What is CVE-2026-46055?

CVE-2026-46055 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2026-05-27.

How severe is CVE-2026-46055?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Linux

CVE-2026-46055

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix string overrun due to missing termination When booting Ubuntu 26.04 with Linux 7.0-rc4 on an ARM64 Qualcomm Snapdragon X1 we see a string buffer overrun: …

EPSS: 0.002 (4.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

Linux — versions 7.0, 7.1-rc1, 0
Linux Linux_kernel

References

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

Frequently asked questions

What is CVE-2026-46055?: CVE-2026-46055 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2026-05-27.
How severe is CVE-2026-46055?: High severity. CVSS v3 base score is 7.1 out of 10.