CVE-2026-98941 Linux Kernel - Denial of Service

Linux kernel v6.19 to v7.2 contains a denial of service caused by enabling large folios on encrypted ext4 inodes, letting attackers cause kernel crashes via writes, exploit requires enabling encryption on mounted filesystem.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.19% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
23 October 2026
Updated
25 October 2026

Vendor fix

Update to Linux kernel version 7.3 or later where the issue is fixed.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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