CVE-2022-49585

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49585
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.

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/021266ec640c7a4527e6cd4b7349a512b351de1d Patch
https://git.kernel.org/stable/c/0dc2f19d8c2636cebda7976b5ea40c6d69f0d891 Patch
https://git.kernel.org/stable/c/8afa5604e295046c02b79ccf9e2bbbf8d969d60e Patch
https://git.kernel.org/stable/c/a77a75a0e7f397550ab039f96115103e78dd5c69 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: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
CWE CWE-362
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 4.7
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_blackhole_timeout. Al leer sysctl_tcp_fastopen_blackhole_timeout, se puede modificar simultáneamente. Por lo tanto, debemos agregar READ_ONCE() a sus lectores.
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:*:*:*:*:*:*
References () https://git.kernel.org/stable/c/021266ec640c7a4527e6cd4b7349a512b351de1d - () https://git.kernel.org/stable/c/021266ec640c7a4527e6cd4b7349a512b351de1d - Patch
References () https://git.kernel.org/stable/c/0dc2f19d8c2636cebda7976b5ea40c6d69f0d891 - () https://git.kernel.org/stable/c/0dc2f19d8c2636cebda7976b5ea40c6d69f0d891 - Patch
References () https://git.kernel.org/stable/c/8afa5604e295046c02b79ccf9e2bbbf8d969d60e - () https://git.kernel.org/stable/c/8afa5604e295046c02b79ccf9e2bbbf8d969d60e - Patch
References () https://git.kernel.org/stable/c/a77a75a0e7f397550ab039f96115103e78dd5c69 - () https://git.kernel.org/stable/c/a77a75a0e7f397550ab039f96115103e78dd5c69 - 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-2022-49585

Mitre link : CVE-2022-49585

CVE.ORG link : CVE-2022-49585

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-362

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