CVE-2023-53077
drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes [WHY] When PTEBufferSizeInRequests is zero, UBSAN reports the following warning because dml_log2 returns an unexpected negative value: shift exponent 4294966273 is too large for 32-bit type 'int' [HOW] In the case PTEBufferSizeInRequests is zero, skip the dml_log2() and assign the result directly.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 2, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
6725a88f88a7e922e91c45bf83d320487810c192 < 7257070be70e19a9138f39009c1a26c83a8a7cfa 6725a88f88a7e922e91c45bf83d320487810c192 < bec1bea2fa974e63f6059c33edde669c7894d0bc 6725a88f88a7e922e91c45bf83d320487810c192 < a16394b5d661afec9a264fecac3abd87aea439ea 6725a88f88a7e922e91c45bf83d320487810c192 < e12b95680821b9880cd9992c0f3555389363604f 6725a88f88a7e922e91c45bf83d320487810c192 < 031f196d1b1b6d5dfcb0533b431e3ab1750e6189
Linux / Linux
5.9
References
git.kernel.org: https://git.kernel.org/stable/c/7257070be70e19a9138f39009c1a26c83a8a7cfa git.kernel.org: https://git.kernel.org/stable/c/bec1bea2fa974e63f6059c33edde669c7894d0bc git.kernel.org: https://git.kernel.org/stable/c/a16394b5d661afec9a264fecac3abd87aea439ea git.kernel.org: https://git.kernel.org/stable/c/e12b95680821b9880cd9992c0f3555389363604f git.kernel.org: https://git.kernel.org/stable/c/031f196d1b1b6d5dfcb0533b431e3ab1750e6189