6.5

CVE-2022-42895: Info Leak in l2cap_core in the Linux Kernel

Modified
AliasesUBUNTU-CVE-2022-42895DEBIAN-CVE-2022-42895CGA-23xr-gwvx-7fw2
Published 23-11-2022Last modified 14-10-2026

Vulnerability summary

CVE-2022-42895 is a medium (CVSS 6.5) Access of Uninitialized Pointer vulnerability in linux linux_kernel. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 41.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.48%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 46 · Related 38
DLA-3244-1DLA-3245-1MGASA-2022-0442MGASA-2022-0443RHSA-2023:6583RHSA-2023:6901

Timeline

  1. 23-11-2022
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req function which can be used to leak kernel pointers remotely. We recommend upgrading past commit  https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e https://www.google.com/url

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

0.48%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

Increase +0.07 pp

From 0.41% 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

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu92 products
  • linuxAll versions (No fix recorded) | < 4.4.0-237.271 | < 4.15.0-206.217 | < 5.4.0-139.156 | < 5.15.0-60.66
  • linux-aws< 4.4.0-1116.122 | < 4.4.0-1154.169 | < 4.15.0-1151.164 | < 5.4.0-1096.104 | < 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)
Chainguard83 products
  • hyperv-daemons-6.18All versions (No fix recorded)
  • hyperv-daemons-genericAll versions (No fix recorded)
  • linux-aws-6.12All versions (No fix recorded) | < 6.12.65-r0
  • linux-aws-6.12-boot-installedAll versions (No fix recorded)
  • linux-aws-6.12-fips-boot-installedAll versions (No fix recorded)
Debian1 product
  • linux< 6.0.7-1
Linux1 product
  • linux_kernel≥ 3.0.0, ≤ b1a2cd50c0357f243b7435a732b4e62ba3157a2e | na

4 vendors · 177 products

References

36 links
Show all 36 references