CVE-2022-49577

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49577
In the Linux kernel, the following vulnerability has been resolved: udp: Fix a data-race around sysctl_udp_l3mdev_accept. While reading sysctl_udp_l3mdev_accept, 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/3d72bb4188c708bb16758c60822fc4dda7a95174 Patch
https://git.kernel.org/stable/c/3f2ac2d6511bb0652abf4d7388d65bb9ff1c641c Patch
https://git.kernel.org/stable/c/cb0d28934ca10f99c47e2c6f451405d6c954fe48 Patch
https://git.kernel.org/stable/c/f39b03bd727a8fea62e82f10fe2e0d753b9930ff Patch
https://git.kernel.org/stable/c/fcaef69c79ec222e55643e666b80b221e70fa6a8 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:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:*
History

10 Mar 2025, 20:23

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 4.7
CWE CWE-362
First Time Linux linux Kernel
Linux
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: udp: Se ha corregido una ejecución de datos en torno a sysctl_udp_l3mdev_accept. Al leer sysctl_udp_l3mdev_accept, se puede modificar simultáneamente. Por lo tanto, debemos agregar READ_ONCE() a su lector.
References () https://git.kernel.org/stable/c/3d72bb4188c708bb16758c60822fc4dda7a95174 - () https://git.kernel.org/stable/c/3d72bb4188c708bb16758c60822fc4dda7a95174 - Patch
References () https://git.kernel.org/stable/c/3f2ac2d6511bb0652abf4d7388d65bb9ff1c641c - () https://git.kernel.org/stable/c/3f2ac2d6511bb0652abf4d7388d65bb9ff1c641c - Patch
References () https://git.kernel.org/stable/c/cb0d28934ca10f99c47e2c6f451405d6c954fe48 - () https://git.kernel.org/stable/c/cb0d28934ca10f99c47e2c6f451405d6c954fe48 - Patch
References () https://git.kernel.org/stable/c/f39b03bd727a8fea62e82f10fe2e0d753b9930ff - () https://git.kernel.org/stable/c/f39b03bd727a8fea62e82f10fe2e0d753b9930ff - Patch
References () https://git.kernel.org/stable/c/fcaef69c79ec222e55643e666b80b221e70fa6a8 - () https://git.kernel.org/stable/c/fcaef69c79ec222e55643e666b80b221e70fa6a8 - 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: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:*:*:*:*:*:*

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-2022-49577

Mitre link : CVE-2022-49577

CVE.ORG link : CVE-2022-49577

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-362

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