Vulnerability in Linux
CVE-2026-43304
In the Linux kernel, the following vulnerability has been resolved: libceph: define and enforce CEPH_MAX_KEY_LEN When decoding the key, verify that the key material would fit into a fixed-size buffer in process_auth_done() and generally…
EPSS: 0.001 (22.0th 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 6.1.165, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, cd1a677cad994021b19665ed476aea63f5d54f31
- Linux Linux_kernel
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)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
Frequently asked questions
- What is CVE-2026-43304?
- CVE-2026-43304 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-05-08.
- How severe is CVE-2026-43304?
- Critical severity. CVSS v3 base score is 9.8 out of 10.