{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"d8a6853d00fbaa810765c8ed2f452a5832273968","status":"affected","version":"afeee514ce7f4cab605beedd03be71ebaf0c5fc8","versionType":"git"},{"lessThan":"12b00ec99624f8da8c325f2dd6e807df26df0025","status":"affected","version":"afeee514ce7f4cab605beedd03be71ebaf0c5fc8","versionType":"git"},{"lessThan":"48da050b4f54ed639b66278d0ae6f4107b2c4e2d","status":"affected","version":"afeee514ce7f4cab605beedd03be71ebaf0c5fc8","versionType":"git"},{"lessThan":"5f35e48b76655e45522df338876dfef88dafcc71","status":"affected","version":"afeee514ce7f4cab605beedd03be71ebaf0c5fc8","versionType":"git"},{"lessThan":"df5894014a92ff0196dbc212a7764e97366fd2b7","status":"affected","version":"afeee514ce7f4cab605beedd03be71ebaf0c5fc8","versionType":"git"},{"lessThan":"776e6186dc9ecbdb8a1b706e989166c8a99bbf64","status":"affected","version":"afeee514ce7f4cab605beedd03be71ebaf0c5fc8","versionType":"git"},{"lessThan":"61fd5e93006cf82ec8ee5c115ab5cf4bbd104bdb","status":"affected","version":"afeee514ce7f4cab605beedd03be71ebaf0c5fc8","versionType":"git"},{"lessThan":"d67ed2ccd2d1dcfda9292c0ea8697a9d0f2f0d98","status":"affected","version":"afeee514ce7f4cab605beedd03be71ebaf0c5fc8","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"4.18"},{"lessThan":"4.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.296","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.240","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.189","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.146","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.99","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.39","versionType":"semver"},{"lessThanOrEqual":"6.15.*","status":"unaffected","version":"6.15.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.16","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2025-38445","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid1: Fix stack memory use after return in raid1_reshape\n\nIn the raid1_reshape function, newpool is\nallocated on the stack and assigned to conf->r1bio_pool.\nThis results in conf->r1bio_pool.wait.head pointing\nto a stack address.\nAccessing this address later can lead to a kernel panic.\n\nExample access path:\n\nraid1_reshape()\n{\n\t// newpool is on the stack\n\tmempool_t newpool, oldpool;\n\t// initialize newpool.wait.head to stack address\n\tmempool_init(&newpool, ...);\n\tconf->r1bio_pool = newpool;\n}\n\nraid1_read_request() or raid1_write_request()\n{\n\talloc_r1bio()\n\t{\n\t\tmempool_alloc()\n\t\t{\n\t\t\t// if pool->alloc fails\n\t\t\tremove_element()\n\t\t\t{\n\t\t\t\t--pool->curr_nr;\n\t\t\t}\n\t\t}\n\t}\n}\n\nmempool_free()\n{\n\tif (pool->curr_nr < pool->min_nr) {\n\t\t// pool->wait.head is a stack address\n\t\t// wake_up() will try to access this invalid address\n\t\t// which leads to a kernel panic\n\t\treturn;\n\t\twake_up(&pool->wait);\n\t}\n}\n\nFix:\nreinit conf->r1bio_pool.wait after assigning newpool.","epss":{"date":"2026-11-05","percentile":0.09837,"score":0.00199},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793912558838,"publishedAt":1753457248035,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/d8a6853d00fbaa810765c8ed2f452a5832273968"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/12b00ec99624f8da8c325f2dd6e807df26df0025"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/48da050b4f54ed639b66278d0ae6f4107b2c4e2d"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/5f35e48b76655e45522df338876dfef88dafcc71"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/df5894014a92ff0196dbc212a7764e97366fd2b7"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/776e6186dc9ecbdb8a1b706e989166c8a99bbf64"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/61fd5e93006cf82ec8ee5c115ab5cf4bbd104bdb"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/d67ed2ccd2d1dcfda9292c0ea8697a9d0f2f0d98"},{"source":"ADP: CVE","tags":[],"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"source":"ADP: CVE","tags":[],"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}],"remediation":[],"revision":"8b9c3e742da89bb2ba893086c4d2aa5e4b8d6f44cebb309b287f71c368b68f6e","sources":[{"modifiedAt":1793912558838,"name":"CNA: Linux","retrievedAt":1793913702563,"url":"https://www.cve.org/CVERecord?id=CVE-2025-38445"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793913703112,"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-38445"}],"ssvc":{"assessedAt":1793912218658,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"md/raid1: Fix stack memory use after return in raid1_reshape","updatedAt":1793913703112}