{"cve":"CVE-2023-53077","nvd":{"published":"2025-05-02T16:15:26.720","modified":"2026-06-17T06:44:14.983","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes\n\n[WHY]\nWhen PTEBufferSizeInRequests is zero, UBSAN reports the following\nwarning because dml_log2 returns an unexpected negative value:\n\n  shift exponent 4294966273 is too large for 32-bit type 'int'\n\n[HOW]\n\nIn the case PTEBufferSizeInRequests is zero, skip the dml_log2() and\nassign the result directly.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-787"],"references":["https://git.kernel.org/stable/c/031f196d1b1b6d5dfcb0533b431e3ab1750e6189","https://git.kernel.org/stable/c/7257070be70e19a9138f39009c1a26c83a8a7cfa","https://git.kernel.org/stable/c/a16394b5d661afec9a264fecac3abd87aea439ea","https://git.kernel.org/stable/c/bec1bea2fa974e63f6059c33edde669c7894d0bc","https://git.kernel.org/stable/c/e12b95680821b9880cd9992c0f3555389363604f"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2023-53077","score":0.00212,"percentile":0.11531,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}