{"id":"CVE-2023-53258","summary":"drm/amd/display: Fix possible underflow for displays with large vblank","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix possible underflow for displays with large vblank\n\n[Why]\nUnderflow observed when using a display with a large vblank region\nand low refresh rate\n\n[How]\nSimplify calculation of vblank_nom\n\nIncrease value for VBlankNomDefaultUS to 800us","modified":"2026-03-20T12:33:04.146733Z","published":"2025-09-15T14:46:29.867Z","related":["SUSE-SU-2025:03600-1","SUSE-SU-2025:03615-1","SUSE-SU-2025:03634-1","SUSE-SU-2025:20851-1","SUSE-SU-2025:20861-1","SUSE-SU-2025:20870-1","SUSE-SU-2025:20898-1","SUSE-SU-2025:3751-1","SUSE-SU-2025:3761-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4141-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53258.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1a4bcdbea4319efeb26cc4b05be859a7867e02dc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/64bc8e10c87adf60b2d32aacf3afb288e51d5a62"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d5741133e6e2f304b40ca1da0e16f62af06f4d22"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53258.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53258"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4c3861f587400db00801810eb8034c7b480e21dd"},{"fixed":"d5741133e6e2f304b40ca1da0e16f62af06f4d22"},{"fixed":"64bc8e10c87adf60b2d32aacf3afb288e51d5a62"},{"fixed":"1a4bcdbea4319efeb26cc4b05be859a7867e02dc"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53258.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}