CVE-2022-49630

MEDIUM EPSS 5.9%
Published Feb 26, 20251y ago · Modified Jun 17, 20261w ago
4.7 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_ecn_fallback. While reading sysctl_tcp_ecn_fallback, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.

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
5.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-362

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥4.2  –  <5.15.56
linuxlinux_kernel*≥5.16  –  <5.18.13
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/12b8d9ca7e678abc48195294494f1815b555d658
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1ec3d6c2626ee6e1b36b7bd006873a271406ba61
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8bcf7339f2cf70ea4461df6ea045d1aadfabfa11
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/12b8d9ca7e678abc48195294494f1815b555d658
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1ec3d6c2626ee6e1b36b7bd006873a271406ba61
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8bcf7339f2cf70ea4461df6ea045d1aadfabfa11
    Patch