CVE-2022-49579

MEDIUM EPSS 7.3%
Published Feb 26, 20251y ago · Modified Jun 17, 20262w ago
4.7 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix data-races around sysctl_fib_multipath_hash_policy. While reading sysctl_fib_multipath_hash_policy, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.

CVSS Details

Base Score
4.7
Exploitability
1.0
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
7.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-362

Affected Products 9

VendorProductVersionRange
linuxlinux_kernel*≥4.12  –  <5.15.58
linuxlinux_kernel*≥5.16  –  <5.18.15
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any

References 3

  • git.kernel.org https://git.kernel.org/stable/c/21fb844bc1dc1461f5038d655aa1a14f39e13049
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7998c12a08c97cc26660532c9f90a34bd7d8da5a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/918ee6592ab9a2ff5316d06cfd4aaef60ccabec6
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/21fb844bc1dc1461f5038d655aa1a14f39e13049
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7998c12a08c97cc26660532c9f90a34bd7d8da5a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/918ee6592ab9a2ff5316d06cfd4aaef60ccabec6
    Patch