What is CVE-2026-23254?

CVE-2026-23254 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-03-18.

How severe is CVE-2026-23254?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2026-23254

In the Linux kernel, the following vulnerability has been resolved: net: gro: fix outer network offset The udp GRO complete stage assumes that all the packets inserted the RX have the `encapsulation` flag zeroed. Such assumption is not t…

EPSS: 0.000 (4.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 6.6.124, 5ef31ea5d053a8f493a772ebad3f3ce82c35d845, 6.18.10
Linux Linux_kernel — versions 6.9, 6.19

References

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

Frequently asked questions

What is CVE-2026-23254?: CVE-2026-23254 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-03-18.
How severe is CVE-2026-23254?: Medium severity. CVSS v3 base score is 5.5 out of 10.