CVE-2022-49585

MEDIUM EPSS 7.3%
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 data-races around sysctl_tcp_fastopen_blackhole_timeout. While reading sysctl_tcp_fastopen_blackhole_timeout, 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 10

VendorProductVersionRange
linuxlinux_kernel*≥4.12  –  <5.10.134
linuxlinux_kernel*≥5.11  –  <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 4

  • git.kernel.org https://git.kernel.org/stable/c/021266ec640c7a4527e6cd4b7349a512b351de1d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0dc2f19d8c2636cebda7976b5ea40c6d69f0d891
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8afa5604e295046c02b79ccf9e2bbbf8d969d60e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a77a75a0e7f397550ab039f96115103e78dd5c69
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/021266ec640c7a4527e6cd4b7349a512b351de1d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0dc2f19d8c2636cebda7976b5ea40c6d69f0d891
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8afa5604e295046c02b79ccf9e2bbbf8d969d60e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a77a75a0e7f397550ab039f96115103e78dd5c69
    Patch