Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: udp: Fix a data-race around sysctl_udp_l3mdev_accept. While reading sysctl_udp_l3mdev_accept, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.11, < 5.4.208 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/3d72bb4188c708bb16758c60822fc4dda7a95174Patch
- https://git.kernel.org/stable/c/3f2ac2d6511bb0652abf4d7388d65bb9ff1c641cPatch
- https://git.kernel.org/stable/c/cb0d28934ca10f99c47e2c6f451405d6c954fe48Patch
- https://git.kernel.org/stable/c/f39b03bd727a8fea62e82f10fe2e0d753b9930ffPatch
- https://git.kernel.org/stable/c/fcaef69c79ec222e55643e666b80b221e70fa6a8Patch
FAQ
What is CVE-2022-49577?
CVE-2022-49577 is a vulnerability with a CVSS score of 4.7 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: udp: Fix a data-race around sysctl_udp_l3mdev_accept. While reading sysctl_udp_l3mdev_accept, it can be changed concurrently. Thus...
How severe is CVE-2022-49577?
CVE-2022-49577 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-49577?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.