{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2024-26993","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-19T14:20:24.206Z","datePublished":"2024-05-01T05:28:02.462Z","dateUpdated":"2025-11-04T17:15:48.314Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T12:55:16.847Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs: sysfs: Fix reference leak in sysfs_break_active_protection()\n\nThe sysfs_break_active_protection() routine has an obvious reference\nleak in its error path.  If the call to kernfs_find_and_get() fails then\nkn will be NULL, so the companion sysfs_unbreak_active_protection()\nroutine won't get called (and would only cause an access violation by\ntrying to dereference kn->parent if it was called).  As a result, the\nreference to kobj acquired at the start of the function will never be\nreleased.\n\nFix the leak by adding an explicit kobject_put() call when kn is NULL."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/sysfs/file.c"],"versions":[{"version":"2afc9166f79b8f6da5f347f48515215ceee4ae37","lessThan":"f28bba37fe244889b81bb5c508d3f6e5c6e342c5","status":"affected","versionType":"git"},{"version":"2afc9166f79b8f6da5f347f48515215ceee4ae37","lessThan":"57baab0f376bec8f54b0fe6beb8f77a57c228063","status":"affected","versionType":"git"},{"version":"2afc9166f79b8f6da5f347f48515215ceee4ae37","lessThan":"84bd4c2ae9c3d0a7d3a5c032ea7efff17af17e17","status":"affected","versionType":"git"},{"version":"2afc9166f79b8f6da5f347f48515215ceee4ae37","lessThan":"43f00210cb257bcb0387e8caeb4b46375d67f30c","status":"affected","versionType":"git"},{"version":"2afc9166f79b8f6da5f347f48515215ceee4ae37","lessThan":"5d43e072285e81b0b63cee7189b3357c7768a43b","status":"affected","versionType":"git"},{"version":"2afc9166f79b8f6da5f347f48515215ceee4ae37","lessThan":"ac107356aabc362aaeb77463e814fc067a5d3957","status":"affected","versionType":"git"},{"version":"2afc9166f79b8f6da5f347f48515215ceee4ae37","lessThan":"a4c99b57d43bab45225ba92d574a8683f9edc8e4","status":"affected","versionType":"git"},{"version":"2afc9166f79b8f6da5f347f48515215ceee4ae37","lessThan":"a90bca2228c0646fc29a72689d308e5fe03e6d78","status":"affected","versionType":"git"},{"version":"e8a37b2fd5b5087bec6cbbf6946ee3caa712953b","status":"affected","versionType":"git"},{"version":"a6abc93760dd07fcd29760b70e6e7520f22cb288","status":"affected","versionType":"git"},{"version":"461a6385e58e8247e6ba2005aa5d1b8d980ee4a2","status":"affected","versionType":"git"},{"version":"8a5e02a0f46ea33ed19e48e096a8e8d28e73d10a","status":"affected","versionType":"git"},{"version":"c984f4d1d40a2f349503b3faf946502ccbf02f9f","status":"affected","versionType":"git"},{"version":"807d1d299a04e9ad9a9dac55419c1137a105254b","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/sysfs/file.c"],"versions":[{"version":"4.19","status":"affected"},{"version":"0","lessThan":"4.19","status":"unaffected","versionType":"semver"},{"version":"4.19.313","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.275","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.216","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.157","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.88","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.29","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.8.8","lessThanOrEqual":"6.8.*","status":"unaffected","versionType":"semver"},{"version":"6.9","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":"4.19","versionEndExcluding":"4.19.313"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.4.275"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.10.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.15.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.1.88"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.6.29"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.8.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16.62"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.154"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.125"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.68"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18.6"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/f28bba37fe244889b81bb5c508d3f6e5c6e342c5"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