5.5

CVE-2022-3606: Linux Kernel BPF libbpf.c find_prog_by_sec_insn null pointer dereference

Modified
AliasesUBUNTU-CVE-2022-3606DEBIAN-CVE-2022-3606
Published 19-10-2022Last modified 14-10-2026

Vulnerability summary

CVE-2022-3606 is a medium (CVSS 5.5) Improper Resource Shutdown or Release vulnerability in linux kernel. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 29.2% of scored vulnerabilities.

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
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.35%
0%100%
Low · +0.02 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 7 · Related 6
DLA-4137-1SUSE-SU-2023:0405-1SUSE-SU-2023:0409-1SUSE-SU-2023:0779-1USN-5759-1USN-5759-2

Timeline

  1. 19-10-2022
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

A vulnerability was found in Linux Kernel. It has been classified as problematic. This affects the function find_prog_by_sec_insn of the file tools/lib/bpf/libbpf.c of the component BPF. The manipulation leads to null pointer dereference. It is recommended to apply a patch to fix this issue. The identifier VDB-211749 was assigned to this vulnerability.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.35%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

Increase +0.02 pp

From 0.33% 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: adjacent network, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Linux2 products
Ubuntu2 products
  • dwarves-dfsgAll versions (No fix recorded) | < 1.21-0ubuntu1~18.04.1+esm1 | < 1.21-0ubuntu1~20.04.1
  • libbpf< 0.5.0-1~ubuntu20.04.1+esm1 | < 0.5.0-1ubuntu22.04.1
Debian1 product
  • libbpf< 1.1.0-1

3 vendors · 5 products

References

11 links
Show all 11 references