Mali Gpu Kernel DriverApplication · Arm

CVE-2023-4295

HIGH · 7.8 CVSS v3.1 Published 2023-11-07
No fix yet
No fix has been published. The vendor has not shipped a fixed release or patch. You remain exposed.
See remediation →
80/100
Remediation priority · High
Public exploit Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis
How this class of weakness works · CWE-190

An arithmetic operation produces a value too large for its type and wraps around to an unexpected — often tiny or negative — number. That miscalculated value then drives a memory allocation or a bounds check, opening the door to corruption. The fix is checked arithmetic and validating sizes before they're used.

General guidance for the integer overflow class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Mali Gpu Kernel DriverApplication
Affected:>= r41p0, < r43p0
Valhall Gpu Kernel DriverApplication
Affected:>= r29p0, <= r42p0

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Recommended fix Moderate confidence

Mali Gpu Kernel Driver r43p0 or later / Valhall Gpu Kernel Driver r43p0 or later

  1. Identify the current Mali GPU kernel driver version using `cat /sys/class/misc/mali0/device/driver/version` or checking kernel modules with `modinfo mali`
  2. Update the Linux kernel to a version that includes the fixed Mali GPU driver (r43p0 or later)
  3. For embedded systems: Update the GPU firmware/driver blob to the r43p0 or newer release
  4. For Android devices: Apply the latest security patch level which should include this fix
  5. Verify the fix by checking the driver version after update matches r43p0 or later
  6. Reboot the system to ensure the new driver is loaded
Caveat Review ARM Mali driver release notes for r43p0 for any compatibility changes or known issues before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

No vendor fix exists Mali Gpu Kernel Driver has not published a patch for this.

There is no version to upgrade to and no patch to apply. Every affected install stays exposed until the vendor ships a fix — or somebody else builds one.

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Scan for this in your stack

Free · runs locally
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-4295 in production — separate from our analysis above.

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What this is

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What belongs here
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