{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53361","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.400Z","datePublished":"2026-07-04T11:54:52.543Z","dateUpdated":"2026-07-04T11:54:52.543Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-07-04T11:54:52.543Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\naf_unix: Set gc_in_progress to true in unix_gc().\n\nIgor Ushakov reported that unix_gc() could run with gc_in_progress\nbeing false if the work is scheduled while running:\n\n  Thread 1         Thread 2                     Thread 3\n  --------         --------                     --------\n                   unix_schedule_gc()           unix_schedule_gc()\n                   `- if (!gc_in_progress)      `- if (!gc_in_progress)\n                      |- gc_in_progress = true     |\n                      `- queue_work()              |\n  unix_gc() <----------------/                     |\n  |                                                |- gc_in_progress = true\n  ...                                              `- queue_work()\n  |                                                       |\n  `- gc_in_progress = false                               |\n                                                          |\n  unix_gc() <---------------------------------------------'\n  |\n  ... /* gc_in_progress == false */\n  |\n  `- gc_in_progress = false\n\nunix_peek_fpl() relies on gc_in_progress not to confuse GC\nby MSG_PEEK.\n\nLet's set gc_in_progress to true in unix_gc()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/unix/garbage.c"],"versions":[{"version":"328840c93bd6a4871dd10908d01b41eab83eb8e2","lessThan":"82c17e13d404f686e164590483fd6c1abaa675d0","status":"affected","versionType":"git"},{"version":"8b90a9f819dc2a06baae4ec1a64d875e53b824ec","lessThan":"591f1ac217428a6d2b32a8ac14aac0fab44f155a","status":"affected","versionType":"git"},{"version":"8b90a9f819dc2a06baae4ec1a64d875e53b824ec","lessThan":"0cfa78c050662784fc8e3ab26dbfd1dc632b2082","status":"affected","versionType":"git"},{"version":"8b90a9f819dc2a06baae4ec1a64d875e53b824ec","lessThan":"d82ba05263c69fa2437fe93e4e561cc40f4c03af","status":"affected","versionType":"git"},{"version":"ceb8bd6c69c1680fd9b45e7f16d7170c9c7513a5","status":"affected","versionType":"git"},{"version":"6.6.93","lessThan":"6.6.144","status":"affected","versionType":"semver"},{"version":"6.1.141","lessThan":"6.2","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/unix/garbage.c"],"versions":[{"version":"6.9","status":"affected"},{"version":"0","lessThan":"6.9","status":"unaffected","versionType":"semver"},{"version":"6.6.144","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.95","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.38","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1","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":"6.6.93","versionEndExcluding":"6.6.144"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.12.95"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.18.38"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"7.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.141"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/82c17e13d404f686e164590483fd6c1abaa675d0"},{"url":"https://git.kernel.org/stable/c/591f1ac217428a6d2b32a8ac14aac0fab44f155a"},{"url":"https://git.kernel.org/stable/c/0cfa78c050662784fc8e3ab26dbfd1dc632b2082"},{"url":"https://git.kernel.org/stable/c/d82ba05263c69fa2437fe93e4e561cc40f4c03af"}],"title":"af_unix: Set gc_in_progress to true in unix_gc().","x_generator":{"engine":"bippy-1.2.0"}}}}