CVE-2025-40146

{"id": "CVE-2025-40146", "cveTags": [], "metrics": {}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "e3a2b3f931f59d5284abd13faf8bded726884ffd", "lessThan": "8d26acf8477174d8ef690eb6affe13a630f586ae", "versionType": "git"}, {"status": "affected", "version": "e3a2b3f931f59d5284abd13faf8bded726884ffd", "lessThan": "b86433721f46d934940528f28d49c1dedb690df1", "versionType": "git"}], "programFiles": ["block/blk-mq.c", "block/blk-mq.h", "block/blk-sysfs.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.16"}, {"status": "unaffected", "version": "0", "lessThan": "3.16", "versionType": "semver"}, {"status": "unaffected", "version": "6.17.3", "versionType": "semver", "lessThanOrEqual": "6.17.*"}, {"status": "unaffected", "version": "6.18", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["block/blk-mq.c", "block/blk-mq.h", "block/blk-sysfs.c"], "defaultStatus": "affected"}]}], "published": "2025-11-12T11:15:44.480", "references": [{"url": "https://git.kernel.org/stable/c/8d26acf8477174d8ef690eb6affe13a630f586ae", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b86433721f46d934940528f28d49c1dedb690df1", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Deferred", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblk-mq: fix potential deadlock while nr_requests grown\n\nAllocate and free sched_tags while queue is freezed can deadlock[1],\nthis is a long term problem, hence allocate memory before freezing\nqueue and free memory after queue is unfreezed.\n\n[1] https://lore.kernel.org/all/0659ea8d-a463-47c8-9180-43c719e106eb@linux.ibm.com/"}], "lastModified": "2026-06-17T09:21:20.207", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}