CVE-2023-53077None▾ SunlitIn 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 ret…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
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.
Linux >= 6725a88f88a7e922e91c45bf83d320487810c192 < 7257070be70e19a9138f39009c1a26c83a8a7cfaLinux >= 6725a88f88a7e922e91c45bf83d320487810c192 < bec1bea2fa974e63f6059c33edde669c7894d0bcLinux >= 6725a88f88a7e922e91c45bf83d320487810c192 < a16394b5d661afec9a264fecac3abd87aea439eaLinux >= 6725a88f88a7e922e91c45bf83d320487810c192 < e12b95680821b9880cd9992c0f3555389363604fLinux >= 6725a88f88a7e922e91c45bf83d320487810c192 < 031f196d1b1b6d5dfcb0533b431e3ab1750e6189Linux 5.9Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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