CVE-2022-1012

HighCVSS 8.2/10Last modified Oct 14, 2026

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.

Metrics

CVSS 3.1 8.2/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Weakness enumeration

CWE-401

Affected software

Vendor	Product	Versions
n/a	Kernel	Linux kernel version prior to 5.18-rc6
Siemens	SIMATIC S7-1500 TM MFP - GNU/Linux subsystem	< V1.1

References

https://bugzilla.redhat.com/show_bug.cgi?id=2064604Issue Tracking, Third Party Advisory
https://lore.kernel.org/lkml/20220427065233.2075-1-w%401wt.eu/T/
https://security.netapp.com/advisory/ntap-20221020-0006/Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2064604Issue Tracking, Third Party Advisory
https://lore.kernel.org/lkml/20220427065233.2075-1-w%401wt.eu/T/
https://security.netapp.com/advisory/ntap-20221020-0006/Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-561322.html
https://cert-portal.siemens.com/productcert/html/ssa-794697.html

Timeline

Published: Aug 5, 2022
Last modified: Oct 14, 2026
NVD status: Modified

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