CVE-2026-45834

MEDIUM

CVSS v3.1: 5.5 · EPSS: 0.0018 (7.4 percentile)

No user interactionNULL Pointer Deref

Source data as of:

At a glance

Severity
MEDIUM
CVSS
5.5 v3.1 · NVD
EPSS
0.0018 (7.4 percentile) · FIRST.org
CISA KEV
No
Type
NULL Pointer Deref · NVD CWE
Attack conditions (CVSS vector)
No user interaction · Source: NVD Vector
Affected vendors
linux
Published
2026-05-26 · Modified: 2026-06-26
References
Jump to references (8)

CVSS / EPSS / KEV

CVSS v3.1 5.5 / 10 MEDIUM Source: NVD
EPSS 0.0018 7.4 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb() Add the same NULL guard already present in l2cap_sock_resume_cb() and l2cap_sock_ready_cb().

Record details

CVE ID
CVE-2026-45834
CVSS (v3.1)
5.5 (MEDIUM)
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability subscore
1.8
Impact subscore
3.6
EPSS
0.0018 (7.4 percentile) — 2026-06-27
CISA KEV
No
Weakness (CWE)
CWE-476
Affected vendors
linux
Affected configurations (CPE)
9
Published
2026-05-26
Modified
2026-06-26
Status
Analyzed

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Same affected vendor

CVE-2026-43493 CRITICAL CVSS 9.8 CVE-2026-43501 CRITICAL CVSS 9.8 CVE-2026-43490 HIGH CVSS 8.8 CVE-2026-43495 HIGH CVSS 8.8

Same weakness type (CWE)

CVE-2026-47220 HIGH CVSS 7.5 CVE-2026-57434 HIGH CVSS 7.5 CVE-2026-57873 HIGH CVSS 7.5 CVE-2026-57875 HIGH CVSS 7.5

Published the same year

CVE-2026-10561 CRITICAL CVSS 10.0 CVE-2026-48020 CRITICAL CVSS 10.0 CVE-2026-48491 CRITICAL CVSS 10.0 CVE-2026-49869 CRITICAL CVSS 10.0
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