{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-06T10:16:15.352","vulnerabilities":[{"cve":{"id":"CVE-2025-21716","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-02-27T02:15:15.273","lastModified":"2025-11-03T20:17:11.523","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvxlan: Fix uninit-value in vxlan_vnifilter_dump()\n\nKMSAN reported an uninit-value access in vxlan_vnifilter_dump() [1].\n\nIf the length of the netlink message payload is less than\nsizeof(struct tunnel_msg), vxlan_vnifilter_dump() accesses bytes\nbeyond the message. This can lead to uninit-value access. Fix this by\nreturning an error in such situations.\n\n[1]\nBUG: KMSAN: uninit-value in vxlan_vnifilter_dump+0x328/0x920 drivers/net/vxlan/vxlan_vnifilter.c:422\n vxlan_vnifilter_dump+0x328/0x920 drivers/net/vxlan/vxlan_vnifilter.c:422\n rtnl_dumpit+0xd5/0x2f0 net/core/rtnetlink.c:6786\n netlink_dump+0x93e/0x15f0 net/netlink/af_netlink.c:2317\n __netlink_dump_start+0x716/0xd60 net/netlink/af_netlink.c:2432\n netlink_dump_start include/linux/netlink.h:340 [inline]\n rtnetlink_dump_start net/core/rtnetlink.c:6815 [inline]\n rtnetlink_rcv_msg+0x1256/0x14a0 net/core/rtnetlink.c:6882\n netlink_rcv_skb+0x467/0x660 net/netlink/af_netlink.c:2542\n rtnetlink_rcv+0x35/0x40 net/core/rtnetlink.c:6944\n netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]\n netlink_unicast+0xed6/0x1290 net/netlink/af_netlink.c:1347\n netlink_sendmsg+0x1092/0x1230 net/netlink/af_netlink.c:1891\n sock_sendmsg_nosec net/socket.c:711 [inline]\n __sock_sendmsg+0x330/0x3d0 net/socket.c:726\n ____sys_sendmsg+0x7f4/0xb50 net/socket.c:2583\n ___sys_sendmsg+0x271/0x3b0 net/socket.c:2637\n __sys_sendmsg net/socket.c:2669 [inline]\n __do_sys_sendmsg net/socket.c:2674 [inline]\n __se_sys_sendmsg net/socket.c:2672 [inline]\n __x64_sys_sendmsg+0x211/0x3e0 net/socket.c:2672\n x64_sys_call+0x3878/0x3d90 arch/x86/include/generated/asm/syscalls_64.h:47\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xd9/0x1d0 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:4110 [inline]\n slab_alloc_node mm/slub.c:4153 [inline]\n kmem_cache_alloc_node_noprof+0x800/0xe80 mm/slub.c:4205\n kmalloc_reserve+0x13b/0x4b0 net/core/skbuff.c:587\n __alloc_skb+0x347/0x7d0 net/core/skbuff.c:678\n alloc_skb include/linux/skbuff.h:1323 [inline]\n netlink_alloc_large_skb+0xa5/0x280 net/netlink/af_netlink.c:1196\n netlink_sendmsg+0xac9/0x1230 net/netlink/af_netlink.c:1866\n sock_sendmsg_nosec net/socket.c:711 [inline]\n __sock_sendmsg+0x330/0x3d0 net/socket.c:726\n ____sys_sendmsg+0x7f4/0xb50 net/socket.c:2583\n ___sys_sendmsg+0x271/0x3b0 net/socket.c:2637\n __sys_sendmsg net/socket.c:2669 [inline]\n __do_sys_sendmsg net/socket.c:2674 [inline]\n __se_sys_sendmsg net/socket.c:2672 [inline]\n __x64_sys_sendmsg+0x211/0x3e0 net/socket.c:2672\n x64_sys_call+0x3878/0x3d90 arch/x86/include/generated/asm/syscalls_64.h:47\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xd9/0x1d0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nCPU: 0 UID: 0 PID: 30991 Comm: syz.4.10630 Not tainted 6.12.0-10694-gc44daa7e3c73 #29\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-3.fc41 04/01/2014"},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: vxlan: Corregir valor no inicializado en vxlan_vnifilter_dump() KMSAN informó un acceso a valor no inicializado en vxlan_vnifilter_dump() [1]. Si la longitud del payload del mensaje netlink es menor que sizeof(struct tunnel_msg), vxlan_vnifilter_dump() accede