🛡️ CVE-2022-1012 — linux-kernel

🟠 CVSS 8.2 — High ✅ No Known Exploit CWE-401 NVD
8.2
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability high.

Weakness class

CVE-2022-1012 is classified as CWE-401: Memory Leak. Allocated memory is never released, so long-running or repeated operations gradually exhaust it.

Affected software

CVE-2022-1012 is recorded against 1 package.

  • linux-kernel

Timeline and source

Published on 5 August 2022 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

bugzilla.redhat.com
lore.kernel.org
security.netapp.com
bugzilla.redhat.com
lore.kernel.org
security.netapp.com

CVE-2022-1012 on other distributions

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

Details

Severity HIGH
CVSS Score 8.2
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CWE CWE-401
Public Exploit ✅ No
Source NVD
Published 2022-08-05
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
linux-kernel — —

Similar Threats

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