CVE-2026-77478
fuse-overlayfs: chmod on a hardlinked lower-layer file is silently dropped in the built image (bsc#1286378).
CVE-2026-77478 is fixed in fuse-overlayfs on 1 platform, first by SUSE-SU-2026:5124-1, released November 7, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
n/a
chmod on a hardlinked lower-layer file is silently dropped in the built image (bsc#1286378).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| fuse-overlayfs · sles 15.6 | 1.1.2-150100.3.17.1 | SUSE-SU-2026:5124-1 | Nov 7, 2026 |
| fuse-overlayfs · sles 15.7 | 1.1.2-150100.3.17.1 | SUSE-SU-2026:5124-1 | Nov 7, 2026 |
| fuse-overlayfs · sles 16.0 | 1.15-160000.4.1 | SUSE-SU-2026:24603-1 | Nov 10, 2026 |
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