backlight: pm8941: Add NULL check in wled_configure()
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: backlight: pm8941: Add NULL check in wled_configure() devm_kasprintf() returns NULL when memory allocation fails. Currently, wled_configure() does not check for this case, which results in a NULL pointer dereference. Add NULL check after devm_kasprintf() to prevent this issue.
Why it matters now
EPSS 0.00208 10th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.10.239, 5.15.186, 6.1.142 +4
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.0 and later | 5.10.239, 5.15.186, 6.1.142, 6.6.94, 6.12.34, 6.15.3, 6.16 | Patch available | CNA |
- Linux VendorLinux Affected 5.0 and later Fixed in 5.10.239, 5.15.186, 6.1.142, 6.6.94, 6.12.34, 6.15.3, 6.16 Patch available CNA
CPE configurations NVD · 2
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.239, 5.15.186, 6.1.142, 6.6.94, 6.12.34, 6.15.3, 6.16
Vendor assessments
Red Hat
Not affected: 5 products
- Red Hat Enterprise Linux 10
- 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-2025-38143
- 2026-10-03 Alias added: GHSA-hcfh-8r6h-694x
References
Patch 7
- https://git.kernel.org/stable/c/6a56446595730a5e3f06a30902e23cb037d28146
- https://git.kernel.org/stable/c/9d06ac32c202142da40904180f2669ed4f5073ac
- https://git.kernel.org/stable/c/21528806560510458378ea52c37e35b0773afaea
- https://git.kernel.org/stable/c/fde314445332015273c8f51d2659885c606fe135
- https://git.kernel.org/stable/c/1be2000b703b02e149f8f2061054489f6c18c972
- https://git.kernel.org/stable/c/4a715be3fe80b68fa55cb3569af3d294be101626
- https://git.kernel.org/stable/c/e12d3e1624a02706cdd3628bbf5668827214fa33
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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-2025-38143 · CVE Program
- CVE-2025-38143 · NVD
- FIRST EPSS
- GHSA-hcfh-8r6h-694x · GitHub Advisory Database · CC BY 4.0
- CVE-2025-38143 · Red Hat security data · CC BY 4.0
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