CVE-2022-49586

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49586
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.

4.7 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

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

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:*
History

10 Mar 2025, 20:23

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tcp: Se han corregido las ejecuciones de datos en torno a sysctl_tcp_fastopen. Al leer sysctl_tcp_fastopen, se puede modificar simultáneamente. Por lo tanto, debemos agregar READ_ONCE() a sus lectores.
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 4.7
CWE CWE-362
References () https://git.kernel.org/stable/c/03da610696a32578fc4f986479341ce9d430df08 - () https://git.kernel.org/stable/c/03da610696a32578fc4f986479341ce9d430df08 - Patch
References () https://git.kernel.org/stable/c/22938534c611136f35e2ca545bb668073ca5ef49 - () https://git.kernel.org/stable/c/22938534c611136f35e2ca545bb668073ca5ef49 - Patch
References () https://git.kernel.org/stable/c/25d53d858a6c0b89a6e69e376c2a57c4f4c2c8cc - () https://git.kernel.org/stable/c/25d53d858a6c0b89a6e69e376c2a57c4f4c2c8cc - Patch
References () https://git.kernel.org/stable/c/448ab998947996a0a451f8229f19087964cf2670 - () https://git.kernel.org/stable/c/448ab998947996a0a451f8229f19087964cf2670 - Patch
References () https://git.kernel.org/stable/c/539d9ab79eba3974b479cad61a8688c41fe62e12 - () https://git.kernel.org/stable/c/539d9ab79eba3974b479cad61a8688c41fe62e12 - Patch
References () https://git.kernel.org/stable/c/5a54213318c43f4009ae158347aa6016e3b9b55a - () https://git.kernel.org/stable/c/5a54213318c43f4009ae158347aa6016e3b9b55a - Patch
First Time Linux linux Kernel
Linux

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-03-10 20:23

NVD link : CVE-2022-49586

Mitre link : CVE-2022-49586

CVE.ORG link : CVE-2022-49586

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')