CVE-2024-47704

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2024-47704
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check link_res->hpo_dp_link_enc before using it [WHAT & HOW] Functions dp_enable_link_phy and dp_disable_link_phy can pass link_res without initializing hpo_dp_link_enc and it is necessary to check for null before dereferencing. This fixes 2 FORWARD_NULL issues reported by Coverity.

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/0508a4e95ac1aefd851ceb97ea050d8abb93262c Patch
https://git.kernel.org/stable/c/0beca868cde8742240cd0038141c30482d2b7eb8 Patch
https://git.kernel.org/stable/c/530e29452b955c30cf2102fa4d07420dc6e0c953 Patch
https://git.kernel.org/stable/c/be2ca7a2c1561390d28bf2f92654d819659ba510 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:*:*:*:*:*:*:*:*
History

24 Oct 2024, 13:34

Type Values Removed Values Added
CWE CWE-476
References () https://git.kernel.org/stable/c/0508a4e95ac1aefd851ceb97ea050d8abb93262c - () https://git.kernel.org/stable/c/0508a4e95ac1aefd851ceb97ea050d8abb93262c - Patch
References () https://git.kernel.org/stable/c/0beca868cde8742240cd0038141c30482d2b7eb8 - () https://git.kernel.org/stable/c/0beca868cde8742240cd0038141c30482d2b7eb8 - Patch
References () https://git.kernel.org/stable/c/530e29452b955c30cf2102fa4d07420dc6e0c953 - () https://git.kernel.org/stable/c/530e29452b955c30cf2102fa4d07420dc6e0c953 - Patch
References () https://git.kernel.org/stable/c/be2ca7a2c1561390d28bf2f92654d819659ba510 - () https://git.kernel.org/stable/c/be2ca7a2c1561390d28bf2f92654d819659ba510 - Patch
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Compruebe link_res->hpo_dp_link_enc antes de usarlo [QUÉ Y CÓMO] Las funciones dp_enable_link_phy y dp_disable_link_phy pueden pasar link_res sin inicializar hpo_dp_link_enc y es necesario comprobar si hay valores nulos antes de desreferenciar. Esto soluciona 2 problemas de FORWARD_NULL informados por Coverity.
First Time Linux linux Kernel
Linux
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

21 Oct 2024, 12:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-10-21 12:15

Updated : 2024-10-24 13:34

NVD link : CVE-2024-47704

Mitre link : CVE-2024-47704

CVE.ORG link : CVE-2024-47704

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference