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Rewterz Threat Advisory – CVE-2023-42756 – Linux Kernel Vulnerability

Severity

Medium

Analysis Summary

CVE-2023-42756

Linux Kernel is vulnerable to a denial of service, caused by a race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP in netfilter/ip_set. By sending a specially crafted request, a local authenticated attacker could exploit this vulnerability to cause a denial of service condition.

Impact

  • Denial of Service

Indicators Of Compromise

CVE

  • CVE-2023-42756

Affected Vendors

Linux

Affected Products

  • Linux Kernel 6.5.rc7
  • Linux Kernel 6.1
  • Linux Kernel 5.10

Remediation

Refer to Linux Kernel GIT Repository for patch, upgrade or suggested workaround information.

Linux Kernel GIT Repository