{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-49017","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-08-22T01:27:53.646Z","datePublished":"2024-10-21T20:06:25.971Z","dateUpdated":"2025-05-04T08:28:09.328Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:28:09.328Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: re-fetch skb cb after tipc_msg_validate\n\nAs the call trace shows, the original skb was freed in tipc_msg_validate(),\nand dereferencing the old skb cb would cause an use-after-free crash.\n\n  BUG: KASAN: use-after-free in tipc_crypto_rcv_complete+0x1835/0x2240 [tipc]\n  Call Trace:\n   <IRQ>\n   tipc_crypto_rcv_complete+0x1835/0x2240 [tipc]\n   tipc_crypto_rcv+0xd32/0x1ec0 [tipc]\n   tipc_rcv+0x744/0x1150 [tipc]\n  ...\n  Allocated by task 47078:\n   kmem_cache_alloc_node+0x158/0x4d0\n   __alloc_skb+0x1c1/0x270\n   tipc_buf_acquire+0x1e/0xe0 [tipc]\n   tipc_msg_create+0x33/0x1c0 [tipc]\n   tipc_link_build_proto_msg+0x38a/0x2100 [tipc]\n   tipc_link_timeout+0x8b8/0xef0 [tipc]\n   tipc_node_timeout+0x2a1/0x960 [tipc]\n   call_timer_fn+0x2d/0x1c0\n  ...\n  Freed by task 47078:\n   tipc_msg_validate+0x7b/0x440 [tipc]\n   tipc_crypto_rcv_complete+0x4b5/0x2240 [tipc]\n   tipc_crypto_rcv+0xd32/0x1ec0 [tipc]\n   tipc_rcv+0x744/0x1150 [tipc]\n\nThis patch fixes it by re-fetching the skb cb from the new allocated skb\nafter calling tipc_msg_validate()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/tipc/crypto.c"],"versions":[{"version":"fc1b6d6de2208774efd2a20bf0daddb02d18b1e0","lessThan":"a1ba595e35aa3afbe417ff0af353afb9f65559c0","status":"affected","versionType":"git"},{"version":"fc1b6d6de2208774efd2a20bf0daddb02d18b1e0","lessThan":"1daec0815655e110c6f206c5e777a4af8168ff58","status":"affected","versionType":"git"},{"version":"fc1b6d6de2208774efd2a20bf0daddb02d18b1e0","lessThan":"e128190adb2edfd5042105b5d1ed4553f295f5ef","status":"affected","versionType":"git"},{"version":"fc1b6d6de2208774efd2a20bf0daddb02d18b1e0","lessThan":"3067bc61fcfe3081bf4807ce65560f499e895e77","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/tipc/crypto.c"],"versions":[{"version":"5.5","status":"affected"},{"version":"0","lessThan":"5.5","status":"unaffected","versionType":"semver"},{"version":"5.10.158","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.82","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.12","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1","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":"5.5","versionEndExcluding":"5.10.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.15.82"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.0.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/a1ba595e35aa3afbe417ff0af353afb9f65559c0"},{"url":"https://git.kernel.org/stable/c/1daec0815655e110c6f206c5e777a4af8168ff58"},{"url":"https://git.kernel.org/stable/c/e128190adb2edfd5042105b5d1ed4553f295f5ef"},{"url":"https://git.kernel.org/stable/c/3067bc61fcfe3081bf4807ce65560f499e895e77"}],"title":"tipc: re-fetch skb cb after tipc_msg_validate","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-49017","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-22T13:13:05.882492Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-10-22T13:18:37.715Z"}}]}}