wifi: wcn36xx: fix channel survey memory allocation size
In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix channel survey memory allocation size KASAN reported a memory allocation issue in wcn->chan_survey due to incorrect size calculation. This commit uses kcalloc to allocate memory for wcn->chan_survey, ensuring proper initialization and preventing the use of uninitialized values when there are no frames on the channel.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix channel survey memory allocation size KASAN reported a memory allocation issue in wcn->chan_survey due to incorrect size calculation. This commit uses kcalloc to allocate memory for wcn->chan_survey, ensuring proper initialization and preventing the use of uninitialized values when there are no frames on the channel.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/34cd2817708aec51ef1a6c007e0d6d5342a025d7
- https://git.kernel.org/stable/c/6200d947f050efdba4090dfefd8a01981363d954
- https://git.kernel.org/stable/c/64c4dcaeac1dc1030e47883b04a617ca9a4f164e
- https://git.kernel.org/stable/c/ae68efdff7a7a42ab251cac79d8713de6f0dbaa0
- https://git.kernel.org/stable/c/e95f9c408ff8311f75eeabc8acf34a66670d8815
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/57xxx/CVE-2024-57997.json
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
- https://nvd.nist.gov/vuln/detail/CVE-2024-57997