CVE-2022-1012

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.

CVSS 3.1

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

EPSS

4.4% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-25)

CWE

CWE-401

Published

2022-08-05

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2064604
• https://lore.kernel.org/lkml/20220427065233.2075-1-w%401wt.eu/T/
• https://security.netapp.com/advisory/ntap-20221020-0006/
• https://bugzilla.redhat.com/show_bug.cgi?id=2064604
• https://lore.kernel.org/lkml/20220427065233.2075-1-w%401wt.eu/T/

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