🛡️ CVE-2022-25636 — communications-cloud-native-core-binding

🟠 CVSS 7.8 — High ⚠️ Exploit Public CWE-269 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

net/netfilter/nf_dup_netdev.c in the Linux kernel 5.4 through 5.6.10 allows local users to gain privileges because of a heap out-of-bounds write. This is related to nf_tables_offload.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-25636 is classified as CWE-269: Improper Privilege Management. Privileges are assigned, dropped or restored incorrectly, leaving an actor with more access than intended.

Affected software

CVE-2022-25636 is recorded against 13 packages.

  • communications-cloud-native-core-binding-support-function
  • communications-cloud-native-core-network-exposure-function
  • communications-cloud-native-core-policy
  • debian-linux
  • h300e
  • h300s
  • h410c
  • h410s
  • h500e
  • h500s
  • h700e
  • h700s
  • linux-kernel (from 5.16 up to 5.16.12)

Timeline and source

Published on 24 February 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

packetstormsecurity.com
www.openwall.com
git.kernel.org
github.com
nickgregory.me
security.netapp.com
www.debian.org
www.openwall.com
www.oracle.com
packetstormsecurity.com
www.openwall.com
git.kernel.org
github.com
nickgregory.me
security.netapp.com

CVE-2022-25636 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-269
Public Exploit ⚠️ Yes
Source NVD
Published 2022-02-24
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
communications-cloud-native-core-binding-support-function — —
communications-cloud-native-core-network-exposure-function — —
communications-cloud-native-core-policy — —
debian-linux — —
h300e — —
h300s — —
h410c — —
h410s — —
h500e — —
h500s — —
h700e — —
h700s — —
linux-kernel 5.16 5.16.12

References

Mailing List, Patch, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/02/22/1
Exploit, Third Party Advisory https://github.com/Bonfee/CVE-2022-25636
Exploit, Mailing List, Third Party Advisory https://www.openwall.com/lists/oss-security/2022/02/21/2
Mailing List, Patch, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/02/22/1
Exploit, Third Party Advisory https://github.com/Bonfee/CVE-2022-25636
Exploit, Mailing List, Third Party Advisory https://www.openwall.com/lists/oss-security/2022/02/21/2

Similar Threats

Exploit Protection

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