CVE-2022-49630

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49630
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.

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

11 Mar 2025, 22:37

Type Values Removed Values Added
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/12b8d9ca7e678abc48195294494f1815b555d658 - () https://git.kernel.org/stable/c/12b8d9ca7e678abc48195294494f1815b555d658 - Patch
References () https://git.kernel.org/stable/c/1ec3d6c2626ee6e1b36b7bd006873a271406ba61 - () https://git.kernel.org/stable/c/1ec3d6c2626ee6e1b36b7bd006873a271406ba61 - Patch
References () https://git.kernel.org/stable/c/8bcf7339f2cf70ea4461df6ea045d1aadfabfa11 - () https://git.kernel.org/stable/c/8bcf7339f2cf70ea4461df6ea045d1aadfabfa11 - Patch
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: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:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 4.7
CWE CWE-362
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tcp: Se ha corregido una ejecución de datos en torno a sysctl_tcp_ecn_fallback. Al leer sysctl_tcp_ecn_fallback, se puede modificar simultáneamente. Por lo tanto, debemos agregar READ_ONCE() a su lector.

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-03-11 22:37

NVD link : CVE-2022-49630

Mitre link : CVE-2022-49630

CVE.ORG link : CVE-2022-49630

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-362

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