Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_fastopen. While reading sysctl_tcp_fastopen, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.6, < 4.19.254 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/03da610696a32578fc4f986479341ce9d430df08Patch
- https://git.kernel.org/stable/c/22938534c611136f35e2ca545bb668073ca5ef49Patch
- https://git.kernel.org/stable/c/25d53d858a6c0b89a6e69e376c2a57c4f4c2c8ccPatch
- https://git.kernel.org/stable/c/448ab998947996a0a451f8229f19087964cf2670Patch
- https://git.kernel.org/stable/c/539d9ab79eba3974b479cad61a8688c41fe62e12Patch
- https://git.kernel.org/stable/c/5a54213318c43f4009ae158347aa6016e3b9b55aPatch
FAQ
What is CVE-2022-49586?
CVE-2022-49586 is a vulnerability with a CVSS score of 4.7 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_fastopen. While reading sysctl_tcp_fastopen, it can be changed concurrently. Thus, we need t...
How severe is CVE-2022-49586?
CVE-2022-49586 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-2022-49586?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.