, so this issue didn't exist."], "name": "CVE-2023-53587", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53587\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53587\nhttps://lore.kernel.org/linux-cve-announce/2025100425-CVE-2023-53587-411f@gregkh/T"], "threat_severity": "Important"}

{"created": "2025-10-06T14:41:19.823011+00:00", "updated": "2025-10-06T14:41:19.823075+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}