{"id":"CVE-2026-89995","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ndma-direct: return struct page from dma_direct_alloc_from_pool()\n\nCommit 5b138c534fda (\"dma-direct: factor out a dma_direct_alloc_from_pool\nhelper\") changed dma_direct_…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndma-direct: return struct page from dma_direct_alloc_from_pool()\n\nCommit 5b138c534fda (\"dma-direct: factor out a dma_direct_alloc_from_pool\nhelper\") changed dma_direct_…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 5b138c534fda57c2ebc1e6de72578aa1d70788a6 < c3fdb94da43ff23287f85664174c45c45e881a3f","Linux >= 5b138c534fda57c2ebc1e6de72578aa1d70788a6 < 408ff2d5bf555bd3f4c84a2edb95c0690bf9edc8","Linux >= 5b138c534fda57c2ebc1e6de72578aa1d70788a6 < feeb2ef775081a6c188cdd10e7a45369a07ce531","Linux >= 5b138c534fda57c2ebc1e6de72578aa1d70788a6 < 94a04ad732c9f8b9554270fc4038a06737de5c22","Linux 5.10"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T15:18:23.157","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89995","references":[{"url":"https://git.kernel.org/stable/c/408ff2d5bf555bd3f4c84a2edb95c0690bf9edc8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/94a04ad732c9f8b9554270fc4038a06737de5c22","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c3fdb94da43ff23287f85664174c45c45e881a3f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/feeb2ef775081a6c188cdd10e7a45369a07ce531","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7801e616fbe3661f9471b2e9bfcb1ed35460bf16"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89995.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-89995"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2535263"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89995"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89995"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89995.mbox"},{"url":"https://kernelcve.org/list/?q=CVE-2026-89995"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"ingestedAt":"2026-09-16T10:53:53.946Z","epss":0.00346,"epssPercentile":0.2799,"cwe":["CWE-843"],"scores":{"nvd":8.8,"vendor":5.7},"slug":"CVE-2026-89995","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndma-direct: return struct page from dma_direct_alloc_from_pool()\n\nCommit 5b138c534fda (\"dma-direct: factor out a dma_direct_alloc_from_pool\nhelper\") changed dma_direct_alloc_from_pool() to return the CPU address\nfrom dma_alloc_from_pool(). That fits dma_direct_alloc(), but\ndma_direct_alloc_pages() also uses the helper and expects a struct page *.\n\nFix this by making dma_direct_alloc_from_pool() return the struct page *\nagain, and pass the CPU address back through an out-parameter for the\ndma_direct_alloc() caller.\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** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-25 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89995.json)","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":205043,"id":"CVE-2026-89995","ts":1789570704914,"field":"cvss","old":null,"new":"8.8"},{"seq":205042,"id":"CVE-2026-89995","ts":1789570704914,"field":"severity","old":"none","new":"high"}]}