What is CVE-2026-46267?

CVE-2026-46267 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2026-06-03.

How severe is CVE-2026-46267?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Linux

CVE-2026-46267

In the Linux kernel, the following vulnerability has been resolved: nfc: hci: shdlc: Stop timers and work before freeing context llc_shdlc_deinit() purges SHDLC skb queues and frees the llc_shdlc structure while its timers and state mach…

Vulnerability class: Use-After-Free

EPSS: 0.001 (2.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 4a61cd6687fc6348d08724676d34e38160d6cf9b, 3.7, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-416 — Use After Free

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-2026-46267?: CVE-2026-46267 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2026-06-03.
How severe is CVE-2026-46267?: High severity. CVSS v3 base score is 7.8 out of 10.