CVE-2022-49637

ipv4: Fix a data-race around sysctl_fib_sync_mem.

Medium · published February 26, 2025

CVSS v3.1
4.7
EPSS
0%
Percentile
7.2
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

ipv4: Fix a data-race around sysctl_fib_sync_mem.

While reading sysctl_fib_sync_mem, it can be changed concurrently.

So, we need to add READ_ONCE() to avoid a data-race.

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00180 · 7.2th percentile
Published
2025-02-26T02:23Z
EPSS history
Timeline
  • 26 FEB 02:23Z
    ipv4: Fix a data-race around sysctl_fib_sync_mem.
    cvelistv5