CVE-2024-49905

MEDIUM EPSS 14.7%
Published Oct 21, 20241y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Oct 21, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null check for 'afb' in amdgpu_dm_plane_handle_cursor_update (v2) This commit adds a null check for the 'afb' variable in the amdgpu_dm_plane_handle_cursor_update function. Previously, 'afb' was assumed to be null, but was used later in the code without a null check. This could potentially lead to a null pointer dereference. Changes since v1: - Moved the null check for 'afb' to the line where 'afb' is used. (Alex) Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_plane.c:1298 amdgpu_dm_plane_handle_cursor_update() error: we previously assumed 'afb' could be null (see line 1252)

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
14.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel* <6.1.113
linuxlinux_kernel*≥6.2  –  <6.6.55
linuxlinux_kernel*≥6.7  –  <6.10.14
linuxlinux_kernel*≥6.11  –  <6.11.3

References 6

  • git.kernel.org https://git.kernel.org/stable/c/75839e2365b666ff4e1b9047e442cab138eac4f6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9132882eaae4d21d2fc5843b3308379a481ebdf0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bd0e24e5e608ccb9fdda300bb974496d6d8cf57d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cd9e9e0852d501f169aa3bb34e4b413d2eb48c37
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e4e26cbe34d7c1c1db5fb7b3101573c29866439f
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/75839e2365b666ff4e1b9047e442cab138eac4f6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9132882eaae4d21d2fc5843b3308379a481ebdf0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bd0e24e5e608ccb9fdda300bb974496d6d8cf57d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cd9e9e0852d501f169aa3bb34e4b413d2eb48c37
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e4e26cbe34d7c1c1db5fb7b3101573c29866439f
    Patch