CVE-2026-97413 Linux Kernel - Integer Overflow

Linux kernel contains an integer underflow vulnerability in RDMA/rtrs-srv caused by improper validation of usr_len in process_read and process_write, letting malicious RDMA clients cause out-of-bounds memory access, exploit requires sending crafted network messages.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.50% 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:N/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 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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