tcp: Fix a data-race around sysctl_tcp_mtu_probe_floor.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.7epss 0.2%
exploitation probability
0.2%top 93% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix a data-race around sysctl_tcp_mtu_probe_floor.
While reading sysctl_tcp_mtu_probe_floor, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/033963b220633ed1602d458e7e4ac06afa9fefb2https://git.kernel.org/stable/c/8e92d4423615a5257d0d871fc067aa561f597debhttps://git.kernel.org/stable/c/cc36c37f5fe066c4708e623ead96dc8f57224bf5https://git.kernel.org/stable/c/d5bece4df6090395f891110ef52a6f82d16685dbhttps://git.kernel.org/stable/c/e2ecbf3f0aa88277d43908c53b99399d55729ff9