{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-56639", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-27T15:00:39.839Z", "datePublished": "2024-12-27T15:02:41.549Z", "dateUpdated": "2026-05-11T20:56:22.799Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:56:22.799Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hsr: must allocate more bytes for RedBox support\n\nBlamed commit forgot to change hsr_init_skb() to allocate\nlarger skb for RedBox case.\n\nIndeed, send_hsr_supervision_frame() will add\ntwo additional components (struct hsr_sup_tlv\nand struct hsr_sup_payload)\n\nsyzbot reported the following crash:\nskbuff: skb_over_panic: text:ffffffff8afd4b0a len:34 put:6 head:ffff88802ad29e00 data:ffff88802ad29f22 tail:0x144 end:0x140 dev:gretap0\n------------[ cut here ]------------\n kernel BUG at net/core/skbuff.c:206 !\nOops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI\nCPU: 2 UID: 0 PID: 7611 Comm: syz-executor Not tainted 6.12.0-syzkaller #0\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\n RIP: 0010:skb_panic+0x157/0x1d0 net/core/skbuff.c:206\nCode: b6 04 01 84 c0 74 04 3c 03 7e 21 8b 4b 70 41 56 45 89 e8 48 c7 c7 a0 7d 9b 8c 41 57 56 48 89 ee 52 4c 89 e2 e8 9a 76 79 f8 90 <0f> 0b 4c 89 4c 24 10 48 89 54 24 08 48 89 34 24 e8 94 76 fb f8 4c\nRSP: 0018:ffffc90000858ab8 EFLAGS: 00010282\nRAX: 0000000000000087 RBX: ffff8880598c08c0 RCX: ffffffff816d3e69\nRDX: 0000000000000000 RSI: ffffffff816de786 RDI: 0000000000000005\nRBP: ffffffff8c9b91c0 R08: 0000000000000005 R09: 0000000000000000\nR10: 0000000000000302 R11: ffffffff961cc1d0 R12: ffffffff8afd4b0a\nR13: 0000000000000006 R14: ffff88804b938130 R15: 0000000000000140\nFS: 000055558a3d6500(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f1295974ff8 CR3: 000000002ab6e000 CR4: 0000000000352ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <IRQ>\n skb_over_panic net/core/skbuff.c:211 [inline]\n skb_put+0x174/0x1b0 net/core/skbuff.c:2617\n send_hsr_supervision_frame+0x6fa/0x9e0 net/hsr/hsr_device.c:342\n hsr_proxy_announce+0x1a3/0x4a0 net/hsr/hsr_device.c:436\n call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1794\n expire_timers kernel/time/timer.c:1845 [inline]\n __run_timers+0x6e8/0x930 kernel/time/timer.c:2419\n __run_timer_base kernel/time/timer.c:2430 [inline]\n __run_timer_base kernel/time/timer.c:2423 [inline]\n run_timer_base+0x111/0x190 kernel/time/timer.c:2439\n run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2449\n handle_softirqs+0x213/0x8f0 kernel/softirq.c:554\n __do_softirq kernel/softirq.c:588 [inline]\n invoke_softirq kernel/softirq.c:428 [inline]\n __irq_exit_rcu kernel/softirq.c:637 [inline]\n irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649\n instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]\n sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049\n </IRQ>"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/hsr/hsr_device.c"], "versions": [{"version": "5055cccfc2d1cc1a7306f6bcdcd0ee9521d707f5", "lessThan": "688842f47ee9fb392d1c3a1ced1d21d505b14968", "status": "affected", "versionType": "git"}, {"version": "5055cccfc2d1cc1a7306f6bcdcd0ee9521d707f5", "lessThan": "af8edaeddbc52e53207d859c912b017fd9a77629", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/hsr/hsr_device.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.5", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "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": "6.10", "versionEndExcluding": "6.12.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/688842f47ee9fb392d1c3a1ced1d21d505b14968"}, {"url": "https://git.kernel.org/stable/c/af8edaeddbc52e53207d859c912b017fd9a77629"}], "title": "net: hsr: must allocate more bytes for RedBox support", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DC342DCB-0FE7-49A9-8291-3E1FCB51A530", "versionEndExcluding": "6.12.5", "versionStartIncluding": "6.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*", "matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hsr: must allocate more bytes for RedBox support\n\nBlamed commit forgot to change hsr_init_skb() to allocate\nlarger skb for RedBox case.