{"id":"CVE-2025-68300","state":"PUBLISHED","title":"fs/namespace: fix reference leak in grab_requested_mnt_ns","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/namespace: fix reference leak in grab_requested_mnt_ns\n\nlookup_mnt_ns() already takes a reference on mnt_ns.\ngrab_requested_mnt_ns() doesn't need to take an extra reference.","publishedAt":"2025-12-16T15:06:18.941Z","updatedAt":"2026-05-11T21:50:30.188Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ba306daa7fa8ae0be5d64c215e9d43a88b4bc8bf","status":"affected","lessThan":"4a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5","versionType":"git"},{"version":"8ff97ade912dcfc5ac1783c4b8d615aacd26fd17","status":"affected","lessThan":"fe256e59b8e7f126b2464ee32bd9fee131f0a883","versionType":"git"},{"version":"78f0e33cd6c939a555aa80dbed2fec6b333a7660","status":"affected","lessThan":"7b6dcd9bfd869eee7693e45b1817dac8c56e5f86","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/namespace.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6.12.59","status":"affected","lessThan":"6.12.61","versionType":"semver"},{"version":"6.17.9","status":"affected","lessThan":"6.17.11","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/namespace.c"]}],"references":["https://git.kernel.org/stable/c/4a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5","https://git.kernel.org/stable/c/fe256e59b8e7f126b2464ee32bd9fee131f0a883","https://git.kernel.org/stable/c/7b6dcd9bfd869eee7693e45b1817dac8c56e5f86"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68300.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68300","state":"PUBLISHED","datePublished":"2025-12-16T15:06:18.941Z","dateUpdated":"2026-05-11T21:50:30.188Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-16T14:48:05.293Z"},"containers":{"cna":{"title":"fs/namespace: fix reference leak in grab_requested_mnt_ns","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/namespace: fix reference leak in grab_requested_mnt_ns\n\nlookup_mnt_ns() already takes a reference on mnt_ns.\ngrab_requested_mnt_ns() doesn't need to take an extra reference."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ba306daa7fa8ae0be5d64c215e9d43a88b4bc8bf","status":"affected","lessThan":"4a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5","versionType":"git"},{"version":"8ff97ade912dcfc5ac1783c4b8d615aacd26fd17","status":"affected","lessThan":"fe256e59b8e7f126b2464ee32bd9fee131f0a883","versionType":"git"},{"version":"78f0e33cd6c939a555aa80dbed2fec6b333a7660","status":"affected","lessThan":"7b6dcd9bfd869eee7693e45b1817dac8c56e5f86","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/namespace.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6.12.59","status":"affected","lessThan":"6.12.61","versionType":"semver"},{"version":"6.17.9","status":"affected","lessThan":"6.17.11","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/namespace.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5"},{"url":"https://git.kernel.org/stable/c/fe256e59b8e7f126b2464ee32bd9fee131f0a883"},{"url":"https://git.kernel.org/stable/c/7b6dcd9bfd869eee7693e45b1817dac8c56e5f86"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:50:30.188Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.59","versionEndExcluding":"6.12.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17.9","versionEndExcluding":"6.17.11"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}