{"cve":"CVE-2026-53327","nvd":{"published":"2026-07-01T14:16:40.550","modified":"2026-07-23T20:52:46.443","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/33bee10644f8fff3b1a0187ad5ad34513e5e8e72","https://git.kernel.org/stable/c/3a408cae608d9c075dd3a9e5cfc03b3cb0726863","https://git.kernel.org/stable/c/3f6a3b24ab7b9d51f6f4778254bef0e5847beb55","https://git.kernel.org/stable/c/5f41161059fd0f1bbf18c90f3180e38cc45a14eb","https://git.kernel.org/stable/c/8a680d54f1adf3e3aa815578684556716fda6f0c"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:42:16.820116992+00:00"},"epss":{"cve":"CVE-2026-53327","score":0.00129,"percentile":0.02562,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}