Medium [CVE-2026-74357] fix KASAN slab-out-of-bounds in amdgpu_coredump ring dump
This medium-severity Red Hat Linux advisory covers CVE-2026-74357 affecting Red Hat Enterprise Linux 6, Red Hat package: kernel.
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Summary
A flaw was found in the `drm/amdgpu` component of the Linux kernel. This vulnerability involves a race condition during the processing of GPU ring data within the `amdgpu_coredump` function.
This can lead to a memory corruption issue, specifically a slab-out-of-bounds write. A local attacker could potentially exploit this flaw to cause system instability or a denial of service (DoS).
Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-787.
Affected Red Hat products: Red Hat Enterprise Linux 6. Will not fix / out of support: Red Hat Enterprise Linux 6.
Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: kernel.
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 2 hours 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 2 hours 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 2 hours ago·verify at source
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