CVE-2026-80945 Linux kernel crypto: iaa - Data Tampering

Linux kernel crypto: iaa contains a data tampering vulnerability caused by improper unmapping of destination buffer before software fallback on decompress, letting attackers cause data corruption, exploit requires hardware analytics error triggering fallback.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
EPSS
0.50% chance of exploitation in 30 days
View the NVD record ↗

Details

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

Vendor fix

Update to the latest Linux kernel version containing the fix.

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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