Medium [CVE-2026-68430] drop unecessary BUG_ON
This medium-severity Red Hat Linux advisory covers CVE-2026-68430 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7.
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Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/gfx8: drop unecessary BUG_ON() There's no need to crash the kernel for this case. (cherry picked from commit 4d7c25208ca612b754f3bf39e9f16e725b828891) An unnecessary BUG_ON() call within this component could lead to a system crash.
This vulnerability could allow a local attacker to cause a Denial of Service (DoS), rendering the system unresponsive. Red Hat has determined that this vulnerability does not pose a significant risk to systems where the affected kernel module is loaded.
The BUG_ON() assertion requires local access and specific GPU hardware conditions to trigger. Red Hat may apply this fix in a future kernel update.
Red Hat severity: Low — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-617.
Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4. 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 · high-confidence parse· fetched 1 day 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 · high-confidence parse· fetched 1 day ago·verify at source
Mitigation checklist
- There is no mitigation for this flaw. Systems without AMD GFX8 GPU hardware are not affected by this issue in practice, as the vulnerable code path is only reached when the amdgpu driver is loaded for GFX8 hardware.
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
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