VulnerabilityPublished 18 Oct 2026

CVE-2026-98566: Linux kernel · drm/imagination: clamp freelist reconstruction requests

Affects Linux kernelSource CVE Database V5

Not known to be exploited · fixed in eabd0ae3611769c826dbc118a1e240628731b348 : update Linux kernel when convenient.

Data as of 26 Oct 2026, 13:47 UTC

Severity

Medium

Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD

EPSS: 0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in eabd0ae3611769c826dbc118a1e240628731b348, e0560db0ea6e10c283ebe7c259a7af8d3b6e61a6, b78f8f5532a077baa4aabccf657a4fb3b164659e +1

Exploitation evidence

Disclosed: evidence found.
CVE published 18 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade Linux kernel to eabd0ae3611769c826dbc118a1e240628731b348, e0560db0ea6e10c283ebe7c259a7af8d3b6e61a6, b78f8f5532a077baa4aabccf657a4fb3b164659e or 45585c3aa285854face65293acc95eff73063d6d.

Affected software

Product	Affected	Fixed in
LinuxLinux	Affected ≥ 6eedddab733b350886571f98b810108b13bf74ae, < eabd0ae3611769c826dbc118a1e240628731b348	Fixed in eabd0ae3611769c826dbc118a1e240628731b348
LinuxLinux	Affected ≥ 6eedddab733b350886571f98b810108b13bf74ae, < e0560db0ea6e10c283ebe7c259a7af8d3b6e61a6	Fixed in e0560db0ea6e10c283ebe7c259a7af8d3b6e61a6
LinuxLinux	Affected ≥ 6eedddab733b350886571f98b810108b13bf74ae, < b78f8f5532a077baa4aabccf657a4fb3b164659e	Fixed in b78f8f5532a077baa4aabccf657a4fb3b164659e
LinuxLinux	Affected ≥ 6eedddab733b350886571f98b810108b13bf74ae, < 45585c3aa285854face65293acc95eff73063d6d	Fixed in 45585c3aa285854face65293acc95eff73063d6d
LinuxLinux	Affected =6.8	Fixed in–

AI-suggested

A fix is available and has been applied in the Linux kernel commits identified by hashes eabd0ae3611769c826dbc118a1e240628731b348, e0560db0ea6e10c283ebe7c259a7af8d3b6e61a6, b78f8f5532a077baa4aabccf657a4fb3b164659e, and 45585c3aa285854face65293acc95eff73063d6d. Users and administrators should update to a Linux kernel version that includes these fixes to remediate the vulnerability.

Description

A vulnerability in the Linux kernel's drm/imagination component involves improper bounds checking of freelist reconstruction requests. The firmware reconstruction count was not clamped to the request capacity, potentially leading to out-of-bounds accesses. This issue has been fixed by clamping the count to the request capacity and ensuring consistent use during reconstruction and response publication. The fix preserves the firmware recovery exchange instead of dropping oversized requests without a response.

Impact

The vulnerability could allow out-of-bounds memory access during freelist reconstruction requests in the drm/imagination driver, potentially causing memory corruption or instability in the Linux kernel. However, no known exploits in the wild have been reported. The fix prevents these out-of-bounds accesses by clamping the reconstruction count to valid limits and preserving proper firmware communication.

References

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 26 Oct 2026, 10:38 UTC

Technical details

References

Community reviews

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