drm/panel: fix a possible null pointer dereference
Priority LOW 24CWE-476Published · Updated
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
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/panel: fix a possible null pointer dereference In versatile_panel_get_modes(), the return value of drm_mode_duplicate() is assigned to mode, which will lead to a NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00241 15th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.10.202, 5.15.140, 6.1.64 +3
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 | 4.17 and later | 5.10.202, 5.15.140, 6.1.64, 6.5.13, 6.6.3, 6.7 | Patch available | CNA |
- Linux VendorLinux Affected 4.17 and later Fixed in 5.10.202, 5.15.140, 6.1.64, 6.5.13, 6.6.3, 6.7 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 5.10.202; 5.11 to before 5.15.140; 5.16 to before 6.1.64; 6.2 to before 6.5.13; 6.6 to before 6.6.3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.10.202; 5.11 to before 5.15.140; 5.16 to before 6.1.64; 6.2 to before 6.5.13; 6.6 to before 6.6.3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.202, 5.15.140, 6.1.64, 6.5.13, 6.6.3, 6.7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-52821
- 2026-10-03 Alias added: GHSA-4hhf-xw7g-4fx9
References
Patch 6
- https://git.kernel.org/stable/c/c7dc0aca5962fb37dbea9769dd26ec37813faae1
- https://git.kernel.org/stable/c/2381f6b628b3214f07375e0adf5ce17093c31190
- https://git.kernel.org/stable/c/79813cd59398015867d51e6d7dcc14d287d4c402
- https://git.kernel.org/stable/c/4fa930ba046d20fc1899770396ee11e905fa96e4
- https://git.kernel.org/stable/c/8a9dd36fcb4f3906982b82593393578db4479992
- https://git.kernel.org/stable/c/924e5814d1f84e6fa5cb19c6eceb69f066225229
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Sources
- CVE-2023-52821 · CVE Program
- CVE-2023-52821 · NVD
- FIRST EPSS
- GHSA-4hhf-xw7g-4fx9 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-52821 · 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