What is CVE-2026-31513?

CVE-2026-31513 is a high-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2026-04-22.

How severe is CVE-2026-31513?

High severity. CVSS v3 base score is 8.1 out of 10.

Out-of-bounds Read in Linux

CVE-2026-31513

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix stack-out-of-bounds read in l2cap_ecred_conn_req Syzbot reported a KASAN stack-out-of-bounds read in l2cap_build_cmd() that is triggered by a malfo…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (6.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Linux — versions 935f324e4b2461df2cf7f02b4195082b4304c708, e981a9392800ce2c5bca196a6ab2c55e9370efaa, f3fdf2e7276a3edc5df55454275da20eac186970
Linux Linux_kernel

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

Frequently asked questions

What is CVE-2026-31513?: CVE-2026-31513 is a high-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2026-04-22.
How severe is CVE-2026-31513?: High severity. CVSS v3 base score is 8.1 out of 10.