{"cve":"CVE-2022-49912","nvd":{"published":"2025-05-01T15:16:16.363","modified":"2026-06-17T05:19:29.773","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix ulist leaks in error paths of qgroup self tests\n\nIn the test_no_shared_qgroup() and test_multiple_refs() qgroup self tests,\nif we fail to add the tree ref, remove the extent item or remove the\nextent ref, we are returning from the test function without freeing the\n\"old_roots\" ulist that was allocated by the previous calls to\nbtrfs_find_all_roots(). Fix that by calling ulist_free() before returning.","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":["CWE-401"],"references":["https://git.kernel.org/stable/c/0a0dead4ad1a2e2a9bdf133ef45111d7c8daef84","https://git.kernel.org/stable/c/203204798831c35d855ecc6417d98267d2d2184b","https://git.kernel.org/stable/c/3f58283d83a588ff5da62fc150de19e798ed2ec2","https://git.kernel.org/stable/c/5d1a47ebf84540e40b5b43fc21aef0d6c0f627d9","https://git.kernel.org/stable/c/d37de92b38932d40e4a251e876cc388f9aee5f42"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2022-49912","score":0.00203,"percentile":0.10266,"date":"2026-11-01"},"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."]}