\n\nIndeed, send_hsr_supervision_frame() will add\ntwo additional components (struct hsr_sup_tlv\nand struct hsr_sup_payload)\n\nsyzbot reported the following crash:\nskbuff: skb_over_panic: text:ffffffff8afd4b0a len:34 put:6 head:ffff88802ad29e00 data:ffff88802ad29f22 tail:0x144 end:0x140 dev:gretap0\n------------[ cut here ]------------\n kernel BUG at net/core/skbuff.c:206 !\nOops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI\nCPU: 2 UID: 0 PID: 7611 Comm: syz-executor Not tainted 6.12.0-syzkaller #0\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\n RIP: 0010:skb_panic+0x157/0x1d0 net/core/skbuff.c:206\nCode: b6 04 01 84 c0 74 04 3c 03 7e 21 8b 4b 70 41 56 45 89 e8 48 c7 c7 a0 7d 9b 8c 41 57 56 48 89 ee 52 4c 89 e2 e8 9a 76 79 f8 90 <0f> 0b 4c 89 4c 24 10 48 89 54 24 08 48 89 34 24 e8 94 76 fb f8 4c\nRSP: 0018:ffffc90000858ab8 EFLAGS: 00010282\nRAX: 0000000000000087 RBX: ffff8880598c08c0 RCX: ffffffff816d3e69\nRDX: 0000000000000000 RSI: ffffffff816de786 RDI: 0000000000000005\nRBP: ffffffff8c9b91c0 R08: 0000000000000005 R09: 0000000000000000\nR10: 0000000000000302 R11: ffffffff961cc1d0 R12: ffffffff8afd4b0a\nR13: 0000000000000006 R14: ffff88804b938130 R15: 0000000000000140\nFS: 000055558a3d6500(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f1295974ff8 CR3: 000000002ab6e000 CR4: 0000000000352ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <IRQ>\n skb_over_panic net/core/skbuff.c:211 [inline]\n skb_put+0x174/0x1b0 net/core/skbuff.c:2617\n send_hsr_supervision_frame+0x6fa/0x9e0 net/hsr/hsr_device.c:342\n hsr_proxy_announce+0x1a3/0x4a0 net/hsr/hsr_device.c:436\n call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1794\n expire_timers kernel/time/timer.c:1845 [inline]\n __run_timers+0x6e8/0x930 kernel/time/timer.c:2419\n __run_timer_base kernel/time/timer.c:2430 [inline]\n __run_timer_base kernel/time/timer.c:2423 [inline]\n run_timer_base+0x111/0x190 kernel/time/timer.c:2439\n run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2449\n handle_softirqs+0x213/0x8f0 kernel/softirq.c:554\n __do_softirq kernel/softirq.c:588 [inline]\n invoke_softirq kernel/softirq.c:428 [inline]\n __irq_exit_rcu kernel/softirq.c:637 [inline]\n irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649\n instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]\n sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049\n </IRQ>"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: hsr: debe asignar m\u00e1s bytes para la compatibilidad con RedBox el commit culpada olvid\u00f3 cambiar hsr_init_skb() para asignar skb m\u00e1s grande para el caso de RedBox. De hecho, send_hsr_supervision_frame() agregar\u00e1 dos componentes adicionales (struct hsr_sup_tlv y struct hsr_sup_payload) syzbot inform\u00f3 el siguiente fallo: skbuff: skb_over_panic: text:ffffffff8afd4b0a len:34 put:6 head:ffff88802ad29e00 data:ffff88802ad29f22 tail:0x144 end:0x140 dev:gretap0 ------------[ corte aqu\u00ed ]------------ \u00a1ERROR del kernel en net/core/skbuff.c:206! Oops: c\u00f3digo de operaci\u00f3n no v\u00e1lido: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 2 UID: 0 PID: 7611 Comm: syz-executor No contaminado 6.12.0-syzkaller #0 Nombre del hardware: PC est\u00e1ndar QEMU (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 01/04/2014 RIP: 0010:skb_panic+0x157/0x1d0 net/core/skbuff.c:206 C\u00f3digo: b6 04 01 84 c0 74 04 3c 03 7e 21 8b 4b 70 41 56 45 89 e8 48 c7 c7 a0 7d 9b 8c 41 57 56 48 89 ee 52 4c 89 e2 e8 9a 76 79 f8 90 &lt;0f&gt; 0b 4c 89 4c 24 10 48 89 54 24 08 48 89 34 24 e8 94 76 fb f8 4c RSP: 0018:ffffc90000858ab8 EFLAGS: 00010282 RAX: 0000000000000087 RBX: ffff8880598c08c0 RCX: ffffffff816d3e69 RDX: 0000000000000000 RSI: ffffffff816de786 RDI: 0000000000000005 RBP: ffffffff8c9b91c0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000302 R11: ffffffff961cc1d0 R12: ffffffff8afd4b0a R13: 000000000000006 R14: ffff88804b938130 R15: 0000000000000140 FS: 000055558a3d6500(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1295974ff8 CR3: 000000002ab6e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Rastreo de llamadas: skb_over_panic net/core/skbuff.c:211 [en l\u00ednea] skb_put+0x174/0x1b0 net/core/skbuff.c:2617 send_hsr_supervision_frame+0x6fa/0x9e0 net/hsr/hsr_device.c:342 hsr_proxy_announce+0x1a3/0x4a0 net/hsr/hsr_device.c:436 call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1794 