Vulnerability · Published Jan 16, 2024 · Assigned by certcc
CVE-2023-4969GPU kernel implementations susceptible to memory leak
Medium 6.5
In plain English
A medium-severity security flaw in OpenCL from Khronos Group. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.2%top 32.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A GPU kernel can read sensitive data from another GPU kernel (even from another user or app) through an optimized GPU memory region called _local memory_ on various architectures.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | firmware-nonfree | no fix listed | DEBIAN-CVE-2023-4969 |
| Debian:13 | firmware-nonfree | 20240610-1 | DEBIAN-CVE-2023-4969 |
| Debian:14 | firmware-nonfree | 20240610-1 | DEBIAN-CVE-2023-4969 |
| Ubuntu:22.04:LTS | linux-firmware | no fix listed | UBUNTU-CVE-2023-4969 |
| Ubuntu:24.04:LTS | linux-firmware | no fix listed | UBUNTU-CVE-2023-4969 |
| Ubuntu:25.10 | linux-firmware | no fix listed | UBUNTU-CVE-2023-4969 |
| Ubuntu:26.04:LTS | linux-firmware | no fix listed | UBUNTU-CVE-2023-4969 |
| Ubuntu:26.10 | linux-firmware | no fix listed | UBUNTU-CVE-2023-4969 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Khronos Group | OpenCL | 3.0.11 – through 3.0.11 |
| Khronos Group | Vulkan | 1.3.224 – through 1.3.224 |