Linux Kernel AMDV CN4 OOB Read Prevention IB Parsing
CVE-2026-46204 Published on May 28, 2026
drm/amdgpu/vcn4: Prevent OOB reads when parsing IB
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu/vcn4: Prevent OOB reads when parsing IB
Rewrite the IB parsing to use amdgpu_ib_get_value() which handles the
bounds checks.
Products Associated with CVE-2026-46204
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Affected Versions
Linux:- Version 0b15205c7325dc20b7da0068307670d222d66949 and below 1dc005775fb5b3f86464406452b17364f85581d3 is affected.
- Version 0b15205c7325dc20b7da0068307670d222d66949 and below d0802a8877d730260d4af4dd4e0b6cde7e0e593f is affected.
- Version 0b15205c7325dc20b7da0068307670d222d66949 and below a6d5563ba1f03a049561cd347574613167294e8d is affected.
- Version 0b15205c7325dc20b7da0068307670d222d66949 and below 5c3e8ebad0c9e2354ddfa8f2148dc4f70a3b4bd1 is affected.
- Version 0b15205c7325dc20b7da0068307670d222d66949 and below 2444eb0ec8283f4a3845eb7febad378476e1ba3c is affected.
- Version 6.0 is affected.
- Before 6.0 is unaffected.
- Version 6.6.140, <= 6.6.* is unaffected.
- Version 6.12.90, <= 6.12.* is unaffected.
- Version 6.18.32, <= 6.18.* is unaffected.
- Version 7.0.9, <= 7.0.* is unaffected.
- Version 7.1, <= * is unaffected.
Exploit Probability
EPSS
0.13%
Percentile
2.96%
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.