CVE-2023-53077 — drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes [WHY] When PTEBufferSizeInRequests is ze…
Published: 2025-05-02 · CVSS: Unscored
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7