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CVE-2022-1012

HIGHCVSS 8.2/10EPSS 2.97%

Last modified

CVE-2022-1012 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. 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.. EPSS estimates a 2.97% chance of exploitation in the next 30 days.

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
8.2/10

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

EPSS Probability
2.97%

85.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel< 5.18
LinuxLinux Kernel5.18

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2022-1012?
CVE-2022-1012 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 2.97% probability of exploitation in the next 30 days.
How do I fix CVE-2022-1012?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-1012?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST