Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: devlink: fix netns refcount leak in devlink_nl_cmd_reload() While preparing my patch series adding netns refcount tracking, I spotted bugs in devlink_nl_cmd_reload() Some error paths forgot to release a refcount on a netns. To fix this, we can reduce the scope of get_net()/put_net() section around the call to devlink_reload().
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.10, < 5.10.85 |
References
- https://git.kernel.org/stable/c/4b7e90672af8e0c78205db006f1b0a20ebd07f5fPatch
- https://git.kernel.org/stable/c/4dbb0dad8e63fcd0b5a117c2861d2abe7ff5f186Patch
- https://git.kernel.org/stable/c/fe30b70ca84da9c4aca85c03ad86e7a9b89c5dedPatch
- https://git.kernel.org/stable/c/4b7e90672af8e0c78205db006f1b0a20ebd07f5fPatch
- https://git.kernel.org/stable/c/4dbb0dad8e63fcd0b5a117c2861d2abe7ff5f186Patch
- https://git.kernel.org/stable/c/fe30b70ca84da9c4aca85c03ad86e7a9b89c5dedPatch
FAQ
What is CVE-2021-47514?
CVE-2021-47514 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: devlink: fix netns refcount leak in devlink_nl_cmd_reload() While preparing my patch series adding netns refcount tracking, I spot...
How severe is CVE-2021-47514?
CVE-2021-47514 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47514?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.