CVE-2022-36946 (High) detected in linuxlinux-4.19.239

[mend-bolt-for-github]

CVE-2022-36946 - High Severity Vulnerability

Vulnerable Library - linuxlinux-4.19.239

The Linux Kernel

Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux

Found in HEAD commit: 8b7c061438f230c475fd8cd97a0917f6ebb9fbe0

Found in base branch: master

Vulnerable Source Files (2)

/net/netfilter/nfnetlink_queue.c
/net/netfilter/nfnetlink_queue.c

Vulnerability Details

nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len.

Publish Date: 2022-07-27

URL: CVE-2022-36946

CVSS 3 Score Details (7.5)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.linuxkernelcves.com/cves/CVE-2022-36946

Release Date: 2022-07-27

Fix Resolution: v4.9.326,v4.14.291,v4.19.255,v5.4.209,v5.10.135,v5.15.59,v5.18.16,v5.19,v5.19

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