PT-2025-18841 · Linux+5 · Linux Kernel+5

Published 2023-11-07 · Updated 2026-01-28 · CVE-2023-53077

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A shift-out-of-bounds issue has been resolved in the Linux kernel, specifically in the drm/amd/display component, related to the CalculateVMAndRowBytes function. This issue occurs when PTEBufferSizeInRequests is zero, causing UBSAN to report a warning due to an unexpected negative value returned by dml log2. The warning indicates that the shift exponent is too large for a 32-bit type 'int'. To address this, the code now skips the dml log2 call and assigns the result directly when PTEBufferSizeInRequests is zero.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALSA-2025_16880

CESA-2023_7077

CVE-2023-53077

RHSA-2023:6583

RHSA-2023:7077

RHSA-2023_6583

RHSA-2023_7077

SUSE-SU-2025:01918-1

SUSE-SU-2025:01966-1

SUSE-SU-2025:02173-1

SUSE-SU-2025:02262-1

SUSE-SU-2025:2173-1

SUSE-SU-2025_02173-1

SUSE-SU-2025_02262-1

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Red Os

Suse

References · 450

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53077.json · Exploit
• https://git.kernel.org/stable/c/031f196d1b1b6d5dfcb0533b431e3ab1750e6189 · Patch
• https://git.kernel.org/stable/c/bec1bea2fa974e63f6059c33edde669c7894d0bc · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53077 · Vendor Advisory
• https://git.kernel.org/stable/c/7257070be70e19a9138f39009c1a26c83a8a7cfa · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:01966-1 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53077 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53077 · Security Note
• https://git.kernel.org/stable/c/e12b95680821b9880cd9992c0f3555389363604f · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02262-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01918-1 · Vendor Advisory
• https://git.kernel.org/stable/c/a16394b5d661afec9a264fecac3abd87aea439ea · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53077 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53077 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02173-1 · Vendor Advisory