{"id":"CVE-2026-72439","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: fix writes_pending leak on write request failures\n\nraid10_make_request() acquires a writes_pending reference with\nmd_write_start() before dispatching write r…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: fix writes_pending leak on write request failures\n\nraid10_make_request() acquires a writes_pending reference with\nmd_write_start() before dispatching write r…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= c9aa889b035fca4598ae985a0f0c76ebbb547ad2 < c642583adc136d4c70ce3c65c3f43e847d26c776","Linux >= c9aa889b035fca4598ae985a0f0c76ebbb547ad2 < f94031c94eaebe14a7c9e91720064de0c5a54a6c","Linux >= c9aa889b035fca4598ae985a0f0c76ebbb547ad2 < e045d6ed33f8faa3e3dd6dc33c62ec01e3ad275d","Linux 39db562b3fedb93978a7e42dd216b306740959f8","Linux >= 5.15.111 < 5.16","Linux 5.17"],"published":"2026-08-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:17:43.690","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-72439","references":[{"url":"https://git.kernel.org/stable/c/c642583adc136d4c70ce3c65c3f43e847d26c776","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e045d6ed33f8faa3e3dd6dc33c62ec01e3ad275d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f94031c94eaebe14a7c9e91720064de0c5a54a6c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00198,"epssPercentile":0.08865,"ingestedAt":"2026-10-15T11:00:41.682Z","slug":"CVE-2026-72439","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: fix writes_pending leak on write request failures\n\nraid10_make_request() acquires a writes_pending reference with\nmd_write_start() before dispatching write requests. Several failure\npaths in raid10_write_request() complete the bio and return without\nreaching the normal write completion path, causing the corresponding\nmd_write_end() to be skipped.\n\nMake raid10_write_request() return a status indicating whether the write\nrequest was successfully queued. This allows raid10_make_request() to\nrelease the writes_pending reference with md_write_end() when a write\nrequest fails.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}