{"id":"CVE-2022-49008","state":"PUBLISHED","title":"can: can327: can327_feed_frame_to_netdev(): fix potential skb leak when netdev is down","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: can327: can327_feed_frame_to_netdev(): fix potential skb leak when netdev is down\n\nIn can327_feed_frame_to_netdev(), it did not free the skb when netdev\nis down, and all callers of can327_feed_frame_to_netdev() did not free\nallocated skb too. That would trigger skb leak.\n\nFix it by adding kfree_skb() in can327_feed_frame_to_netdev() when netdev\nis down. Not tested, just compiled.","publishedAt":"2024-10-21T20:06:20.158Z","updatedAt":"2026-05-11T18:51:25.352Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"43da2f07622f41376c7ddab8f73dc2b1d3ab9715","status":"affected","lessThan":"797b1d9fc0e1f4351e4ad49b078c1a3cdc0d4a08","versionType":"git"},{"version":"43da2f07622f41376c7ddab8f73dc2b1d3ab9715","status":"affected","lessThan":"8fa452cfafed521aaf5a18c71003fe24b1ee6141","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/can/can327.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.0.12","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/can/can327.c"]}],"references":["https://git.kernel.org/stable/c/797b1d9fc0e1f4351e4ad49b078c1a3cdc0d4a08","https://git.kernel.org/stable/c/8fa452cfafed521aaf5a18c71003fe24b1ee6141"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49008.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49008","state":"PUBLISHED","datePublished":"2024-10-21T20:06:20.158Z","dateUpdated":"2026-05-11T18:51:25.352Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-22T01:27:53.643Z"},"containers":{"cna":{"title":"can: can327: can327_feed_frame_to_netdev(): fix potential skb leak when netdev is down","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: can327: can327_feed_frame_to_netdev(): fix potential skb leak when netdev is down\n\nIn can327_feed_frame_to_netdev(), it did not free the skb when netdev\nis down, and all callers of can327_feed_frame_to_netdev() did not free\nallocated skb too. That would trigger skb leak.\n\nFix it by adding kfree_skb() in can327_feed_frame_to_netdev() when netdev\nis down. Not tested, just compiled."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"43da2f07622f41376c7ddab8f73dc2b1d3ab9715","status":"affected","lessThan":"797b1d9fc0e1f4351e4ad49b078c1a3cdc0d4a08","versionType":"git"},{"version":"43da2f07622f41376c7ddab8f73dc2b1d3ab9715","status":"affected","lessThan":"8fa452cfafed521aaf5a18c71003fe24b1ee6141","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/can/can327.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.0.12","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/can/can327.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/797b1d9fc0e1f4351e4ad49b078c1a3cdc0d4a08"},{"url":"https://git.kernel.org/stable/c/8fa452cfafed521aaf5a18c71003fe24b1ee6141"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:51:25.352Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.0.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-49008","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-22T13:14:13.879522Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-22T13:18:39.394Z"}}]}}}