{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2024-35973","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-17T13:50:33.142Z","datePublished":"2024-05-20T09:42:00.475Z","dateUpdated":"2026-05-12T11:53:20.615Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T20:14:47.242Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ngeneve: fix header validation in geneve[6]_xmit_skb\n\nsyzbot is able to trigger an uninit-value in geneve_xmit() [1]\n\nProblem : While most ip tunnel helpers (like ip_tunnel_get_dsfield())\nuses skb_protocol(skb, true), pskb_inet_may_pull() is only using\nskb->protocol.\n\nIf anything else than ETH_P_IPV6 or ETH_P_IP is found in skb->protocol,\npskb_inet_may_pull() does nothing at all.\n\nIf a vlan tag was provided by the caller (af_packet in the syzbot case),\nthe network header might not point to the correct location, and skb\nlinear part could be smaller than expected.\n\nAdd skb_vlan_inet_prepare() to perform a complete mac validation.\n\nUse this in geneve for the moment, I suspect we need to adopt this\nmore broadly.\n\nv4 - Jakub reported v3 broke l2_tos_ttl_inherit.sh selftest\n   - Only call __vlan_get_protocol() for vlan types.\n\nv2,v3 - Addressed Sabrina comments on v1 and v2\n\n[1]\n\nBUG: KMSAN: uninit-value in geneve_xmit_skb drivers/net/geneve.c:910 [inline]\n BUG: KMSAN: uninit-value in geneve_xmit+0x302d/0x5420 drivers/net/geneve.c:1030\n  geneve_xmit_skb drivers/net/geneve.c:910 [inline]\n  geneve_xmit+0x302d/0x5420 drivers/net/geneve.c:1030\n  __netdev_start_xmit include/linux/netdevice.h:4903 [inline]\n  netdev_start_xmit include/linux/netdevice.h:4917 [inline]\n  xmit_one net/core/dev.c:3531 [inline]\n  dev_hard_start_xmit+0x247/0xa20 net/core/dev.c:3547\n  __dev_queue_xmit+0x348d/0x52c0 net/core/dev.c:4335\n  dev_queue_xmit include/linux/netdevice.h:3091 [inline]\n  packet_xmit+0x9c/0x6c0 net/packet/af_packet.c:276\n  packet_snd net/packet/af_packet.c:3081 [inline]\n  packet_sendmsg+0x8bb0/0x9ef0 net/packet/af_packet.c:3113\n  sock_sendmsg_nosec net/socket.c:730 [inline]\n  __sock_sendmsg+0x30f/0x380 net/socket.c:745\n  __sys_sendto+0x685/0x830 net/socket.c:2191\n  __do_sys_sendto net/socket.c:2203 [inline]\n  __se_sys_sendto net/socket.c:2199 [inline]\n  __x64_sys_sendto+0x125/0x1d0 net/socket.c:2199\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nUninit was created at:\n  slab_post_alloc_hook mm/slub.c:3804 [inline]\n  slab_alloc_node mm/slub.c:3845 [inline]\n  kmem_cache_alloc_node+0x613/0xc50 mm/slub.c:3888\n  kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:577\n  __alloc_skb+0x35b/0x7a0 net/core/skbuff.c:668\n  alloc_skb include/linux/skbuff.h:1318 [inline]\n  alloc_skb_with_frags+0xc8/0xbf0 net/core/skbuff.c:6504\n  sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2795\n  packet_alloc_skb net/packet/af_packet.c:2930 [inline]\n  packet_snd net/packet/af_packet.c:3024 [inline]\n  packet_sendmsg+0x722d/0x9ef0 net/packet/af_packet.c:3113\n  sock_sendmsg_nosec net/socket.c:730 [inline]\n  __sock_sendmsg+0x30f/0x380 net/socket.c:745\n  __sys_sendto+0x685/0x830 net/socket.c:2191\n  __do_sys_sendto net/socket.c:2203 [inline]\n  __se_sys_sendto net/socket.c:2199 [inline]\n  __x64_sys_sendto+0x125/0x1d0 net/socket.c:2199\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nCPU: 0 PID: 5033 Comm: syz-executor346 Not tainted 6.9.0-rc1-syzkaller-00005-g928a87efa423 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/geneve.c","include/net/ip_tunnels.h"],"versions":[{"version":"35385daa8db320d2d9664930c28e732578b0d7de","lessThan":"43be590456e1f3566054ce78ae2dbb68cbe1a536","status":"affected","versionType":"git"},{"version":"6f92124d74419797fadfbcd5b7a72c384a6413ad","lessThan":"d3adf11d7993518a39bd02b383cfe657ccc0023c","status":"affected","versionType":"git"},{"version":"71ad9260c001b217d704cda88ecea251b2d367da","lessThan":"10204df9beda4978bd1d0c2db0d8375bfb03b915","status":"affected","versionType":"git"},{"version":"d13f048dd40e8577260cd43faea8ec9b77520197","lessThan":"3c1ae6de74e3d2d6333d29a2d3e13e6094596c79","status":"affected","versionType":"git"},{"version":"d13f048dd40e8577260cd43faea8ec9b77520197","lessThan":"4a1b65d1e55d53b397cb27014208be1e04172670","status":"affected","versionType":"git"},{"version":"d13f048dd40e8577260cd43faea8ec9b77520197","lessThan":"190d9efa5773f26d6f334b1b8be282c4fa13fd5e","status":"affected","versionType":"git"},{"version":"d13f048dd40e8577260cd43faea8ec9b77520197","lessThan":"357163fff3a6e48fe74745425a32071ec9caf852","status":"affected","versionType":"git"},{"version":"d13f048dd40e8577260cd43faea8ec9b77520197","lessThan":"d8a6213d70accb403b82924a1c229e733433a5ef","status":"affected","versionType":"git"},{"version":"9a51e36ebf433adf59c051bec33f5aa54640bb4d","status":"affected","versionType":"git"},{"version":"21815f28af8081b258552c111774ff320cf38d38","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/geneve.c","include/net/ip_tunnels.h"],"versions":[{"version":"5.13","status":"affected"},{"version":"0","lessThan":"5.13","status":"unaffected","versionType":"semver"},{"version":"4.19.313","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.275","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.216","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.156","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.87","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.28","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.8.7","lessThanOrEqual":"6.8.*","status":"unaffected","versionType":"semver"},{"version":"6.9","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.191","versionEndExcluding":"4.19.313"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.119","versionEndExcluding":"5.4.275"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.37","versionEndExcluding":"5.10.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.15.156"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.1.87"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.6.28"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.8.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11.21"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12.4"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/43be590456e1f3566054ce78ae2dbb68cbe1a536"},{"url":"https://git.kernel.org/stable/c/d3adf11d7993518a39bd02b383cfe657ccc0023c"},{"url":"https://git.kernel.org/stable/c/10204df9beda4978bd1d0c2db0d8375bfb03b915"},{"url":"https://git.kernel.org/stable/c/3c1ae6de74e3d2d6333d29a2d3e13e6094596c79"},{"url":"https://git.kernel.org/stable/c/4a1b65d1e55d53b397cb27014208be1e04172670"},{"url":"https://git.kernel.org/stable/c/190d9efa5773f26d6f334b1b8be282c4fa13fd5e"},{"url":"https://git.kernel.org/stable/c/357163fff3a6e48fe74745425a32071ec9caf852"},{"url":"https://git.kernel.org/stable/c/d8a6213d70accb403b82924a1c229e733433a5ef"}],"title":"geneve: 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Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-10-29T19:56:09.359Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T03:21:49.047Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/43be590456e1f3566054ce78ae2dbb68cbe1a536","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/d3adf11d7993518a39bd02b383cfe657ccc0023c","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/10204df9beda4978bd1d0c2db0d8375bfb03b915","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/3c1ae6de74e3d2d6333d29a2d3e13e6094596c79","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/4a1b65d1e55d53b397cb27014208be1e04172670","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/190d9efa5773f26d6f334b1b8be282c4fa13fd5e","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/357163fff3a6e48fe74745425a32071ec9caf852","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/d8a6213d70accb403b82924a1c229e733433a5ef","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html","tags":["x_transferred"]}]},{"x_adpType":"supplier","providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-05-12T11:53:20.615Z"},"affected":[{"vendor":"Siemens","product":"RUGGEDCOM RST2428P","versions":[{"status":"affected","version":"0","lessThan":"V3.1","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family","versions":[{"status":"unaffected","version":"0","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SCALANCE XCM-/XRM-/XCH-/XRH-300 family","versions":[{"status":"affected","version":"0","lessThan":"V3.1","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","versions":[{"status":"affected","version":"0","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-613116.html"}]}]},"dataVersion":"5.2"}