{ "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-2024-56659", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-56659", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-12-27T15:06:22.298Z", "updatedAt": "2026-05-11T20:56:46.030Z", "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: lapb: increase LAPB_HEADER_LEN", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lapb: increase LAPB_HEADER_LEN\n\nIt is unclear if net/lapb code is supposed to be ready for 8021q.\n\nWe can at least avoid crashes like the following :\n\nskbuff: skb_under_panic: text:ffffffff8aabe1f6 len:24 put:20 head:ffff88802824a400 data:ffff88802824a3fe tail:0x16 end:0x140 dev:nr0.2\n------------[ cut here ]------------\n kernel BUG at net/core/skbuff.c:206 !\nOops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI\nCPU: 1 UID: 0 PID: 5508 Comm: dhcpcd Not tainted 6.12.0-rc7-syzkaller-00144-g66418447d27b #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024\n RIP: 0010:skb_panic net/core/skbuff.c:206 [inline]\n RIP: 0010:skb_under_panic+0x14b/0x150 net/core/skbuff.c:216\nCode: 0d 8d 48 c7 c6 2e 9e 29 8e 48 8b 54 24 08 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 41 54 41 57 41 56 e8 1a 6f 37 02 48 83 c4 20 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3\nRSP: 0018:ffffc90002ddf638 EFLAGS: 00010282\nRAX: 0000000000000086 RBX: dffffc0000000000 RCX: 7a24750e538ff600\nRDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000\nRBP: ffff888034a86650 R08: ffffffff8174b13c R09: 1ffff920005bbe60\nR10: dffffc0000000000 R11: fffff520005bbe61 R12: 0000000000000140\nR13: ffff88802824a400 R14: ffff88802824a3fe R15: 0000000000000016\nFS: 00007f2a5990d740(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000000110c2631fd CR3: 0000000029504000 CR4: 00000000003526f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \n skb_push+0xe5/0x100 net/core/skbuff.c:2636\n nr_header+0x36/0x320 net/netrom/nr_dev.c:69\n dev_hard_header include/linux/netdevice.h:3148 [inline]\n vlan_dev_hard_header+0x359/0x480 net/8021q/vlan_dev.c:83\n dev_hard_header include/linux/netdevice.h:3148 [inline]\n lapbeth_data_transmit+0x1f6/0x2a0 drivers/net/wan/lapbether.c:257\n lapb_data_transmit+0x91/0xb0 net/lapb/lapb_iface.c:447\n lapb_transmit_buffer+0x168/0x1f0 net/lapb/lapb_out.c:149\n lapb_establish_data_link+0x84/0xd0\n lapb_device_event+0x4e0/0x670\n notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93\n __dev_notify_flags+0x207/0x400\n dev_change_flags+0xf0/0x1a0 net/core/dev.c:8922\n devinet_ioctl+0xa4e/0x1aa0 net/ipv4/devinet.c:1188\n inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1003\n sock_do_ioctl+0x158/0x460 net/socket.c:1227\n sock_ioctl+0x626/0x8e0 net/socket.c:1346\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:907 [inline]\n __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "3aa2ef7ffd0451e8f81c249d2a2a68283c6bc700" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "76d856f03d0290cf5392364ecdf74c15ee16b8fd" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "c21c7c1c00bcc60cf752ec491bdfd47693f4d3c7" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "f0949199651bc87c5ed2c12a7323f441f1af6fe9" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "03e661b5e7aa1124f24054df9ab2ee5cb2178973" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "2b351355bbd50ae25d096785b6eb31998d2bf765" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "a6d75ecee2bf828ac6a1b52724aba0a977e4eaf4" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "2.6.12", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "2.6.12" }, { "version": "5.4.288", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.232", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.175", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.121", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.67", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.6", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.13", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }