CVE-2024-26647

MEDIUM

Linux Kernel < 6.6.15, 6.7.0-6.7.2, 6.8 - NULL Pointer Dereference in link_set_dsc_pps_packet

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix late derefrence 'dsc' check in 'link_set_dsc_pps_packet()' In link_set_dsc_pps_packet(), 'struct display_stream_compressor *dsc' was dereferenced in a DC_LOGGER_INIT(dsc->ctx->logger); before the 'dsc' NULL pointer check. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dpms.c:905 link_set_dsc_pps_packet() warn: variable dereferenced before check 'dsc' (see line 903)

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/6aa5ede6665122f4c8abce3c6eba06b49e54d25c

Patch

https://git.kernel.org/stable/c/cf656fc7276e5b3709a81bc9d9639459be2b2647

Patch

https://git.kernel.org/stable/c/3bb9b1f958c3d986ed90a3ff009f1e77e9553207

Scores

CVSS v3 5.5

EPSS 0.0022

EPSS Percentile 12.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (11)

linux/Kernel 6.3.0 - 6.6.15linux

linux/Kernel 6.7.0 - 6.7.3linux

Linux/Linux < 6.3

Linux/Linux 6.3

Linux/Linux 6.6.15 - 6.6.*

Linux/Linux 6.7.3 - 6.7.*

Linux/Linux 6.8

Linux/Linux 6ca7415f11af5200ab10bd420b513f846e9bfb99 - 3bb9b1f958c3d986ed90a3ff009f1e77e9553207

Linux/Linux 6ca7415f11af5200ab10bd420b513f846e9bfb99 - 6aa5ede6665122f4c8abce3c6eba06b49e54d25c

Linux/Linux 6ca7415f11af5200ab10bd420b513f846e9bfb99 - cf656fc7276e5b3709a81bc9d9639459be2b2647

... and 1 more

Published Mar 26, 2024

Tracked Since Feb 18, 2026