CVE-2024-45015

MEDIUM

Linux Kernel 4.19-6.10.7 - NULL Pointer Dereference in DRM MSM DPU Encoder

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: move dpu_encoder's connector assignment to atomic_enable() For cases where the crtc's connectors_changed was set without enable/active getting toggled , there is an atomic_enable() call followed by an atomic_disable() but without an atomic_mode_set(). This results in a NULL ptr access for the dpu_encoder_get_drm_fmt() call in the atomic_enable() as the dpu_encoder's connector was cleared in the atomic_disable() but not re-assigned as there was no atomic_mode_set() call. Fix the NULL ptr access by moving the assignment for atomic_enable() and also use drm_atomic_get_new_connector_for_encoder() to get the connector from the atomic_state. Patchwork: https://patchwork.freedesktop.org/patch/606729/

Scores

CVSS v3 5.5
EPSS 0.0021
EPSS Percentile 10.9%
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 (12)
linux/Kernel 4.19.0 - 6.6.48linux
linux/Kernel 6.7.0 - 6.10.7linux
Linux/Linux < 4.19
Linux/Linux 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef - 3bacf814b6a61cc683c68465f175ebd938f09c52
Linux/Linux 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef - 3fb61718bcbe309279205d1cc275a6435611dc77
Linux/Linux 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef - aedf02e46eb549dac8db4821a6b9f0c6bf6e3990
Linux/Linux 4.19
Linux/Linux 6.10.7 - 6.10.*
Linux/Linux 6.11
Linux/Linux 6.6.48 - 6.6.*
... and 2 more
Published Sep 11, 2024
Tracked Since Feb 18, 2026