{"id":"CVE-2026-74374","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-74374","summary":"md/raid1,raid10: fix error-path detection with md_cloned_bio()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid1,raid10: fix error-path detection with md_cloned_bio()\n\nDetect the error path using md_cloned_bio() instead of relying\non r1_bio in raid1 or r10_bio->read_slot in raid10, which may be\nNULL or -1 after splitting and resubmitting a failed bio.\n\nAs a result, the error path may not be recognized and memory\nallocations can incorrectly use GFP_NOIO instead of\n(GFP_NOIO | __GFP_HIGH), which can lead to a deadlock under\nmemory pressure.","published":"2026-08-15T05:58:53.659Z","modified":"2026-08-18T03:56:47.022023259Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"7.1.5"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/20fb582c92fd64e5c8bd83c6176264b2794603b7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/811545e0926d02a6a0b1a1258bb5544777c164d4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74374.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74374"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-18T03:56:47.022023259Z"}}