CVE-2026-64245: fbdev: modedb: fix a possible UAF in fb_find_mode()

highCVSS 7.1CVE-2026-64245

CSIRTS triage

product: fbdevOther

What: There is a possible use-after-free vulnerability in fb_find_mode().
Who is affected: Deployments using fbdev are affected.
Urgency: Remediation urgency is unknown due to lack of severity information and exploitation status.
Action: Monitor for updates regarding this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.1
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64245

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-642450.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-64245	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for fbdev

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownCVE-2026-64245: In the Linux kernel, the following vulnerability has been resolved: fbdev: modedb: fix a possi…nvd · 2026-07-24
unknownCVE-2026-63826: In the Linux kernel, the following vulnerability has been resolved: fbdev: fix use-after-free …nvd · 2026-07-19
unknownCVE-2026-53403: In the Linux kernel, the following vulnerability has been resolved: fbdev: Fix fb_new_modelist…nvd · 2026-07-19
highCVE-2026-53402: In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: fix out-of-b…nvd · 2026-07-19
highCVE-2026-53401: In the Linux kernel, the following vulnerability has been resolved: fbdev: omap2: fix use-afte…nvd · 2026-07-19
highCVE-2026-53401: fbdev: omap2: fix use-after-free in omapfb_mmapmsrc · 2026-07-14