CVE-2022-49637

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.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.7 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
LinuxCNA
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
VendorProductVersion
linuxlinux_kernel
5.2 ≤
𝑥
< 5.4.207
linuxlinux_kernel
5.5 ≤
𝑥
< 5.10.132
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.56
linuxlinux_kernel
5.16 ≤
𝑥
< 5.18.13
linuxlinux_kernel
5.19:rc1
linuxlinux_kernel
5.19:rc2
linuxlinux_kernel
5.19:rc3
linuxlinux_kernel
5.19:rc4
linuxlinux_kernel
5.19:rc5
linuxlinux_kernel
5.19:rc6
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.234-1
fixed
bookworm
6.1.123-1
fixed
bookworm (security)
6.1.128-1
fixed
trixie
6.12.12-1
fixed
sid
6.12.16-1
fixed
Common Weakness Enumeration
References
https://git.kernel.org/stable/c/190cd4ff128373271e065afb20f1d2247b3f10c3
https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2
https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0
https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916c
https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2