CVE-2026-74417: drm/radeon: fix integer overflow in radeon_align_pitch()
In the Linux kernel, the following vulnerability has been resolved:
drm/radeon: fix integer overflow in radeonalignpitch()
radeonalignpitch() has the same kind of overflow issue as the old amdgpu helper: both the alignment round-up add and the final 'aligned cpp' calculation can overflow signed int.
If that wraps, radeonmodedumbcreate() can end up returning an invalid pitch or creating a zero-sized dumb buffer.
Fix this by using checkaddoverflow() for the alignment round-up and checkmuloverflow() for the final pitch calculation, returning 0 on overflow. Also reject zero pitch and size in radeonmodedumbcreate().
Found via AST-based call-graph analysis using sqry.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
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ubuntu/linux-oracleto a version that resolves this vulnerability.Fixed in 6.8.0-1064.67 - Upgrade
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ubuntu/linuxto a version that resolves this vulnerability.Fixed in 7.0.0-38.38 - Upgrade
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ubuntu/linux-awsto a version that resolves this vulnerability.Fixed in 7.0.0-1014.14 - Upgrade
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ubuntu/linux-azureto a version that resolves this vulnerability.Fixed in 7.0.0-1017.17 - Upgrade
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ubuntu/linux-gcpto a version that resolves this vulnerability.Fixed in 7.0.0-1014.14 - Upgrade
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ubuntu/linux-gketo a version that resolves this vulnerability.Fixed in 7.0.0-1008.9 - Upgrade
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ubuntu/linux-ibmto a version that resolves this vulnerability.Fixed in 7.0.0-1015.15 - Upgrade
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ubuntu/linux-oracleto a version that resolves this vulnerability.Fixed in 7.0.0-1013.13 - Upgrade
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debian/linuxto a version that resolves this vulnerability.Fixed in 6.12.100-1 - Upgrade
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debian/linuxto a version that resolves this vulnerability.Fixed in 7.1.5-1 - Upgrade
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linux/Kernelto a version that resolves this vulnerability.Fixed in 6.1.191 - Upgrade
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Event History
Frequently Asked Questions
What is the severity of CVE-2026-74417?
CVE-2026-74417 has a risk rating of 34.
How do I fix CVE-2026-74417?
To fix CVE-2026-74417, you should update the Linux kernel to the patched version that addresses the integer overflow issue.
What are the implications of CVE-2026-74417?
CVE-2026-74417 may lead to integer overflow vulnerabilities that can potentially affect system stability and security.
Which component is affected by CVE-2026-74417?
CVE-2026-74417 affects the DRM/Radeon graphics driver within the Linux kernel.
When was CVE-2026-74417 published?
CVE-2026-74417 was published on August 15, 2026.