CVE-2022-49586

MEDIUM EPSS 7.4%
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. While reading sysctl_tcp_fastopen, 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
7.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-362

Affected Products 12

VendorProductVersionRange
linuxlinux_kernel*≥3.6  –  <4.19.254
linuxlinux_kernel*≥4.20  –  <5.4.208
linuxlinux_kernel*≥5.5  –  <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 6

  • git.kernel.org https://git.kernel.org/stable/c/03da610696a32578fc4f986479341ce9d430df08
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/22938534c611136f35e2ca545bb668073ca5ef49
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/25d53d858a6c0b89a6e69e376c2a57c4f4c2c8cc
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/448ab998947996a0a451f8229f19087964cf2670
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/539d9ab79eba3974b479cad61a8688c41fe62e12
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5a54213318c43f4009ae158347aa6016e3b9b55a
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/03da610696a32578fc4f986479341ce9d430df08
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/22938534c611136f35e2ca545bb668073ca5ef49
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/25d53d858a6c0b89a6e69e376c2a57c4f4c2c8cc
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/448ab998947996a0a451f8229f19087964cf2670
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/539d9ab79eba3974b479cad61a8688c41fe62e12
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5a54213318c43f4009ae158347aa6016e3b9b55a
    Patch