CVE-2022-49442

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49442
In the Linux kernel, the following vulnerability has been resolved: drivers/base/node.c: fix compaction sysfs file leak Compaction sysfs file is created via compaction_register_node in register_node. But we forgot to remove it in unregister_node. Thus compaction sysfs file is leaked. Using compaction_unregister_node to fix this issue.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

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/386e69e068177ee91cac27f2f0e6ebda1515f5ca Patch
https://git.kernel.org/stable/c/39642b0feddb9c39faa6de469a94bfeb4dc0d3a9 Patch
https://git.kernel.org/stable/c/466134df7561aeb801baddf6666b512e0e1a1707 Patch
https://git.kernel.org/stable/c/606732650a2c88e66c59c22dd5464ea0d820250e Patch
https://git.kernel.org/stable/c/6905be93d1ab54f73718047536fec0ca488d5315 Patch
https://git.kernel.org/stable/c/b3fcf1f583b1a0946d9d9bfb7362c9c186801775 Patch
https://git.kernel.org/stable/c/d8a5bdc767f17281da648555cdbd286f98fd98ee Patch
https://git.kernel.org/stable/c/da63dc84befaa9e6079a0bc363ff0eaa975f9073 Patch
https://git.kernel.org/stable/c/f76ddc8fcf6d81fe89bfa4d3efcbc4fe69a91d48 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:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

22 Oct 2025, 17:25

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
First Time Linux linux Kernel
Linux
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
References () https://git.kernel.org/stable/c/386e69e068177ee91cac27f2f0e6ebda1515f5ca - () https://git.kernel.org/stable/c/386e69e068177ee91cac27f2f0e6ebda1515f5ca - Patch
References () https://git.kernel.org/stable/c/39642b0feddb9c39faa6de469a94bfeb4dc0d3a9 - () https://git.kernel.org/stable/c/39642b0feddb9c39faa6de469a94bfeb4dc0d3a9 - Patch
References () https://git.kernel.org/stable/c/466134df7561aeb801baddf6666b512e0e1a1707 - () https://git.kernel.org/stable/c/466134df7561aeb801baddf6666b512e0e1a1707 - Patch
References () https://git.kernel.org/stable/c/606732650a2c88e66c59c22dd5464ea0d820250e - () https://git.kernel.org/stable/c/606732650a2c88e66c59c22dd5464ea0d820250e - Patch
References () https://git.kernel.org/stable/c/6905be93d1ab54f73718047536fec0ca488d5315 - () https://git.kernel.org/stable/c/6905be93d1ab54f73718047536fec0ca488d5315 - Patch
References () https://git.kernel.org/stable/c/b3fcf1f583b1a0946d9d9bfb7362c9c186801775 - () https://git.kernel.org/stable/c/b3fcf1f583b1a0946d9d9bfb7362c9c186801775 - Patch
References () https://git.kernel.org/stable/c/d8a5bdc767f17281da648555cdbd286f98fd98ee - () https://git.kernel.org/stable/c/d8a5bdc767f17281da648555cdbd286f98fd98ee - Patch
References () https://git.kernel.org/stable/c/da63dc84befaa9e6079a0bc363ff0eaa975f9073 - () https://git.kernel.org/stable/c/da63dc84befaa9e6079a0bc363ff0eaa975f9073 - Patch
References () https://git.kernel.org/stable/c/f76ddc8fcf6d81fe89bfa4d3efcbc4fe69a91d48 - () https://git.kernel.org/stable/c/f76ddc8fcf6d81fe89bfa4d3efcbc4fe69a91d48 - Patch
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drivers/base/node.c: se ha corregido la fuga del archivo sysfs de compactación. El archivo sysfs de compactación se crea mediante compaction_register_node en register_node. Pero olvidamos eliminarlo en unregister_node. Por lo tanto, se ha filtrado el archivo sysfs de compactación. Se utiliza compaction_unregister_node para solucionar este problema.
CWE CWE-401

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-10-22 17:25

NVD link : CVE-2022-49442

Mitre link : CVE-2022-49442

CVE.ORG link : CVE-2022-49442

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime