High [CVE-2026-52951] handle empty bo and UAF races
This high-severity Red Hat Linux advisory covers CVE-2026-52951 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat package: kernel-64k-core.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
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Summary
A flaw was found in the Linux kernel's drm/xe/dma-buf subsystem. This vulnerability involves race conditions when handling the invalidate_mappings hook, particularly during buffer object initialization and attachment.
An attacker, by triggering specific sequences of operations, could exploit these races to cause a Use-After-Free (UAF) condition or a NULL pointer dereference. This could lead to system instability and crashes, resulting in a Denial of Service (DoS).
Red Hat severity: Important — CVSS 7 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H). Weakness: CWE-476.
Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9. Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: kernel-64k-core; Red Hat package: kernel-64k-debug-core; Red Hat package: kernel-64k-debug-devel-matched; Red Hat package: kernel-64k-debug-modules-core; and 19 more.
Affected products named by the advisory: Red Hat package: kernel-64k-debug-modules-extra; Red Hat package: kernel-64k-devel-matched; Red Hat package: kernel-64k-modules-core; Red Hat package: kernel-64k-modules-extra; and 15 more.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 21 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 21 days ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 21 days ago·verify at source
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