5.5

CVE-2024-47704

drm/amd/display: Check link_res->hpo_dp_link_enc before using it

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 6.6.55
Linux ≫ Linux Kernel Version >= 6.7 < 6.10.14
Linux ≫ Linux Kernel Version >= 6.11 < 6.11.2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.21% 0.11
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

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
https://git.kernel.org/stable/c/8c22a62288194f072eb3a51045b700fce1c18d9e
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
https://cert-portal.siemens.com/productcert/html/ssa-032379.html