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Findings

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.

Published Aug 5, 2022 · updated Oct 14, 2026 · linux linux kernel

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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 5, 2022 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Affected

  • cpe linux/linux kernelversion unspecified
  • cpe linux/linux kernel5.18

Sources

  • CVE.orgVulnerability recordCVE-2022-1012

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-1012

    30-day exploitation probability 4.3%

    first.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov

References