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CVE-2026-63879 is a vulnerability in the Linux kernel DRM AMDGPU subsystem, specifically in amdgpu_hmm_range_get_pages. The flaw stems from reading the notifier sequence more than once during HMM page-range handling. Because the notifier sequence can change between reads, the function can proceed using pages that are no longer valid, creating a race-condition and time-of-check/time-of-use style flaw in kernel memory handling. The issue was resolved by ensuring the notifier sequence is read only once during the operation.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A specific vulnerability affecting Red Hat Enterprise Linux 10.2 kernel-related packages; the content does not provide technical details beyond listing it in the advisory.
A specific vulnerability affecting Red Hat Enterprise Linux 9 kernel-related packages, referenced in RHSA-2026:57252.
A Linux kernel vulnerability in drm/amdgpu involving amdgpu_hmm_range_get_pages handling.
Linux kernel drm/amdgpu vulnerability in amdgpu_hmm_range_get_pages().
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.