NetSight
medium4.7

CVE-2022-49586

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_fastopen.

Impact

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.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 3.6 before 4.19.254
from 4.20 before 5.4.208
from 5.5 before 5.10.134
from 5.11 before 5.15.58
from 5.16 before 5.18.15
Version 5.19

Weakness classification

References