{"id":"CVE-2026-43419","state":"PUBLISHED","title":"ceph: fix memory leaks in ceph_mdsc_build_path()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nceph: fix memory leaks in ceph_mdsc_build_path()\n\nAdd __putname() calls to error code paths that did not free the \"path\"\npointer obtained by __getname().  If ownership of this pointer is not\npassed to the caller via path_info.path, the function must free it\nbefore returning.","publishedAt":"2026-05-08T14:21:55.037Z","updatedAt":"2026-10-30T12:25:32.654Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e4b168c64da06954be5d520f6c16469b1cadc069","status":"affected","lessThan":"d39366c169f873edc8ad21fdf6bf08d1de603dbb","versionType":"git"},{"version":"3fd945a79e147ee10f84213976889b29049c3519","status":"affected","lessThan":"657dc653b06a3cc0282aea447a3f137fa94066a4","versionType":"git"},{"version":"3fd945a79e147ee10f84213976889b29049c3519","status":"affected","lessThan":"5895d0164c84d7fec6abc198920c257f55c51899","versionType":"git"},{"version":"3fd945a79e147ee10f84213976889b29049c3519","status":"affected","lessThan":"097cd68f46686391a98f2618188f0cb7b7570de2","versionType":"git"},{"version":"3fd945a79e147ee10f84213976889b29049c3519","status":"affected","lessThan":"13b8b9d6f59ef17fb96c298c3a0d62a8306950cc","versionType":"git"},{"version":"3fd945a79e147ee10f84213976889b29049c3519","status":"affected","lessThan":"040d159a45ded7f33201421a81df0aa2a86e5a0b","versionType":"git"},{"version":"0f2b2d9e881c90402dbe28f9ba831775b7992e1f","status":"affected","versionType":"git"},{"version":"d42ad3f161a5a487f81915c406f46943c7187a0a","status":"affected","versionType":"git"},{"version":"6.1.125","status":"affected","lessThan":"6.1.191","versionType":"semver"},{"version":"5.10.234","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.177","status":"affected","lessThan":"5.16","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ceph/mds_client.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.78","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.19","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.9","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ceph/mds_client.c"]}],"references":["https://git.kernel.org/stable/c/d39366c169f873edc8ad21fdf6bf08d1de603dbb","https://git.kernel.org/stable/c/657dc653b06a3cc0282aea447a3f137fa94066a4","https://git.kernel.org/stable/c/5895d0164c84d7fec6abc198920c257f55c51899","https://git.kernel.org/stable/c/097cd68f46686391a98f2618188f0cb7b7570de2","https://git.kernel.org/stable/c/13b8b9d6f59ef17fb96c298c3a0d62a8306950cc","https://git.kernel.org/stable/c/040d159a45ded7f33201421a81df0aa2a86e5a0b"],"weaknesses":[],"ingestedAt":"2026-10-30T12:42:04.495Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43419.json","commit":"db8103c5921aac81d5d90efcf3745980dafabf49","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43419","state":"PUBLISHED","datePublished":"2026-05-08T14:21:55.037Z","dateUpdated":"2026-10-30T12:25:32.654Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:56.008Z"},"containers":{"cna":{"title":"ceph: fix memory leaks in ceph_mdsc_build_path()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nceph: fix memory leaks in ceph_mdsc_build_path()\n\nAdd __putname() calls to error code paths that did not free the \"path\"\npointer obtained by __getname().  If ownership of this pointer is not\npassed to the caller via path_info.path, the function must free it\nbefore returning."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e4b168c64da06954be5d520f6c16469b1cadc069","status":"affected","lessThan":"d39366c169f873edc8ad21fdf6bf08d1de603dbb","versionType":"git"},{"version":"3fd945a79e147ee10f84213976889b29049c3519","status":"affected","lessThan":"657dc653b06a3cc0282aea447a3f137fa94066a4","versionType":"git"},{"version":"3fd945a79e147ee10f84213976889b29049c3519","status":"affected","lessThan":"5895d0164c84d7fec6abc198920c257f55c51899","versionType":"git"},{"version":"3fd945a79e147ee10f84213976889b29049c3519","status":"affected","lessThan":"097cd68f46686391a98f2618188f0cb7b7570de2","versionType":"git"},{"version":"3fd945a79e147ee10f84213976889b29049c3519","status":"affected","lessThan":"13b8b9d6f59ef17fb96c298c3a0d62a8306950cc","versionType":"git"},{"version":"3fd945a79e147ee10f84213976889b29049c3519","status":"affected","lessThan":"040d159a45ded7f33201421a81df0aa2a86e5a0b","versionType":"git"},{"version":"0f2b2d9e881c90402dbe28f9ba831775b7992e1f","status":"affected","versionType":"git"},{"version":"d42ad3f161a5a487f81915c406f46943c7187a0a","status":"affected","versionType":"git"},{"version":"6.1.125","status":"affected","lessThan":"6.1.191","versionType":"semver"},{"version":"5.10.234","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.177","status":"affected","lessThan":"5.16","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ceph/mds_client.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.78","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.19","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.9","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ceph/mds_client.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d39366c169f873edc8ad21fdf6bf08d1de603dbb"},{"url":"https://git.kernel.org/stable/c/657dc653b06a3cc0282aea447a3f137fa94066a4"},{"url":"https://git.kernel.org/stable/c/5895d0164c84d7fec6abc198920c257f55c51899"},{"url":"https://git.kernel.org/stable/c/097cd68f46686391a98f2618188f0cb7b7570de2"},{"url":"https://git.kernel.org/stable/c/13b8b9d6f59ef17fb96c298c3a0d62a8306950cc"},{"url":"https://git.kernel.org/stable/c/040d159a45ded7f33201421a81df0aa2a86e5a0b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:25:32.654Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.125","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.6.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.12.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.18.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.19.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.234"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.177"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}