backlight: pm8941: Add NULL check in wled_configure()
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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/1be2000b703b02e149f8f2061054489f6c18c972
- https://git.kernel.org/stable/c/21528806560510458378ea52c37e35b0773afaea
- https://git.kernel.org/stable/c/4a715be3fe80b68fa55cb3569af3d294be101626
- https://git.kernel.org/stable/c/6a56446595730a5e3f06a30902e23cb037d28146
- https://git.kernel.org/stable/c/9d06ac32c202142da40904180f2669ed4f5073ac
- https://git.kernel.org/stable/c/e12d3e1624a02706cdd3628bbf5668827214fa33
- https://git.kernel.org/stable/c/fde314445332015273c8f51d2659885c606fe135
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38143.json
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-38143