Findings

CVE-2022-2588

It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.

Published Jan 8, 2024 · updated Oct 14, 2026 · linux linux kernel

It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 8, 2024 · NIST NVD

    Detected

    It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.

  2. Oct 14, 2026 · NIST NVD

    Updated

    It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.

Affected

  • cpe canonical/ubuntu linux14.04
  • cpe linux/linux kernelversion unspecified

Sources

  • CVE.orgCVE-2022-2588

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2022-2588

    30-day exploitation probability 5.9%

    first.org
  • NIST NVDCVE-2022-2588

    It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.

    nvd.nist.gov

References