CVE-2026-80705: Linux kernel · drm/amd/display: check if dml21_add_phantom_plane() is successful
Affects Linux kernelSource CVE Database V5
Not known to be exploited · fixed in ef7d731f1df63d6230e159996c0703aaf5132bac : update Linux kernel when convenient.
Data as of 26 Oct 2026, 13:47 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in ef7d731f1df63d6230e159996c0703aaf5132bac, bea1f73ad69eec36b757adb8e63beb3092f862ee, 062cfd6c678f6647c8841f684d6dadab08d95512 +1
Exploitation evidence
Disclosed: evidence found.
CVE published 28 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade Linux kernel to ef7d731f1df63d6230e159996c0703aaf5132bac, bea1f73ad69eec36b757adb8e63beb3092f862ee, 062cfd6c678f6647c8841f684d6dadab08d95512 or 000acb4ce7fb9feba3072ce468ad681f6585cd5d.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in– |
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: check if dml21_add_phantom_plane() is successful Verify that the phantom plane was allocated to avoid a later segfault. (cherry picked from commit 5adb54abe5a8e82cbff7f8806db30a5f4924329f)
References
- git.kernel.org/stable/c/ef7d731f1df63d6230e159996c0703aaf5132bac (opens in a new tab)
- git.kernel.org/stable/c/bea1f73ad69eec36b757adb8e63beb3092f862ee (opens in a new tab)
- git.kernel.org/stable/c/062cfd6c678f6647c8841f684d6dadab08d95512 (opens in a new tab)
- git.kernel.org/stable/c/000acb4ce7fb9feba3072ce468ad681f6585cd5d (opens in a new tab)