CVE-2023-52450

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-52450
In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology() Get logical socket id instead of physical id in discover_upi_topology() to avoid out-of-bound access on 'upi = &type->topology[nid][idx];' line that leads to NULL pointer dereference in upi_fill_topology()

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/1692cf434ba13ee212495b5af795b6a07e986ce4 Patch
https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e Patch
https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

18 Mar 2024, 18:34

Type Values Removed Values Added
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4 - () https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4 - Patch
References () https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e - () https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e - Patch
References () https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015 - () https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015 - Patch
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: perf/x86/intel/uncore: solucione el problema de desreferencia del puntero NULL en upi_fill_topology(). Obtenga la identificación del socket lógico en lugar de la identificación física en discover_upi_topology() para evitar el acceso fuera de límites en 'upi = &tipo->topología[nid][idx];' línea que conduce a la desreferencia del puntero NULL en upi_fill_topology()
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CWE CWE-476

22 Feb 2024, 17:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-02-22 17:15

Updated : 2024-03-18 18:34

NVD link : CVE-2023-52450

Mitre link : CVE-2023-52450

CVE.ORG link : CVE-2023-52450

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference