CVE-2022-49168

  1. Yack CVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49168

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

I

n the Linux kernel, the following vulnerability has been resolved: btrfs: do not clean up repair bio if submit fails The submit helper will always run bio_endio() on the bio if it fails to submit, so cleaning up the bio just leads to a variety of use-after-free and NULL pointer dereference bugs because we race with the endio function that is cleaning up the bio. Instead just return BLK_STS_OK as the repair function has to continue to process the rest of the pages, and the endio for the repair bio will do the appropriate cleanup for the page that it was given.

References
Link Resource
https://git.kernel.org/stable/c/7170875083254b51fcc5d67f96640977083f481e Patch
https://git.kernel.org/stable/c/8cbc3001a3264d998d6b6db3e23f935c158abd4d Patch
https://git.kernel.org/stable/c/d1cb11fb45ebbb1e7dfe5e9038b32ea72c184b14 Patch
https://git.kernel.org/stable/c/e76c78c48902dae6fa612749f59162bca0a79e0b Patch
https://git.kernel.org/stable/c/e7e1d15d2bd8c373cf621614ddd17971a2132713 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:*:*:*:*:*:*:*:*
History

21 Jan 2026, 16:06

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/e7e1d15d2bd8c373cf621614ddd17971a2132713 - () https://git.kernel.org/stable/c/e7e1d15d2bd8c373cf621614ddd17971a2132713 - Patch

19 Jan 2026, 13:16

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/e7e1d15d2bd8c373cf621614ddd17971a2132713 -

18 Nov 2025, 15:09

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/7170875083254b51fcc5d67f96640977083f481e - () https://git.kernel.org/stable/c/7170875083254b51fcc5d67f96640977083f481e - Patch

22 May 2025, 13:15

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/7170875083254b51fcc5d67f96640977083f481e -

25 Mar 2025, 16:13

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: no limpiar la biografía de reparación si falla el envío El asistente de envío siempre ejecutará bio_endio() en la biografía si falla el envío, por lo que limpiar la biografía solo conduce a una variedad de errores de use-after-free y de desreferencia de puntero NULL porque competimos con la función endio que está limpiando la biografía. En su lugar, solo devuelva BLK_STS_OK ya que la función de reparación tiene que continuar procesando el resto de las páginas, y el endio para la biografía de reparación hará la limpieza adecuada para la página que se le dio.
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/8cbc3001a3264d998d6b6db3e23f935c158abd4d - () https://git.kernel.org/stable/c/8cbc3001a3264d998d6b6db3e23f935c158abd4d - Patch
References () https://git.kernel.org/stable/c/d1cb11fb45ebbb1e7dfe5e9038b32ea72c184b14 - () https://git.kernel.org/stable/c/d1cb11fb45ebbb1e7dfe5e9038b32ea72c184b14 - Patch
References () https://git.kernel.org/stable/c/e76c78c48902dae6fa612749f59162bca0a79e0b - () https://git.kernel.org/stable/c/e76c78c48902dae6fa612749f59162bca0a79e0b - Patch
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

27 Feb 2025, 19:15

Type Values Removed Values Added
CWE CWE-416
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8

26 Feb 2025, 07:00

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:00

Updated : 2026-01-21 16:06

NVD link : CVE-2022-49168

Mitre link : CVE-2022-49168

CVE.ORG link : CVE-2022-49168

JSON object : View

Products Affected

linux

CWE
CWE-416

Use After Free