CVE-2021-33033 (High) detected in linuxlinux-4.1.18, linuxlinux-4.1.18

[mend-bolt-for-github[bot]]

CVE-2021-33033 - High Severity Vulnerability

Vulnerable Libraries - linuxlinux-4.1.18, linuxlinux-4.1.18

Vulnerability Details

The Linux kernel before 5.11.14 has a use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c because the CIPSO and CALIPSO refcounting for the DOI definitions is mishandled, aka CID-ad5d07f4a9cd. This leads to writing an arbitrary value.

Publish Date: 2021-05-14

URL: CVE-2021-33033

CVSS 3 Score Details (7.8)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.linuxkernelcves.com/cves/CVE-2021-33033

Release Date: 2021-05-14

Fix Resolution: v4.14.226, v4.19.181, v5.4.106, v5.10.24, v5.11.7

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[mend-bolt-for-github[bot]]

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.