CVE-2026-89760 Linux Kernel - Memory Corruption

Linux kernel contains a memory corruption vulnerability caused by improper freeing of hibernation slots in the swap cache, letting attackers cause silent memory corruption, crashes, or data instability, exploit requires hibernation image preparation.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.17% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Memory Corruption
Impact
Data Tampering, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
11 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix for swap cache hibernation slot handling.

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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