{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53327","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.398Z","datePublished":"2026-07-01T13:32:13.493Z","dateUpdated":"2026-07-04T11:51:05.892Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-07-04T11:51:05.892Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndebugobjects: Do not fill_pool() if pi_blocked_on\n\nOn RT enabled kernels, fill_pool() ends up calling rtlock_lock(), which\nasserts if current::pi_blocked_on is set, because a task can obviously only\nblock on one lock as otherwise the priority inheritenace chain gets\ncorrupted.\n\nPrevent this by expanding the conditional to take current::pi_blocked_on\ninto account."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["lib/debugobjects.c"],"versions":[{"version":"4bedcc28469a24fe481a8a31b3584e6070457ddb","lessThan":"8a680d54f1adf3e3aa815578684556716fda6f0c","status":"affected","versionType":"git"},{"version":"4bedcc28469a24fe481a8a31b3584e6070457ddb","lessThan":"a3383df76f0d7a597066df018409eb9e5e698064","status":"affected","versionType":"git"},{"version":"4bedcc28469a24fe481a8a31b3584e6070457ddb","lessThan":"3f6a3b24ab7b9d51f6f4778254bef0e5847beb55","status":"affected","versionType":"git"},{"version":"4bedcc28469a24fe481a8a31b3584e6070457ddb","lessThan":"3a408cae608d9c075dd3a9e5cfc03b3cb0726863","status":"affected","versionType":"git"},{"version":"4bedcc28469a24fe481a8a31b3584e6070457ddb","lessThan":"33bee10644f8fff3b1a0187ad5ad34513e5e8e72","status":"affected","versionType":"git"},{"version":"4bedcc28469a24fe481a8a31b3584e6070457ddb","lessThan":"5f41161059fd0f1bbf18c90f3180e38cc45a14eb","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["lib/debugobjects.c"],"versions":[{"version":"5.15","status":"affected"},{"version":"0","lessThan":"5.15","status":"unaffected","versionType":"semver"},{"version":"6.1.177","lessThanOrEqual":"6.1.*","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":"6.18.37","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.13","lessThanOrEqual":"7.0.*","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":"5.15","versionEndExcluding":"6.1.177"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.6.144"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.12.95"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.18.37"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8a680d54f1adf3e3aa815578684556716fda6f0c"},{"url":"https://git.kernel.org/stable/c/a3383df76f0d7a597066df018409eb9e5e698064"},{"url":"https://git.kernel.org/stable/c/3f6a3b24ab7b9d51f6f4778254bef0e5847beb55"},{"url":"https://git.kernel.org/stable/c/3a408cae608d9c075dd3a9e5cfc03b3cb0726863"},{"url":"https://git.kernel.org/stable/c/33bee10644f8fff3b1a0187ad5ad34513e5e8e72"},{"url":"https://git.kernel.org/stable/c/5f41161059fd0f1bbf18c90f3180e38cc45a14eb"}],"title":"debugobjects: Do not fill_pool() if pi_blocked_on","x_generator":{"engine":"bippy-1.2.0"}}}}