What is CVE-2026-43083?

CVE-2026-43083 is a critical-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2026-05-06.

How severe is CVE-2026-43083?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Out-of-bounds Read in Linux

CVE-2026-43083

In the Linux kernel, the following vulnerability has been resolved: net: ioam6: fix OOB and missing lock When trace->type.bit6 is set: if (trace->type.bit6) { ... queue = skb_get_tx_queue(dev, skb); qdisc = r…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (16.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Linux — versions b63c5478e9cb1d1504eb02d9dac827ad24612b32, 5.17, 0
Linux Linux_kernel — versions 7.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

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-2026-43083?: CVE-2026-43083 is a critical-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2026-05-06.
How severe is CVE-2026-43083?: Critical severity. CVSS v3 base score is 9.1 out of 10.