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Vulnerabilities
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CVE-2024-26673

Updated on 02 Apr 2024

Severity

7.1 High severity

Details

CVSS score
7.1
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Links
NISTCIRCLRHELUbuntu

Overview

About vulnerability

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations

  • Disallow families other than NFPROTO_{IPV4,IPV6,INET}.
  • Disallow layer 4 protocol with no ports, since destination port is a mandatory attribute for this object.

Details

Affected product:
AlmaLinux 9.2 ESU , CentOS 6 ELS , CentOS 7 ELS , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , CloudLinux 6 ELS , Oracle Linux 6 ELS , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS
Affected packages:
kernel @ 2.6.32 (+10 more)

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations

  • Disallow families other than NFPROTO_{IPV4,IPV6,INET}.
  • Disallow layer 4 protocol with no ports, since destination port is a mandatory attribute for this object.

Fixes