4.3

CVE-2022-3619: Linux Kernel Bluetooth l2cap_core.c l2cap_recv_acldata memory leak

Modified
AliasesUBUNTU-CVE-2022-3619DEBIAN-CVE-2022-3619CGA-2226-r3qv-57pv
Published 20-10-2022Last modified 15-04-2025

Vulnerability summary

CVE-2022-3619 is a medium (CVSS 4.3) Improper Resource Shutdown or Release vulnerability in linux kernel. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 48.8% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 3.5, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.60%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 20 · Related 14

Timeline

  1. 20-10-2022
    PublishedVulnerability first disclosed.
  2. 15-04-2025
    Last modifiedVulnerability information updated.

Description

A vulnerability has been found in Linux Kernel and classified as problematic. This vulnerability affects the function l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. VDB-211918 is the identifier assigned to this vulnerability.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

49%

Versus all other CVEs

30-day change

Increase +0.02 pp

From 0.58% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (git.kernel.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: adjacent network, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard83 products
  • hyperv-daemons-6.18All versions (No fix recorded)
  • hyperv-daemons-genericAll versions (No fix recorded)
  • linux-aws-6.12< 6.12.65-r0 | All versions (No fix recorded)
  • linux-aws-6.12-boot-installedAll versions (No fix recorded)
  • linux-aws-6.12-fips-boot-installedAll versions (No fix recorded)
Ubuntu74 products
  • linux< 5.15.0-60.66
  • linux-aws< 5.15.0-1030.34
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
Linux2 products
Debian1 product
  • linux< 6.0.8-1

4 vendors · 160 products

References

13 links
Show all 13 references