CVE-2024-49917

MEDIUM EPSS 14.7%
Published Oct 21, 20241y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Oct 21, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL check for clk_mgr and clk_mgr->funcs in dcn30_init_hw This commit addresses a potential null pointer dereference issue in the `dcn30_init_hw` function. The issue could occur when `dc->clk_mgr` or `dc->clk_mgr->funcs` is null. The fix adds a check to ensure `dc->clk_mgr` and `dc->clk_mgr->funcs` is not null before accessing its functions. This prevents a potential null pointer dereference. Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn30/dcn30_hwseq.c:789 dcn30_init_hw() error: we previously assumed 'dc->clk_mgr' could be null (see line 628)

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 2

VendorProductVersionRange
linuxlinux_kernel* <6.10.14
linuxlinux_kernel*≥6.11  –  <6.11.3

References 6

  • git.kernel.org https://git.kernel.org/stable/c/205e3b96cc9aa9211fd2c849a16245cf236b2d36
  • git.kernel.org https://git.kernel.org/stable/c/23cb6139543580dc36743586ca86fbb3f7ab2c9d
  • git.kernel.org https://git.kernel.org/stable/c/5443c83eb8fd2f88c71ced38848fbf744d6206a2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/56c326577971adc3a230f29dfd3aa3abdd505f5d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cba7fec864172dadd953daefdd26e01742b71a6a
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/5443c83eb8fd2f88c71ced38848fbf744d6206a2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/56c326577971adc3a230f29dfd3aa3abdd505f5d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cba7fec864172dadd953daefdd26e01742b71a6a
    Patch