CVE-2026-97451 Linux Kernel - Integer Overflow

Linux kernel contains an integer overflow vulnerability caused by lack of overflow check in acpi_ex_opcode_3A_1T_1R() (mid_op), letting attackers cause memory corruption via negative size in memcpy, exploit requires crafted ACPI data.

CVSS base score 8.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.14% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Integer Overflow
Impact
Denial Of Service, Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
24 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version with the fix applied.

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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