medium5.5
CVE-2021-47298
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 a…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 5.10 before 5.10.54 from 5.11 before 5.13.6 Version 5.14 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/6c508a1c6c62793dc6e6872cad4b200097bab7c9
- https://git.kernel.org/stable/c/715f378f42909c401ec043f5150c4fdf57fb8889
- https://git.kernel.org/stable/c/7e6b27a69167f97c56b5437871d29e9722c3e470
- https://git.kernel.org/stable/c/6c508a1c6c62793dc6e6872cad4b200097bab7c9
- https://git.kernel.org/stable/c/715f378f42909c401ec043f5150c4fdf57fb8889
- https://git.kernel.org/stable/c/7e6b27a69167f97c56b5437871d29e9722c3e470