drm/client: fix null pointer dereference in drm_client_modeset_probe
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/client: fix null pointer dereference in drm_client_modeset_probe In drm_client_modeset_probe(), the return value of drm_mode_duplicate() is assigned to modeset->mode, which will lead to a possible NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.3 and later | 5.4.282, 5.10.224, 5.15.165, 6.1.105, 6.6.46, 6.10.5, 6.11 | Patch available | CNA |
- Linux VendorLinux Affected 5.3 and later Fixed in 5.4.282, 5.10.224, 5.15.165, 6.1.105, 6.6.46, 6.10.5, 6.11 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.3 to before 5.4.282; 5.5 to before 5.10.224; 5.11 to before 5.15.165; 5.16 to before 6.1.105; 6.2 to before 6.6.46; 6.7 to before 6.10.5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:* | 6.11 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:* | 6.11 rc2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.3 to before 5.4.282; 5.5 to before 5.10.224; 5.11 to before 5.15.165; 5.16 to before 6.1.105; 6.2 to before 6.6.46; 6.7 to before 6.10.5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:* Versions 6.11 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:* Versions 6.11 rc2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.282, 5.10.224, 5.15.165, 6.1.105, 6.6.46, 6.10.5, 6.11
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2024-43894
- 2026-10-03 Alias added: GHSA-5xmq-m54x-chjm
References
Patch 7
- https://git.kernel.org/stable/c/24ddda932c43ffe156c7f3c568bed85131c63ae6
- https://git.kernel.org/stable/c/5291d4f73452c91e8a11f71207617e3e234d418e
- https://git.kernel.org/stable/c/c763dfe09425152b6bb0e348900a637c62c2ce52
- https://git.kernel.org/stable/c/d64847c383100423aecb6ac5f18be5f4316d9d62
- https://git.kernel.org/stable/c/d64fc94f7bb24fc2be0d6bd5df8df926da461a6d
- https://git.kernel.org/stable/c/612cae53e99ce32a58cb821b3b67199eb6e92dff
- https://git.kernel.org/stable/c/113fd6372a5bb3689aba8ef5b8a265ed1529a78f
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Sources
- CVE-2024-43894 · CVE Program
- CVE-2024-43894 · NVD
- FIRST EPSS
- GHSA-5xmq-m54x-chjm · GitHub Advisory Database · CC BY 4.0
- CVE-2024-43894 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences