{ "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-2024-56648", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-56648", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-12-27T15:02:48.687Z", "updatedAt": "2026-05-23T15:55:44.998Z", "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: avoid potential out-of-bound access in fill_frame_info()", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hsr: avoid potential out-of-bound access in fill_frame_info()\n\nsyzbot is able to feed a packet with 14 bytes, pretending\nit is a vlan one.\n\nSince fill_frame_info() is relying on skb->mac_len already,\nextend the check to cover this case.\n\nBUG: KMSAN: uninit-value in fill_frame_info net/hsr/hsr_forward.c:709 [inline]\n BUG: KMSAN: uninit-value in hsr_forward_skb+0x9ee/0x3b10 net/hsr/hsr_forward.c:724\n fill_frame_info net/hsr/hsr_forward.c:709 [inline]\n hsr_forward_skb+0x9ee/0x3b10 net/hsr/hsr_forward.c:724\n hsr_dev_xmit+0x2f0/0x350 net/hsr/hsr_device.c:235\n __netdev_start_xmit include/linux/netdevice.h:5002 [inline]\n netdev_start_xmit include/linux/netdevice.h:5011 [inline]\n xmit_one net/core/dev.c:3590 [inline]\n dev_hard_start_xmit+0x247/0xa20 net/core/dev.c:3606\n __dev_queue_xmit+0x366a/0x57d0 net/core/dev.c:4434\n dev_queue_xmit include/linux/netdevice.h:3168 [inline]\n packet_xmit+0x9c/0x6c0 net/packet/af_packet.c:276\n packet_snd net/packet/af_packet.c:3146 [inline]\n packet_sendmsg+0x91ae/0xa6f0 net/packet/af_packet.c:3178\n sock_sendmsg_nosec net/socket.c:711 [inline]\n __sock_sendmsg+0x30f/0x380 net/socket.c:726\n __sys_sendto+0x594/0x750 net/socket.c:2197\n __do_sys_sendto net/socket.c:2204 [inline]\n __se_sys_sendto net/socket.c:2200 [inline]\n __x64_sys_sendto+0x125/0x1d0 net/socket.c:2200\n x64_sys_call+0x346a/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:45\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nUninit was created at:\n slab_post_alloc_hook mm/slub.c:4091 [inline]\n slab_alloc_node mm/slub.c:4134 [inline]\n kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4186\n kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587\n __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678\n alloc_skb include/linux/skbuff.h:1323 [inline]\n alloc_skb_with_frags+0xc8/0xd00 net/core/skbuff.c:6612\n sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2881\n packet_alloc_skb net/packet/af_packet.c:2995 [inline]\n packet_snd net/packet/af_packet.c:3089 [inline]\n packet_sendmsg+0x74c6/0xa6f0 net/packet/af_packet.c:3178\n sock_sendmsg_nosec net/socket.c:711 [inline]\n __sock_sendmsg+0x30f/0x380 net/socket.c:726\n __sys_sendto+0x594/0x750 net/socket.c:2197\n __do_sys_sendto net/socket.c:2204 [inline]\n __se_sys_sendto net/socket.c:2200 [inline]\n __x64_sys_sendto+0x125/0x1d0 net/socket.c:2200\n x64_sys_call+0x346a/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:45\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "f6442ee08fe66c8e45c4f246531a2aaf4f17a7a7", "status": "affected", "versionType": "git", "lessThan": "aa632691c722a123e47ccd05a3afdd5f87a36061" }, { "version": "48b491a5cc74333c4a6a82fe21cea42c055a3b0b", "status": "affected", "versionType": "git", "lessThan": "c6e778901d0055356c4fb223058364cae731494a" }, { "version": "48b491a5cc74333c4a6a82fe21cea42c055a3b0b", "status": "affected", "versionType": "git", "lessThan": "6bb5c8ebc99f0671dbd3c9408ebaf935c3951186" }, { "version": "48b491a5cc74333c4a6a82fe21cea42c055a3b0b", "status": "affected", "versionType": "git", "lessThan": "3c215663b3e27a3b08cefcaea623ff54c70c8035" }, { "version": "48b491a5cc74333c4a6a82fe21cea42c055a3b0b", "status": "affected", "versionType": "git", "lessThan": "7ea527fbd7b94d0bee64a0a7e98279bcc654b322" }, { "version": "48b491a5cc74333c4a6a82fe21cea42c055a3b0b", "status": "affected", "versionType": "git", "lessThan": "b9653d19e556c6afd035602927a93d100a0d7644" }, { "version": "4ffd1d4a6b306ff69cbe412d2c54d2dd349ff436", "status": "affected", "versionType": "git" }, { "version": "5.10.42", "status": "affected", "versionType": "semver", "lessThan": "5.10.231" }, { "version": "5.12.9", "status": "affected", "versionType": "semver", "lessThan": "5.13" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.13", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.13" }, { "version": "5.10.231", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.174", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.120", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.66", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.5", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.13", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }