Vulnerabilities > CVE-2021-47298 - Memory Leak vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix potential memory leak on unlikely error case If skb_linearize is needed and fails we could leak a msg on the error handling. To fix ensure we kfree the msg block before returning error. Found during code review.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/6c508a1c6c62793dc6e6872cad4b200097bab7c9
- https://git.kernel.org/stable/c/6c508a1c6c62793dc6e6872cad4b200097bab7c9
- https://git.kernel.org/stable/c/715f378f42909c401ec043f5150c4fdf57fb8889
- https://git.kernel.org/stable/c/715f378f42909c401ec043f5150c4fdf57fb8889
- https://git.kernel.org/stable/c/7e6b27a69167f97c56b5437871d29e9722c3e470
- https://git.kernel.org/stable/c/7e6b27a69167f97c56b5437871d29e9722c3e470