Medium [CVE-2026-72244] bail out of try_harder when alignment cannot be honoured
This medium-severity Red Hat Linux advisory covers CVE-2026-72244.
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Summary
A flaw was found in the Linux kernel's `gpu/buddy` subsystem. The `try_harder` memory allocation fallback mechanism could return a memory range whose starting offset did not match the required minimum block size.
This incorrect memory alignment could lead to improper memory handling within the kernel, potentially causing system instability or unexpected behavior. 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-1285. Red Hat lists 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 as not affected.
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 1 hour 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 1 hour 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 1 hour ago·verify at source
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