{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2024-56639", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-56639", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-12-27T15:02:41.549Z", "updatedAt": "2026-09-14T11:57:49.327Z", "importedAt": "2026-10-24T01:57:20.494Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "net: hsr: must allocate more bytes for RedBox support", "summary": "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 \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 ", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "cb3a332662b7fbe9f20849473c1b2c59e7d5d617", "status": "affected", "versionType": "git", "lessThan": "e6773b7da5ecb11ef8e95b50145fd963e326e0f1" }, { "version": "d90e4f72e8d464577dac67a18e69eb4a26abd63b", "status": "affected", "versionType": "git", "lessThan": "a77a45fbadd9c053e8cf3a9ce2e23bcd23819ea6" }, { "version": "5055cccfc2d1cc1a7306f6bcdcd0ee9521d707f5", "status": "affected", "versionType": "git", "lessThan": "688842f47ee9fb392d1c3a1ced1d21d505b14968" }, { "version": "5055cccfc2d1cc1a7306f6bcdcd0ee9521d707f5", "status": "affected", "versionType": "git", "lessThan": "af8edaeddbc52e53207d859c912b017fd9a77629" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "6.10", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "6.10" }, { "version": "6.12.5", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.13", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }