CVE-2023-52846

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-52846
In the Linux kernel, the following vulnerability has been resolved: hsr: Prevent use after free in prp_create_tagged_frame() The prp_fill_rct() function can fail. In that situation, it frees the skb and returns NULL. Meanwhile on the success path, it returns the original skb. So it's straight forward to fix bug by using the returned value.

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/1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18 Patch
https://git.kernel.org/stable/c/6086258bd5ea7b5c706ff62da42b8e271b2401db Patch
https://git.kernel.org/stable/c/876f8ab52363f649bcc74072157dfd7adfbabc0d Patch
https://git.kernel.org/stable/c/a1a485e45d24b1cd8fe834fd6f1b06e2903827da Patch
https://git.kernel.org/stable/c/d103fb6726904e353b4773188ee3d3acb4078363 Patch
https://git.kernel.org/stable/c/ddf4e04e946aaa6c458b8b6829617cc44af2bffd Patch
https://git.kernel.org/stable/c/1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18 Patch
https://git.kernel.org/stable/c/6086258bd5ea7b5c706ff62da42b8e271b2401db Patch
https://git.kernel.org/stable/c/876f8ab52363f649bcc74072157dfd7adfbabc0d Patch
https://git.kernel.org/stable/c/a1a485e45d24b1cd8fe834fd6f1b06e2903827da Patch
https://git.kernel.org/stable/c/d103fb6726904e353b4773188ee3d3acb4078363 Patch
https://git.kernel.org/stable/c/ddf4e04e946aaa6c458b8b6829617cc44af2bffd 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:*:*:*:*:*:*:*:*
History

31 Dec 2024, 20:00

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18 - () https://git.kernel.org/stable/c/1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18 - Patch
References () https://git.kernel.org/stable/c/6086258bd5ea7b5c706ff62da42b8e271b2401db - () https://git.kernel.org/stable/c/6086258bd5ea7b5c706ff62da42b8e271b2401db - Patch
References () https://git.kernel.org/stable/c/876f8ab52363f649bcc74072157dfd7adfbabc0d - () https://git.kernel.org/stable/c/876f8ab52363f649bcc74072157dfd7adfbabc0d - Patch
References () https://git.kernel.org/stable/c/a1a485e45d24b1cd8fe834fd6f1b06e2903827da - () https://git.kernel.org/stable/c/a1a485e45d24b1cd8fe834fd6f1b06e2903827da - Patch
References () https://git.kernel.org/stable/c/d103fb6726904e353b4773188ee3d3acb4078363 - () https://git.kernel.org/stable/c/d103fb6726904e353b4773188ee3d3acb4078363 - Patch
References () https://git.kernel.org/stable/c/ddf4e04e946aaa6c458b8b6829617cc44af2bffd - () https://git.kernel.org/stable/c/ddf4e04e946aaa6c458b8b6829617cc44af2bffd - Patch
First Time Linux
Linux linux Kernel
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
CWE CWE-416
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

21 Nov 2024, 08:40

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18 - () https://git.kernel.org/stable/c/1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18 -
References () https://git.kernel.org/stable/c/6086258bd5ea7b5c706ff62da42b8e271b2401db - () https://git.kernel.org/stable/c/6086258bd5ea7b5c706ff62da42b8e271b2401db -
References () https://git.kernel.org/stable/c/876f8ab52363f649bcc74072157dfd7adfbabc0d - () https://git.kernel.org/stable/c/876f8ab52363f649bcc74072157dfd7adfbabc0d -
References () https://git.kernel.org/stable/c/a1a485e45d24b1cd8fe834fd6f1b06e2903827da - () https://git.kernel.org/stable/c/a1a485e45d24b1cd8fe834fd6f1b06e2903827da -
References () https://git.kernel.org/stable/c/d103fb6726904e353b4773188ee3d3acb4078363 - () https://git.kernel.org/stable/c/d103fb6726904e353b4773188ee3d3acb4078363 -
References () https://git.kernel.org/stable/c/ddf4e04e946aaa6c458b8b6829617cc44af2bffd - () https://git.kernel.org/stable/c/ddf4e04e946aaa6c458b8b6829617cc44af2bffd -
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: hsr: impedir el uso después de liberar en prp_create_tagged_frame(). La función prp_fill_rct() puede fallar. En esa situación, libera el skb y devuelve NULL. Mientras tanto, en el camino hacia el éxito, devuelve el skb original. Por lo tanto, es sencillo corregir el error utilizando el valor devuelto.

21 May 2024, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-05-21 16:15

Updated : 2024-12-31 20:00

NVD link : CVE-2023-52846

Mitre link : CVE-2023-52846

CVE.ORG link : CVE-2023-52846

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

Use After Free