expire_timers kernel/time/timer.c:1845 [en l\u00ednea] __run_timers+0x6e8/0x930 kernel/time/timer.c:2419 __run_timer_base kernel/time/timer.c:2430 [en l\u00ednea] __run_timer_base kernel/time/timer.c:2423 [en l\u00ednea] run_timer_base+0x111/0x190 kernel/time/timer.c:2439 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2449 handle_softirqs+0x213/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [en l\u00ednea] anybody_softirq kernel/softirq.c:428 [en l\u00ednea] __irq_exit_rcu kernel/softirq.c:637 [en l\u00ednea] anyone_exit_rcu+0xbb/0x120 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [en l\u00ednea] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049 "}], "id": "CVE-2024-56639", "lastModified": "2025-10-07T20:13:09.770", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-12-27T15:15:23.633", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/688842f47ee9fb392d1c3a1ced1d21d505b14968"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/af8edaeddbc52e53207d859c912b017fd9a77629"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: hsr: must allocate more bytes for RedBox support", "id": "2334533", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334533"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: hsr: must allocate more bytes for RedBox support\nBlamed commit forgot to change hsr_init_skb() to allocate\nlarger skb for RedBox case.\nIndeed, send_hsr_supervision_frame() will add\ntwo additional components (struct hsr_sup_tlv\nand struct hsr_sup_payload)\nsyzbot reported the following crash:\nskbuff: skb_over_panic: text:ffffffff8afd4b0a len:34 put:6 head:ffff88802ad29e00 data:ffff88802ad29f22 tail:0x144 end:0x140 dev:gretap0\n------------[ cut here ]------------\nkernel BUG at net/core/skbuff.c:206 !\nOops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI\nCPU: 2 UID: 0 PID: 7611 Comm: syz-executor Not tainted 6.12.0-syzkaller #0\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\nRIP: 0010:skb_panic+0x157/0x1d0 net/core/skbuff.c:206\nCode: b6 04 01 84 c0 74 04 3c 03 7e 21 8b 4b 70 41 56 45 89 e8 48 c7 c7 a0 7d 9b 8c 41 57 56 48 89 ee 52 4c 89 e2 e8 9a 76 79 f8 90 <0f> 0b 4c 89 4c 24 10 48 89 54 24 08 48 89 34 24 e8 94 76 fb f8 4c\nRSP: 0018:ffffc90000858ab8 EFLAGS: 00010282\nRAX: 0000000000000087 RBX: ffff8880598c08c0 RCX: ffffffff816d3e69\nRDX: 0000000000000000 RSI: ffffffff816de786 RDI: 0000000000000005\nRBP: ffffffff8c9b91c0 R08: 0000000000000005 R09: 0000000000000000\nR10: 0000000000000302 R11: ffffffff961cc1d0 R12: ffffffff8afd4b0a\nR13: 0000000000000006 R14: ffff88804b938130 R15: 0000000000000140\nFS: 000055558a3d6500(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f1295974ff8 CR3: 000000002ab6e000 CR4: 0000000000352ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n<IRQ>\nskb_over_panic net/core/skbuff.c:211 [inline]\nskb_put+0x174/0x1b0 net/core/skbuff.c:2617\nsend_hsr_supervision_frame+0x6fa/0x9e0 net/hsr/hsr_device.c:342\nhsr_proxy_announce+0x1a3/0x4a0 net/hsr/hsr_device.c:436\ncall_timer_fn+0x1a0/0x610 kernel/time/timer.c:1794\nexpire_timers kernel/time/timer.c:1845 [inline]\n__run_timers+0x6e8/0x930 kernel/time/timer.c:2419\n__run_timer_base kernel/time/timer.c:2430 [inline]\n__run_timer_base kernel/time/timer.c:2423 [inline]\nrun_timer_base+0x111/0x190 kernel/time/timer.c:2439\nrun_timer_softirq+0x1a/0x40 kernel/time/timer.c:2449\nhandle_softirqs+0x213/0x8f0 kernel/softirq.c:554\n__do_softirq kernel/softirq.c:588 [inline]\ninvoke_softirq kernel/softirq.c:428 [inline]\n__irq_exit_rcu kernel/softirq.c:637 [inline]\nirq_exit_rcu+0xbb/0x120 kernel/softirq.c:649\ninstr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]\nsysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049\n</IRQ>"], "name": "CVE-2024-56639", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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": "2024-12-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-56639\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-56639\nhttps://lore.kernel.org/linux-cve-announce/2024122736-CVE-2024-56639-809a@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-07-13T11:22:43.268514+00:00", "updated": "2025-07-13T11:22:43.268565+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}