{"id":"CVE-2026-98224","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/vma: correctly unaccount on mmap_prepare() failure\n\n__mmap_setup() accounts memory for relevant mappings via:\n\nsecurity_vm_enough_memory_mm()\n  -> __vm_enough_memory…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/vma: correctly unaccount on mmap_prepare() failure\n\n__mmap_setup() accounts memory for relevant mappings via:\n\nsecurity_vm_enough_memory_mm()\n  -> __vm_enough_memory…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= c84bf6dd2b836b49bb2662668ff1692350d28236 < fb5400bff669c8bad3d4ec09287d9b461e89e5f1","Linux >= c84bf6dd2b836b49bb2662668ff1692350d28236 < 8fdc521d438fbf0d22c13d51d55d5dd82d7202b2","Linux >= c84bf6dd2b836b49bb2662668ff1692350d28236 < 6cc27d82196385fe06853319f74312a7d8019726","Linux 6.16"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T09:18:09.427","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98224","references":[{"url":"https://git.kernel.org/stable/c/6cc27d82196385fe06853319f74312a7d8019726","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8fdc521d438fbf0d22c13d51d55d5dd82d7202b2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fb5400bff669c8bad3d4ec09287d9b461e89e5f1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98224.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98224"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2546530"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98224"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98224"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98224.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-10-06T08:50:17.437Z","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-772"],"epss":0.00166,"epssPercentile":0.058,"slug":"CVE-2026-98224","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmm/vma: correctly unaccount on mmap_prepare() failure\n\n__mmap_setup() accounts memory for relevant mappings via:\n\nsecurity_vm_enough_memory_mm()\n  -> __vm_enough_memory()\n    -> vm_acct_memory()\n\nIf __mmap_setup() fails, this indicates that this accounting did not take\nplace, and thus it's appropriate for __mmap_region() to jump to\nabort_munmap.\n\nHowever if call_mmap_prepare() fails, it also jumps there and any accounted\nmemory is not correctly unaccounted.\n\nFix this by handling each error separately.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10 · no fix planned: Red Hat Enterprise Linux 10 · updated 2026-10-09 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98224.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":218420,"id":"CVE-2026-98224","ts":1791533719944,"field":"cvss","old":null,"new":"5.5"},{"seq":218419,"id":"CVE-2026-98224","ts":1791533719944,"field":"severity","old":"none","new":"medium"}]}