pinctrl: single: fix potential NULL 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: pinctrl: single: fix potential NULL dereference Added checking of pointer "function" in pcs_set_mux(). pinmux_generic_get_function() can return NULL and the pointer "function" was dereferenced without checking against NULL. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0024 15th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.14.306, 4.19.273, 5.4.232 +4
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 | 4.14.306, 4.19.273, 5.4.232, 5.10.168, 5.15.94, 6.1.12, 6.2 | Patch available | CNA |
- Linux VendorLinux Affected 4.11 and later Fixed in 4.14.306, 4.19.273, 5.4.232, 5.10.168, 5.15.94, 6.1.12, 6.2 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.11 to before 4.14.306; 4.15 to before 4.19.273; 4.20 to before 5.4.232; 5.5 to before 5.10.168; 5.11 to before 5.15.94; 5.16 to before 6.1.12 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:* | 6.2 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:* | 6.2 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:* | 6.2 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:* | 6.2 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:* | 6.2 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc6:*:*:*:*:*:* | 6.2 rc6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc7:*:*:*:*:*:* | 6.2 rc7 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.11 to before 4.14.306; 4.15 to before 4.19.273; 4.20 to before 5.4.232; 5.5 to before 5.10.168; 5.11 to before 5.15.94; 5.16 to before 6.1.12 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:* Versions 6.2 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:* Versions 6.2 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:* Versions 6.2 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:* Versions 6.2 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:* Versions 6.2 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc6:*:*:*:*:*:* Versions 6.2 rc6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc7:*:*:*:*:*:* Versions 6.2 rc7 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.14.306, 4.19.273, 5.4.232, 5.10.168, 5.15.94, 6.1.12, 6.2
Vendor assessments
Red Hat
Red Hat rating: Low. 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-2022-48708
- 2026-10-03 Alias added: GHSA-pqx6-2262-g74w
References
Patch 7
- https://git.kernel.org/stable/c/1177bdafe87cbe543a2dc48a9bbac265aa5864db
- https://git.kernel.org/stable/c/e671e63587c92b3fd767cf82e73129f6d5feeb33
- https://git.kernel.org/stable/c/2b763f7de108cb1a5ad5ed08e617d677341947cb
- https://git.kernel.org/stable/c/6e2a0521e4e84a2698f2da3950fb5c5496a4d208
- https://git.kernel.org/stable/c/71668706fbe7d20e6f172fa3287fa8aac1b56c26
- https://git.kernel.org/stable/c/bcc487001a15f71f103d102cba4ac8145d7a68f2
- https://git.kernel.org/stable/c/d2d73e6d4822140445ad4a7b1c6091e0f5fe703b
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- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2022-48708 · CVE Program
- CVE-2022-48708 · NVD
- FIRST EPSS
- GHSA-pqx6-2262-g74w · GitHub Advisory Database · CC BY 4.0
- CVE-2022-48708 · 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