CVE-2024-47704
drm/amd/display: Check link_res->hpo_dp_link_enc before using it
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 21, 2024 |
| Last Updated | May 12, 2026 |
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Affected Versions
Linux / Linux
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 8c22a62288194f072eb3a51045b700fce1c18d9e 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < be2ca7a2c1561390d28bf2f92654d819659ba510 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 530e29452b955c30cf2102fa4d07420dc6e0c953 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 0508a4e95ac1aefd851ceb97ea050d8abb93262c 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 0beca868cde8742240cd0038141c30482d2b7eb8
Linux / Linux
4.15
References
git.kernel.org: https://git.kernel.org/stable/c/8c22a62288194f072eb3a51045b700fce1c18d9e git.kernel.org: https://git.kernel.org/stable/c/be2ca7a2c1561390d28bf2f92654d819659ba510 git.kernel.org: https://git.kernel.org/stable/c/530e29452b955c30cf2102fa4d07420dc6e0c953 git.kernel.org: https://git.kernel.org/stable/c/0508a4e95ac1aefd851ceb97ea050d8abb93262c git.kernel.org: https://git.kernel.org/stable/c/0beca868cde8742240cd0038141c30482d2b7eb8 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html cert-portal.siemens.com: https://cert-portal.siemens.com/productcert/html/ssa-032379.html