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Message-ID: <2025050203-CVE-2023-53042-e4e8@gregkh> Date: Fri, 2 May 2025 17:55:07 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2023-53042: drm/amd/display: Do not set DRR on pipe Commit From: Greg Kroah-Hartman <gregkh@...nel.org> Description =========== In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Do not set DRR on pipe Commit [WHY] Writing to DRR registers such as OTG_V_TOTAL_MIN on the same frame as a pipe commit can cause underflow. The Linux kernel CVE team has assigned CVE-2023-53042 to this issue. Affected and fixed versions =========================== Fixed in 6.1.21 with commit f8080f1e300e7abcc03025ec8b5bab69ae98daaa Fixed in 6.2.8 with commit 3c20a098b507020936e02a98f4fbb924deeef44b Fixed in 6.3 with commit 56574f89dbd84004c3fd6485bcaafb5aa9b8be14 Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2023-53042 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/f8080f1e300e7abcc03025ec8b5bab69ae98daaa https://git.kernel.org/stable/c/3c20a098b507020936e02a98f4fbb924deeef44b https://git.kernel.org/stable/c/56574f89dbd84004c3fd6485bcaafb5aa9b8be14
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