{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-49085","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-26T01:49:39.248Z","datePublished":"2025-02-26T01:54:43.579Z","dateUpdated":"2025-05-04T08:29:24.372Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:29:24.372Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrbd: Fix five use after free bugs in get_initial_state\n\nIn get_initial_state, it calls notify_initial_state_done(skb,..) if\ncb->args[5]==1. If genlmsg_put() failed in notify_initial_state_done(),\nthe skb will be freed by nlmsg_free(skb).\nThen get_initial_state will goto out and the freed skb will be used by\nreturn value skb->len, which is a uaf bug.\n\nWhat's worse, the same problem goes even further: skb can also be\nfreed in the notify_*_state_change -> notify_*_state calls below.\nThus 4 additional uaf bugs happened.\n\nMy patch lets the problem callee functions: notify_initial_state_done\nand notify_*_state_change return an error code if errors happen.\nSo that the error codes could be propagated and the uaf bugs can be avoid.\n\nv2 reports a compilation warning. This v3 fixed this warning and built\nsuccessfully in my local environment with no additional warnings.\nv2: https://lore.kernel.org/patchwork/patch/1435218/"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/block/drbd/drbd_int.h","drivers/block/drbd/drbd_nl.c","drivers/block/drbd/drbd_state.c","drivers/block/drbd/drbd_state_change.h"],"versions":[{"version":"a29728463b254ce81ecefdf20c1a02e01d9361da","lessThan":"0489700bfeb1e53eb2039c2291c67e71b0b40103","status":"affected","versionType":"git"},{"version":"a29728463b254ce81ecefdf20c1a02e01d9361da","lessThan":"dcf6be17b5c53b741898d2223b23e66d682de300","status":"affected","versionType":"git"},{"version":"a29728463b254ce81ecefdf20c1a02e01d9361da","lessThan":"188fe6b26765edbad4055611c0f788b6870f4024","status":"affected","versionType":"git"},{"version":"a29728463b254ce81ecefdf20c1a02e01d9361da","lessThan":"b6a4055036eed1f5e239ce3d8b0db1ce38bba447","status":"affected","versionType":"git"},{"version":"a29728463b254ce81ecefdf20c1a02e01d9361da","lessThan":"594205b4936771a250f9d141e7e0fff21c3dd2d9","status":"affected","versionType":"git"},{"version":"a29728463b254ce81ecefdf20c1a02e01d9361da","lessThan":"a972c768723359ec995579902473028fe3cd64b1","status":"affected","versionType":"git"},{"version":"a29728463b254ce81ecefdf20c1a02e01d9361da","lessThan":"de63e74da2333b4068bb79983e632db730fea97e","status":"affected","versionType":"git"},{"version":"a29728463b254ce81ecefdf20c1a02e01d9361da","lessThan":"226e993c39405292781bfcf4b039a8db56aab362","status":"affected","versionType":"git"},{"version":"a29728463b254ce81ecefdf20c1a02e01d9361da","lessThan":"aadb22ba2f656581b2f733deb3a467c48cc618f6","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/block/drbd/drbd_int.h","drivers/block/drbd/drbd_nl.c","drivers/block/drbd/drbd_state.c","drivers/block/drbd/drbd_state_change.h"],"versions":[{"version":"4.5","status":"affected"},{"version":"0","lessThan":"4.5","status":"unaffected","versionType":"semver"},{"version":"4.9.311","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.276","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.238","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.189","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.111","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.34","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16.20","lessThanOrEqual":"5.16.*","status":"unaffected","versionType":"semver"},{"version":"5.17.3","lessThanOrEqual":"5.17.*","status":"unaffected","versionType":"semver"},{"version":"5.18","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":"4.5","versionEndExcluding":"4.9.311"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"4.14.276"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"4.19.238"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"5.4.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"5.10.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"5.15.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"5.16.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"5.17.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"5.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0489700bfeb1e53eb2039c2291c67e71b0b40103"},{"url":"https://git.kernel.org/stable/c/dcf6be17b5c53b741898d2223b23e66d682de300"},{"url":"https://git.kernel.org/stable/c/188fe6b26765edbad4055611c0f788b6870f4024"},{"url":"https://git.kernel.org/stable/c/b6a4055036eed1f5e239ce3d8b0db1ce38bba447"},{"url":"https://git.kernel.org/stable/c/594205b4936771a250f9d141e7e0fff21c3dd2d9"},{"url":"https://git.kernel.org/stable/c/a972c768723359ec995579902473028fe3cd64b1"},{"url":"https://git.kernel.org/stable/c/de63e74da2333b4068bb79983e632db730fea97e"},{"url":"https://git.kernel.org/stable/c/226e993c39405292781bfcf4b039a8db56aab362"},{"url":"https://git.kernel.org/stable/c/aadb22ba2f656581b2f733deb3a467c48cc618f6"}],"title":"drbd: Fix five use after free bugs in get_initial_state","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49085","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-02-27T17:59:12.644580Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-416","description":"CWE-416 Use After Free"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-02-27T18:02:29.848Z"}}]}}