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  4. CVE 2026 46240 media iris fix use after free in
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Back to active CVEs
High · CVSS 7.8CVE-2026-46240

media: iris: Fix use-after-free in iris_release_internal_buffers()CVE-2026-46240

Answer in brief

CVE-2026-46240 records a High severity (CVSS 7.8) vulnerability in media: iris: Fix use-after-free in iris_release_internal_buffers(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published May 28, 2026Updated Aug 5, 2026Source checked Nov 5, 2026First seen by HOL Aug 5, 2026Material review Aug 5, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.8
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=7cde76db8883ec8a3d1456068079ecadbfb15ca5 <dd24998a4a4016fb9921916024399bd80f0d45c6 || >=1dabf00ee206eceb0f08a1fe5d1ce635f9064338 <18c64439f249859b6140f7bf8bcf95c8ed841f28 || >=1dabf00ee206eceb0f08a1fe5d1ce635f9064338 <f27cfdcfc916bb59297825805f4c3499f89f9e76 || d4457f23ac0130240053a34be663f0fade3bb371 || >=6.18.16 <6.18.32 || >=6.19.6 <6.20dd24998a4a4016fb9921916024399bd80f0d45c6, 18c64439f249859b6140f7bf8bcf95c8ed841f28, f27cfdcfc916bb59297825805f4c3499f89f9e76, 6.18.32, 6.20
Linux/Linuxgeneric7.0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to dd24998a4a4016fb9921916024399bd80f0d45c6 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    May 28, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: media: iris: Fix use-after-free in iris_release_internal_buffers() The recent change in commit 1dabf00ee206 ("media: iris: gen1: Destroy internal buffers after FW releases") introduced a regression where session_release_buf() may free the buffer. The caller, iris_release_internal_buffers(), continued to access `buffer` after the call, leading to a potential use-after-free. Fix this by setting BUF_ATTR_PENDING_RELEASE before calling session_release_buf(), and reverting the flag if the call fails. This ensures no dereference occurs after potential freeing.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 5, 2026
References
3 linked sources
Open source record