{"id":"CVE-2026-74432","state":"PUBLISHED","title":"rxrpc: Fix leak of released call in recvmsg(MSG_PEEK)","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix leak of released call in recvmsg(MSG_PEEK)\n\nFix rxrpc_recvmsg() to also drop the ref it holds on an already-released\ncall if MSG_PEEK is in force (the function holds a ref on the call\nirrespective of whether MSG_PEEK is specified or not).","publishedAt":"2026-08-15T05:59:32.207Z","updatedAt":"2026-10-30T12:30:02.873Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7692bde890061797f3dece0148d7859e85c55778","status":"affected","lessThan":"86eff3140c9d4b52bba13d1cba266da933403e51","versionType":"git"},{"version":"839fe96c15209dc2255c064bb44b636efe04f032","status":"affected","lessThan":"e473cd3046a1aaec1e39af5df2042ce7c04d5e74","versionType":"git"},{"version":"962fb1f651c2cf2083e0c3ef53ba69e3b96d3fbc","status":"affected","lessThan":"2b69b61057eb0b3db9ad754ef0f1436b7af3a9f5","versionType":"git"},{"version":"962fb1f651c2cf2083e0c3ef53ba69e3b96d3fbc","status":"affected","lessThan":"04c7103dc0923cc6ac95b97aa66bab70da7ace84","versionType":"git"},{"version":"962fb1f651c2cf2083e0c3ef53ba69e3b96d3fbc","status":"affected","lessThan":"4bdb9e471f5b1ac9cbe4add5de7ff085a0ec303c","versionType":"git"},{"version":"4aed0eeca58e26d752bb08b293b8dc75c6820b23","status":"affected","versionType":"git"},{"version":"cb720b068b18fb39c96980eb3c13f09427512be7","status":"affected","versionType":"git"},{"version":"6c75a97a32a5fa2060c3dd30207e63b6914b606d","status":"affected","versionType":"git"},{"version":"6.6.100","status":"affected","lessThan":"6.6.145","versionType":"semver"},{"version":"6.12.40","status":"affected","lessThan":"6.12.97","versionType":"semver"},{"version":"5.10.266","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"6.1.191","status":"affected","lessThan":"6.2","versionType":"semver"},{"version":"6.15.8","status":"affected","lessThan":"6.16","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rxrpc/recvmsg.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rxrpc/recvmsg.c"]}],"references":["https://git.kernel.org/stable/c/86eff3140c9d4b52bba13d1cba266da933403e51","https://git.kernel.org/stable/c/e473cd3046a1aaec1e39af5df2042ce7c04d5e74","https://git.kernel.org/stable/c/2b69b61057eb0b3db9ad754ef0f1436b7af3a9f5","https://git.kernel.org/stable/c/04c7103dc0923cc6ac95b97aa66bab70da7ace84","https://git.kernel.org/stable/c/4bdb9e471f5b1ac9cbe4add5de7ff085a0ec303c"],"weaknesses":[],"ingestedAt":"2026-10-30T12:48:04.825Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/74xxx/CVE-2026-74432.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74432","state":"PUBLISHED","datePublished":"2026-08-15T05:59:32.207Z","dateUpdated":"2026-10-30T12:30:02.873Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-15T05:44:03.896Z"},"containers":{"cna":{"title":"rxrpc: Fix leak of released call in recvmsg(MSG_PEEK)","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix leak of released call in recvmsg(MSG_PEEK)\n\nFix rxrpc_recvmsg() to also drop the ref it holds on an already-released\ncall if MSG_PEEK is in force (the function holds a ref on the call\nirrespective of whether MSG_PEEK is specified or not)."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7692bde890061797f3dece0148d7859e85c55778","status":"affected","lessThan":"86eff3140c9d4b52bba13d1cba266da933403e51","versionType":"git"},{"version":"839fe96c15209dc2255c064bb44b636efe04f032","status":"affected","lessThan":"e473cd3046a1aaec1e39af5df2042ce7c04d5e74","versionType":"git"},{"version":"962fb1f651c2cf2083e0c3ef53ba69e3b96d3fbc","status":"affected","lessThan":"2b69b61057eb0b3db9ad754ef0f1436b7af3a9f5","versionType":"git"},{"version":"962fb1f651c2cf2083e0c3ef53ba69e3b96d3fbc","status":"affected","lessThan":"04c7103dc0923cc6ac95b97aa66bab70da7ace84","versionType":"git"},{"version":"962fb1f651c2cf2083e0c3ef53ba69e3b96d3fbc","status":"affected","lessThan":"4bdb9e471f5b1ac9cbe4add5de7ff085a0ec303c","versionType":"git"},{"version":"4aed0eeca58e26d752bb08b293b8dc75c6820b23","status":"affected","versionType":"git"},{"version":"cb720b068b18fb39c96980eb3c13f09427512be7","status":"affected","versionType":"git"},{"version":"6c75a97a32a5fa2060c3dd30207e63b6914b606d","status":"affected","versionType":"git"},{"version":"6.6.100","status":"affected","lessThan":"6.6.145","versionType":"semver"},{"version":"6.12.40","status":"affected","lessThan":"6.12.97","versionType":"semver"},{"version":"5.10.266","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"6.1.191","status":"affected","lessThan":"6.2","versionType":"semver"},{"version":"6.15.8","status":"affected","lessThan":"6.16","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rxrpc/recvmsg.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rxrpc/recvmsg.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/86eff3140c9d4b52bba13d1cba266da933403e51"},{"url":"https://git.kernel.org/stable/c/e473cd3046a1aaec1e39af5df2042ce7c04d5e74"},{"url":"https://git.kernel.org/stable/c/2b69b61057eb0b3db9ad754ef0f1436b7af3a9f5"},{"url":"https://git.kernel.org/stable/c/04c7103dc0923cc6ac95b97aa66bab70da7ace84"},{"url":"https://git.kernel.org/stable/c/4bdb9e471f5b1ac9cbe4add5de7ff085a0ec303c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:30:02.873Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.100","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.40","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.266"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15.8"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}