{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-21762","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-12-29T08:45:45.761Z","datePublished":"2025-02-27T02:18:14.600Z","dateUpdated":"2025-11-03T19:37:11.540Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:20:34.803Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\narp: use RCU protection in arp_xmit()\n\narp_xmit() can be called without RTNL or RCU protection.\n\nUse RCU protection to avoid potential UAF."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/arp.c"],"versions":[{"version":"29a26a56803855a79dbd028cd61abee56237d6e5","lessThan":"10f555e3f573d004ae9d89b3276abb58c4ede5c3","status":"affected","versionType":"git"},{"version":"29a26a56803855a79dbd028cd61abee56237d6e5","lessThan":"307cd1e2d3cb1cbc6c40c679cada6d7168b18431","status":"affected","versionType":"git"},{"version":"29a26a56803855a79dbd028cd61abee56237d6e5","lessThan":"d9366ac2f956a1948b68c0500f84a3462ff2ed8a","status":"affected","versionType":"git"},{"version":"29a26a56803855a79dbd028cd61abee56237d6e5","lessThan":"f189654459423d4d48bef2d120b4bfba559e6039","status":"affected","versionType":"git"},{"version":"29a26a56803855a79dbd028cd61abee56237d6e5","lessThan":"e9f4dee534eb1b225b0a120395ad9bc2afe164d3","status":"affected","versionType":"git"},{"version":"29a26a56803855a79dbd028cd61abee56237d6e5","lessThan":"01d1b5c9abcaff29a43f1d17a19c33eec92c7dbe","status":"affected","versionType":"git"},{"version":"29a26a56803855a79dbd028cd61abee56237d6e5","lessThan":"2c331718d3389b6c5f6855078ab7171849e016bd","status":"affected","versionType":"git"},{"version":"29a26a56803855a79dbd028cd61abee56237d6e5","lessThan":"a42b69f692165ec39db42d595f4f65a4c8f42e44","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/ipv4/arp.c"],"versions":[{"version":"4.4","status":"affected"},{"version":"0","lessThan":"4.4","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":"4.4","versionEndExcluding":"5.4.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.10.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.15.179"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.1.129"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.6.79"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.12.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.13.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.14"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/10f555e3f573d004ae9d89b3276abb58c4ede5c3"},{"url":"https://git.kernel.org/stable/c/307cd1e2d3cb1cbc6c40c679cada6d7168b18431"},{"url":"https://git.kernel.org/stable/c/d9366ac2f956a1948b68c0500f84a3462ff2ed8a"},{"url":"https://git.kernel.org/stable/c/f189654459423d4d48bef2d120b4bfba559e6039"},{"url":"https://git.kernel.org/stable/c/e9f4dee534eb1b225b0a120395ad9bc2afe164d3"},{"url":"https://git.kernel.org/stable/c/01d1b5c9abcaff29a43f1d17a19c33eec92c7dbe"},{"url":"https://git.kernel.org/stable/c/2c331718d3389b6c5f6855078ab7171849e016bd"},{"url":"https://git.kernel.org/stable/c/a42b69f692165ec39db42d595f4f65a4c8f42e44"}],"title":"arp: use RCU protection in arp_xmit()","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-2025-21762","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-02-27T17:57:30.024595Z"}}}],"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":"2025-02-27T18:02:27.083Z"}},{"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":"2025-11-03T19:37:11.540Z"}}]}}