CVE record · CVE-2026-89806

drm/sysfb: ofdrm: Fix integer overflow in fb_size calculation

CVSS 8.4 HighEPSS 0.0019 · 8th percentile

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Linux	Linux	affected c8a17756c42581ba1a567d1dd3b69e8f5619a7d8 to before 0cec951667a624fafaca2695c46042f45851caec git affected c8a17756c42581ba1a567d1dd3b69e8f5619a7d8 to before 711fe7949d37656a5586244afee9523b9e5e37e9 git affected c8a17756c42581ba1a567d1dd3b69e8f5619a7d8 to before ded6ad826fe0fd059333d3a3b3e1742c8e45ff41 git affected c8a17756c42581ba1a567d1dd3b69e8f5619a7d8 to before d9daf9a6e7a6f82ef338a09386eefc6807100d3f git affected c8a17756c42581ba1a567d1dd3b69e8f5619a7d8 to before c6f48e59ece0123f6a11527ad4d89b21c2d65b87 git Other versions: unaffected
Linux	Linux	affected 6.2 unaffected before 6.2 semver unaffected 6.6.160 to 6.6., inclusive semver unaffected 6.12.112 to 6.12., inclusive semver unaffected 6.18.51 to 6.18., inclusive semver unaffected 7.2.5 to 7.2., inclusive semver unaffected 7.3 to *, inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-89806
CNA: Linux
Tags: Linux kernel
Published: 16 Sept 2026
Updated: 21 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.4	High	3.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0019, the 8th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 16 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.