What is CVE-2026-46039?

CVE-2026-46039 is a critical-severity vulnerability in Linux, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2026-05-27.

How severe is CVE-2026-46039?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Integer overflow in Linux

CVE-2026-46039

In the Linux kernel, the following vulnerability has been resolved: rxgk: Fix potential integer overflow in length check Fix potential integer overflow in rxgk_extract_token() when checking the length of the ticket. Rather than rounding…

Vulnerability class: Integer Overflow

EPSS: 0.004 (35.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 0, 7.1, 7.0.4
Linux Linux_kernel — versions 6.17

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-46039?: CVE-2026-46039 is a critical-severity vulnerability in Linux, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2026-05-27.
How severe is CVE-2026-46039?: Critical severity. CVSS v3 base score is 9.8 out of 10.