4.3

CVE-2022-3435: Linux Kernel IPv4 fib_semantics.c fib_nh_match out-of-bounds

Modified
AliasesUBUNTU-CVE-2022-3435DEBIAN-CVE-2022-3435CGA-2367-6jfc-qgjc
Published 08-10-2022Last modified 15-04-2025

Vulnerability summary

CVE-2022-3435 is a medium (CVSS 4.3) vulnerability in debian debian_linux. EPSS estimates a 5.18% chance of exploitation in the next 30 days, higher than 92.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
5.18%
0%100%
Low · +1.10 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 33 · Related 31
DLA-3244-1RHSA-2023:2148RHSA-2023:2458SUSE-SU-2022:3998-1SUSE-SU-2022:4072-1SUSE-SU-2022:4617-1

Timeline

  1. 08-10-2022
    PublishedVulnerability first disclosed.
  2. 15-04-2025
    Last modifiedVulnerability information updated.

Description

A vulnerability classified as problematic has been found in Linux Kernel. This affects the function fib_nh_match of the file net/ipv4/fib_semantics.c of the component IPv4 Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-210357 was assigned to this vulnerability.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

5.18%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

Increase +1.10 pp

From 4.08% 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: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu89 products
  • linux< 5.4.0-144.161 | < 5.15.0-67.74
  • linux-aws< 5.4.0-1097.105 | < 5.15.0-1031.35
  • 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)
Debian2 products
Linux2 products
Fedoraproject1 product

5 vendors · 177 products

References

24 links
Show all 24 references