CVE-2026-31417
kernel: net/x25: Fix overflow when accumulating packets
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Severity
LowRed Hat Product Security
CVSS
Review impact separately from score.
Published · April 13, 2026
Updated · October 20, 2026
Description
A flaw was found in the Linux kernel's X.25 network protocol implementation (net/x25). An attacker could potentially trigger an integer overflow in the x25_sock.fraglen variable when accumulating packets. This oversight, combined with the fraglen not being properly reset, may lead to system instability or a denial of service.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CWE-190 · Integer Overflow or Wraparound