pinctrl: single: fix potential NULL dereference in pcs_get_function()
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: pinctrl: single: fix potential NULL dereference in pcs_get_function() pinmux_generic_get_function() can return NULL and the pointer 'function' was dereferenced without checking against NULL. Add checking of pointer 'function' in pcs_get_function(). Found by code review.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00259 17th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.19.321, 5.4.283, 5.10.225 +5
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 | 4.11 and later | 4.19.321, 5.4.283, 5.10.225, 5.15.166, 6.1.108, 6.6.49, 6.10.8, 6.11 | Patch available | CNA |
- Linux VendorLinux Affected 4.11 and later Fixed in 4.19.321, 5.4.283, 5.10.225, 5.15.166, 6.1.108, 6.6.49, 6.10.8, 6.11 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.11 to before 4.19.321; 4.20 to before 5.4.283; 5.5 to before 5.10.225; 5.11 to before 5.15.166; 5.16 to before 6.1.108; 6.2 to before 6.6.49; 6.7 to before 6.10.8 | 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:6.11:rc3:*:*:*:*:*:* | 6.11 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:* | 6.11 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:* | 6.11 rc5 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.11 to before 4.19.321; 4.20 to before 5.4.283; 5.5 to before 5.10.225; 5.11 to before 5.15.166; 5.16 to before 6.1.108; 6.2 to before 6.6.49; 6.7 to before 6.10.8 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
- cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:* Versions 6.11 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:* Versions 6.11 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:* Versions 6.11 rc5 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.321, 5.4.283, 5.10.225, 5.15.166, 6.1.108, 6.6.49, 6.10.8, 6.11
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-2024-46685
- 2026-10-03 Alias added: GHSA-fp3g-r7j4-vr8g
References
Patch 8
- https://git.kernel.org/stable/c/0a2bab5ed161318f57134716accba0a30f3af191
- https://git.kernel.org/stable/c/2cea369a5c2e85ab14ae716da1d1cc6d25c85e11
- https://git.kernel.org/stable/c/4e9436375fcc9bd2a60ee96aba6ed53f7a377d10
- https://git.kernel.org/stable/c/6341c2856785dca7006820b127278058a180c075
- https://git.kernel.org/stable/c/8f0bd526921b6867c2f10a83cd4fd14139adcd92
- https://git.kernel.org/stable/c/4ed45fe99ec9e3c9478bd634624cd05a57d002f7
- https://git.kernel.org/stable/c/292151af6add3e5ab11b2e9916cffa5f52859a1f
- https://git.kernel.org/stable/c/1c38a62f15e595346a1106025722869e87ffe044
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Sources
- CVE-2024-46685 · CVE Program
- CVE-2024-46685 · NVD
- FIRST EPSS
- GHSA-fp3g-r7j4-vr8g · GitHub Advisory Database · CC BY 4.0
- CVE-2024-46685 · 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