{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-21760","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-12-29T08:45:45.761Z","datePublished":"2025-02-27T02:18:13.496Z","dateUpdated":"2025-11-03T19:37:05.973Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:20:32.521Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nndisc: extend RCU protection in ndisc_send_skb()\n\nndisc_send_skb() can be called without RTNL or RCU held.\n\nAcquire rcu_read_lock() earlier, so that we can use dev_net_rcu()\nand avoid a potential UAF."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv6/ndisc.c"],"versions":[{"version":"1762f7e88eb34f653b4a915be99a102e347dd45e","lessThan":"10a1f3fece2f0d23a3a618b72b2b4e6f408ef7d1","status":"affected","versionType":"git"},{"version":"1762f7e88eb34f653b4a915be99a102e347dd45e","lessThan":"4d576202b90b1b95a7c428a80b536f91b8201bcc","status":"affected","versionType":"git"},{"version":"1762f7e88eb34f653b4a915be99a102e347dd45e","lessThan":"e24d225e4cb8cf108bde00b76594499b98f0a74d","status":"affected","versionType":"git"},{"version":"1762f7e88eb34f653b4a915be99a102e347dd45e","lessThan":"a9319d800b5701e7f5e3fa71a5b7c4831fc20d6d","status":"affected","versionType":"git"},{"version":"1762f7e88eb34f653b4a915be99a102e347dd45e","lessThan":"ae38982f521621c216fc2f5182cd091f4734641d","status":"affected","versionType":"git"},{"version":"1762f7e88eb34f653b4a915be99a102e347dd45e","lessThan":"789230e5a8c1097301afc802e242c79bc8835c67","status":"affected","versionType":"git"},{"version":"1762f7e88eb34f653b4a915be99a102e347dd45e","lessThan":"04e05112f10354ffc3bb6cc796d553bab161594c","status":"affected","versionType":"git"},{"version":"1762f7e88eb34f653b4a915be99a102e347dd45e","lessThan":"ed6ae1f325d3c43966ec1b62ac1459e2b8e45640","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/ipv6/ndisc.c"],"versions":[{"version":"2.6.26","status":"affected"},{"version":"0","lessThan":"2.6.26","status":"unaffected","versionType":"semver"},{"version":"5.4.291","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.235","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.179","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.129","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.79","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.16","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.13.4","lessThanOrEqual":"6.13.*","status":"unaffected","versionType":"semver"},{"version":"6.14","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":"2.6.26","versionEndExcluding":"5.4.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"5.10.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"5.15.179"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"6.1.129"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"6.6.79"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"6.12.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"6.13.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"6.14"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/10a1f3fece2f0d23a3a618b72b2b4e6f408ef7d1"},{"url":"https://git.kernel.org/stable/c/4d576202b90b1b95a7c428a80b536f91b8201bcc"},{"url":"https://git.kernel.org/stable/c/e24d225e4cb8cf108bde00b76594499b98f0a74d"},{"url":"https://git.kernel.org/stable/c/a9319d800b5701e7f5e3fa71a5b7c4831fc20d6d"},{"url":"https://git.kernel.org/stable/c/ae38982f521621c216fc2f5182cd091f4734641d"},{"url":"https://git.kernel.org/stable/c/789230e5a8c1097301afc802e242c79bc8835c67"},{"url":"https://git.kernel.org/stable/c/04e05112f10354ffc3bb6cc796d553bab161594c"},{"url":"https://git.kernel.org/stable/c/ed6ae1f325d3c43966ec1b62ac1459e2b8e45640"}],"title":"ndisc: extend RCU protection in ndisc_send_skb()","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-2025-21760","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-02-27T17:57:40.416234Z"}}}],"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":"2025-02-27T18:02:27.327Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T19:37:05.973Z"}}]}}