selinux: fix memleak in security_read_state_kernel()
In the Linux kernel, the following vulnerability has been resolved: selinux: fix memleak in security_read_state_kernel() In this function, it directly returns the result of __security_read_policy without freeing the allocated memory in *data, cause memory leak issue, so free the memory if __security_read_policy failed. [PM: subject line tweak]
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: selinux: fix memleak in security_read_state_kernel() In this function, it directly returns the result of __security_read_policy without freeing the allocated memory in *data, cause memory leak issue, so free the memory if __security_read_policy failed. [PM: subject line tweak]
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/1fc1f72aad2070d34022d0823e4cf09706b53f25
- https://git.kernel.org/stable/c/73de1befcc53a7c68b0c5e76b9b5ac41c517760f
- https://git.kernel.org/stable/c/c877c5217145bda8fd95f506bf42f8d981afa57d
- https://git.kernel.org/stable/c/f3cd7562c0a6774fc62d79654482014020e574f5
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50201.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-50201