{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-06T15:55:59.269","vulnerabilities":[{"cve":{"id":"CVE-2024-56648","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-12-27T15:15:24.570","lastModified":"2025-11-03T21:18:14.313","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"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"},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: hsr: evitar un posible acceso fuera de los límites en fill_frame_info() syzbot puede enviar un paquete con 14 bytes, simulando que es uno de VLAN. Dado que fill_frame_info() ya depende de skb->mac_len, amplíe la comprobación para cubrir este caso. ERROR: KMSAN: valor no inicializado en fill_frame_info net/hsr/hsr_forward.c:709 [en línea] ERROR: KMSAN: valor no inicializado en hsr_forward_skb+0x9ee/0x3b10 net/hsr/hsr_forward.c:724 fill_frame_info net/hsr/hsr_forward.c:709 [en línea] hsr_forward_skb+0x9ee/0x3b10 net/hsr/hsr_forward.c:724 hsr_dev_xmit+0x2f0/0x350 net/hsr/hsr_device.c:235 __netdev_start_xmit include/linux/netdevice.h:5002 [en línea] netdev_start_xmit incluir/linux/netdevice.h:5011 [en línea] xmit_one net/core/dev.c:3590 [en línea] dev_hard_start_xmit+0x247/0xa20 net/core/dev.c:3606 __dev_queue_xmit+0x366a/0x57d0 net/core/dev.c:4434 dev_queue_xmit incluir/linux/netdevice.h:3168 [en línea] paquete_xmit+0x9c/0x6c0 net/paquete/af_packet.c:276 paquete_snd net/paquete/af_packet.c:3146 [en línea] paquete_sendmsg+0x91ae/0xa6f0 net/paquete/af_packet.c:3178 sock_sendmsg_nosec net/socket.c:711 [en línea] __sock_sendmsg+0x30f/0x380 red/socket.c:726 __sys_sendto+0x594/0x750 red/socket.c:2197 __do_sys_sendto red/socket.c:2204 [en línea] __se_sys_sendto red/socket.c:2200 [en línea] __x64_sys_sendto+0x125/0x1d0 red/socket.c:2200 x64_sys_call+0x346a/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:52 [en línea] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit se creó en: slab_post_alloc_hook mm/slub.c:4091 [en línea] slab_alloc_node mm/slub.c:4134 [en línea] kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4186 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678 alloc_skb include/linux/skbuff.h:1323 [en línea] alloc_skb_with_frags+0xc8/0xd00 red/core/skbuff.c:6612 sock_alloc_send_pskb+0xa81/0xbf0 red/core/sock.c:2881 paquete_alloc_skb red/paquete/af_packet.c:2995 [en línea] paquete_snd red/paquete/af_packet.c:3089 [en línea] paquete_sendmsg+0x74c6/0xa6f0 red/paquete/af_packet.c:3178 sock_sendmsg_nosec red/socket.c:711 [en línea] __sock_sendmsg+0x30f/0x380 red/socket.c:726 __sys_sendto+0x594/0x750 red/socket.c:2197 __do_sys_sendto net/socket.c:2204 [en línea] __se_sys_sendto net/socket.c:2200 [en línea] __x64_sys_sendto+0x125/0x1d0 net/socket.c:2200 x64_sys_call+0x346a/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:52 [en línea] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-908"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-908"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.42","versionEndExcluding":"5.10.231","matchCriteriaId":"32FE750E-00FB-408A-AC6E-3F97E53496E0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12.9","versionEndExcluding":"5.15.174","matchCriteriaId":"663DD652-891C-443C-AF18-41B389D5773A"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.120","matchCriteriaId":"09AC6122-E2A4-40FE-9D33-268A1B2EC265"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.66","matchCriteriaId":"29A976AD-B9AB-4A95-9F08-7669F8847EB9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.5","matchCriteriaId":"9501D045-7A94-42CA-8B03-821BE94A65B7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*","matchCriteriaId":"62567B3C-6CEE-46D0-BC2E-B3717FBF7D13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3c215663b3e27a3b08cefcaea623ff54c70c8035","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/6bb5c8ebc99f0671dbd3c9408ebaf935c3951186","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/7ea527fbd7b94d0bee64a0a7e98279bcc654b322","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/aa632691c722a123e47ccd05a3afdd5f87a36061","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b9653d19e556c6afd035602927a93d100a0d7644","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/c6e778901d0055356c4fb223058364cae731494a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}