CVE-2026-89745
CVE CVE-2026-89745EUVD EUVD-2026-76657Published 2026-09-11T19:46:50.000Z
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: debugfs: Fix lockdown check for mmap_prepare Commit 651fdda8406d ("relay: update relay to use mmap_prepare") changed the `mmap` file operation to `mmap_prepare` for relayfs, but the lockdown check in debugfs was not updated accordingly. This prevents debugfs from being locked down when the kernel is in integrity mode if a file uses `mmap_prepare` but not `mmap`. Since the conversion to `mmap_prepare` across the kernel is not yet complete, update the lockdown check to look for both `mmap` and `mmap_prepare` to ensure comprehensive coverage.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux patch: 0; 6.19; patch: 7.3-rc1; 651fdda8406d42a5004c5c79f269540a85d6a1ab <e7f6a6b5741d16fdac7adaecbe0fa52ae756f208; patch: 7.2.4; 651fdda8406d42a5004c5c79f269540a85d6a1ab <f81808de37338aac8e167f99bfae647b1b835c70
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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