CVE-2022-49637

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49637
In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a data-race around sysctl_fib_sync_mem. While reading sysctl_fib_sync_mem, it can be changed concurrently. So, we need to add READ_ONCE() to avoid a data-race.

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/190cd4ff128373271e065afb20f1d2247b3f10c3 Patch
https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2 Patch
https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0 Patch
https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916c Patch
https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2 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: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, 22:31

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: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:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 4.7
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ipv4: Se ha corregido una ejecución de datos en torno a sysctl_fib_sync_mem. Al leer sysctl_fib_sync_mem, se puede modificar simultáneamente. Por lo tanto, debemos agregar READ_ONCE() para evitar una ejecución de datos.
CWE CWE-362
References () https://git.kernel.org/stable/c/190cd4ff128373271e065afb20f1d2247b3f10c3 - () https://git.kernel.org/stable/c/190cd4ff128373271e065afb20f1d2247b3f10c3 - Patch
References () https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2 - () https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2 - Patch
References () https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0 - () https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0 - Patch
References () https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916c - () https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916c - Patch
References () https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2 - () https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2 - Patch

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-03-11 22:31

NVD link : CVE-2022-49637

Mitre link : CVE-2022-49637

CVE.ORG link : CVE-2022-49637

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-362

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