a bytes más allá del mensaje. Esto puede provocar un acceso a valor no inicializado. Corrija esto devolviendo un error en tales situaciones. [1] ERROR: KMSAN: uninit-value in vxlan_vnifilter_dump+0x328/0x920 drivers/net/vxlan/vxlan_vnifilter.c:422 vxlan_vnifilter_dump+0x328/0x920 drivers/net/vxlan/vxlan_vnifilter.c:422 rtnl_dumpit+0xd5/0x2f0 net/core/rtnetlink.c:6786 netlink_dump+0x93e/0x15f0 net/netlink/af_netlink.c:2317 __netlink_dump_start+0x716/0xd60 net/netlink/af_netlink.c:2432 netlink_dump_start include/linux/netlink.h:340 [inline] rtnetlink_dump_start net/core/rtnetlink.c:6815 [inline] rtnetlink_rcv_msg+0x1256/0x14a0 net/core/rtnetlink.c:6882 netlink_rcv_skb+0x467/0x660 net/netlink/af_netlink.c:2542 rtnetlink_rcv+0x35/0x40 net/core/rtnetlink.c:6944 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0xed6/0x1290 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x1092/0x1230 net/netlink/af_netlink.c:1891 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x330/0x3d0 net/socket.c:726 ____sys_sendmsg+0x7f4/0xb50 net/socket.c:2583 ___sys_sendmsg+0x271/0x3b0 net/socket.c:2637 __sys_sendmsg net/socket.c:2669 [inline] __do_sys_sendmsg net/socket.c:2674 [inline] __se_sys_sendmsg net/socket.c:2672 [inline] __x64_sys_sendmsg+0x211/0x3e0 net/socket.c:2672 x64_sys_call+0x3878/0x3d90 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd9/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:4110 [inline] slab_alloc_node mm/slub.c:4153 [inline] kmem_cache_alloc_node_noprof+0x800/0xe80 mm/slub.c:4205 kmalloc_reserve+0x13b/0x4b0 net/core/skbuff.c:587 __alloc_skb+0x347/0x7d0 net/core/skbuff.c:678 alloc_skb include/linux/skbuff.h:1323 [inline] netlink_alloc_large_skb+0xa5/0x280 net/netlink/af_netlink.c:1196 netlink_sendmsg+0xac9/0x1230 net/netlink/af_netlink.c:1866 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x330/0x3d0 net/socket.c:726 ____sys_sendmsg+0x7f4/0xb50 net/socket.c:2583 ___sys_sendmsg+0x271/0x3b0 net/socket.c:2637 __sys_sendmsg net/socket.c:2669 [inline] __do_sys_sendmsg net/socket.c:2674 [inline] __se_sys_sendmsg net/socket.c:2672 [inline] __x64_sys_sendmsg+0x211/0x3e0 net/socket.c:2672 x64_sys_call+0x3878/0x3d90 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd9/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 0 UID: 0 PID: 30991 Comm: syz.4.10630 Not tainted 6.12.0-10694-gc44daa7e3c73 #29 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-3.fc41 04/01/2014 "}],"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":"5.18","versionEndExcluding":"6.1.129","matchCriteriaId":"F97600FD-25BD-4A8A-A64D-C51ED328C14E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.76","matchCriteriaId":"A6D70701-9CB6-4222-A957-00A419878993"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.13","matchCriteriaId":"2897389C-A8C3-4D69-90F2-E701B3D66373"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.13.2","matchCriteriaId":"6D4116B1-1BFD-4F23-BA84-169CC05FC5A3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/1693d1fade71646a0731b6b213298cb443d186ea","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/5066293b9b7046a906eff60e3949a887ae185a43","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a84d511165d6ba7f331b90ae6b6ce180ec534daa","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/cb1de9309a48cc5b771115781eec05075fd67039","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f554bce488605d2f70e06eeab5e4d2448c813713","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}