Memory leak vulnerability in Mali GPU Kernel Driver in Midgard GPU Kernel Driver all versions from r6p0 - r32p0, Bifrost GPU Kernel Driver a
Affects ARM Avalon GPU Kernel Driver r41p0 and r42p0, and Bifrost and Valhall GPU Kernel Drivers before r43p0. Fixed in r43p0.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in r43p0
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The vulnerability affects Arm Mali GPU kernel drivers (Midgard, Bifrost, Valhall, and Avalon families) used in devices with these GPUs. It allows a non-privileged user to expose sensitive kernel metadata through normal GPU processing operations, which could reveal information that should be restricted.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
Memory leak vulnerability in Mali GPU Kernel Driver in Midgard GPU Kernel Driver all versions from r6p0 - r32p0, Bifrost GPU Kernel Driver all versions from r0p0 - r42p0, Valhall GPU Kernel Driver all versions from r19p0 - r42p0, and Avalon GPU Kernel Driver all versions from r41p0 - r42p0 allows a non-privileged user to make valid GPU processing operations that expose sensitive kernel metadata.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
Affected versions
- n/a n/a
Version range not reported
References 3
developer.arm.com
cybersecurity-help.cz
Questions about CVE-2023-26083
What does this mean?
A memory leak in the GPU kernel driver lets a local application gain access to sensitive information. The attacker must be able to run code locally on the device.Source: cybersecurity-help.cz, cybersecurity-help.cz
Am I affected, and how do I check?
The Avalon GPU Kernel Driver versions r41p0 and r42p0 are listed as affected, as are Bifrost and Valhall GPU Kernel Drivers before r43p0. To check, compare the installed GPU kernel driver version against these ranges.Source: cybersecurity-help.cz, cybersecurity-help.cz
What should I do about it?
Update the GPU kernel driver to r43p0, which the advisory names as the fix for Valhall.Source: cybersecurity-help.cz, cybersecurity-help.cz
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2023-04-07, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data