# CVE-2026-80705: linux: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: check if dml21_add_phantom_plan... CVE-2026-80705 is fixed in linux on 1 platform, first by DEBIAN-CVE-2026-80705, released August 29, 2026. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2026-80705 - Priority: Routine - CVSS: n/a - EPSS: 0.0021 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Aug 28, 2026 ## 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) ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | linux Debian 13.5 (trixie) | 6.12.115-2 | [DEBIAN-CVE-2026-80705](https://patchblox.com/security/data/fix/linux/debian-cve-2026-80705.md) | Aug 29, 2026 | | Linux | linux Debian 14 | 7.1.8-1 | [DEBIAN-CVE-2026-80705](https://patchblox.com/security/data/fix/linux/debian-cve-2026-80705.md) | Aug 29, 2026 | --- Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.