CVE-2022-49388

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49388
In the Linux kernel, the following vulnerability has been resolved: ubi: ubi_create_volume: Fix use-after-free when volume creation failed There is an use-after-free problem for 'eba_tbl' in ubi_create_volume()'s error handling path: ubi_eba_replace_table(vol, eba_tbl) vol->eba_tbl = tbl out_mapping: ubi_eba_destroy_table(eba_tbl) // Free 'eba_tbl' out_unlock: put_device(&vol->dev) vol_release kfree(tbl->entries) // UAF Fix it by removing redundant 'eba_tbl' releasing. Fetch a reproducer in [Link].

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

References
Link Resource
https://git.kernel.org/stable/c/1174ab8ba36a48025b68b5ff1085000b1e510217 Patch
https://git.kernel.org/stable/c/25ff1e3a1351c0d936dd1ac2f9e58231ea1510c9 Patch
https://git.kernel.org/stable/c/5ff2514e4fb55dcf3d88294686040ca73ea0c1a2 Patch
https://git.kernel.org/stable/c/6d8d3f68cbecfd31925796f0fb668eb21ab06734 Patch
https://git.kernel.org/stable/c/8302620aeb940f386817321d272b12411ae7d39f Patch
https://git.kernel.org/stable/c/8c03a1c21d72210f81cb369cc528e3fde4b45411 Patch
https://git.kernel.org/stable/c/abb67043060f2bf4c03d7c3debb9ae980e2b6db3 Patch
https://git.kernel.org/stable/c/e27ecf325e51abd06aaefba57a6322a46fa4178b 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:*:*:*:*:*:*:*:*
History

25 Mar 2025, 14:59

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
First Time Linux
Linux linux Kernel
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ubi: ubi_create_volume: Se corrige el problema de use-after-free cuando falla la creación del volumen Hay un problema de use-after-free para 'eba_tbl' en la ruta de gestión de errores de ubi_create_volume(): ubi_eba_replace_table(vol, eba_tbl) vol->eba_tbl = tbl out_mapping: ubi_eba_destroy_table(eba_tbl) // Libera 'eba_tbl' out_unlock: put_device(&vol->dev) vol_release kfree(tbl->entries) // UAF Arréglalo eliminando la liberación redundante de 'eba_tbl'. Obtén un reproductor en [Enlace].
References () https://git.kernel.org/stable/c/1174ab8ba36a48025b68b5ff1085000b1e510217 - () https://git.kernel.org/stable/c/1174ab8ba36a48025b68b5ff1085000b1e510217 - Patch
References () https://git.kernel.org/stable/c/25ff1e3a1351c0d936dd1ac2f9e58231ea1510c9 - () https://git.kernel.org/stable/c/25ff1e3a1351c0d936dd1ac2f9e58231ea1510c9 - Patch
References () https://git.kernel.org/stable/c/5ff2514e4fb55dcf3d88294686040ca73ea0c1a2 - () https://git.kernel.org/stable/c/5ff2514e4fb55dcf3d88294686040ca73ea0c1a2 - Patch
References () https://git.kernel.org/stable/c/6d8d3f68cbecfd31925796f0fb668eb21ab06734 - () https://git.kernel.org/stable/c/6d8d3f68cbecfd31925796f0fb668eb21ab06734 - Patch
References () https://git.kernel.org/stable/c/8302620aeb940f386817321d272b12411ae7d39f - () https://git.kernel.org/stable/c/8302620aeb940f386817321d272b12411ae7d39f - Patch
References () https://git.kernel.org/stable/c/8c03a1c21d72210f81cb369cc528e3fde4b45411 - () https://git.kernel.org/stable/c/8c03a1c21d72210f81cb369cc528e3fde4b45411 - Patch
References () https://git.kernel.org/stable/c/abb67043060f2bf4c03d7c3debb9ae980e2b6db3 - () https://git.kernel.org/stable/c/abb67043060f2bf4c03d7c3debb9ae980e2b6db3 - Patch
References () https://git.kernel.org/stable/c/e27ecf325e51abd06aaefba57a6322a46fa4178b - () https://git.kernel.org/stable/c/e27ecf325e51abd06aaefba57a6322a46fa4178b - Patch

27 Feb 2025, 18:15

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

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-03-25 14:59

NVD link : CVE-2022-49388

Mitre link : CVE-2022-49388

CVE.ORG link : CVE-2022-49388

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

Use After Free