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Case File

CVE-2021-27365

HIGH · CVSS 7.8 EPSS 2.08% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-07 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-27365
Severity
HIGH
CVSS
7.8
EPSS
2.08%
Linux

Original NVD Description

An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.

Related CVEs

Other vulnerabilities affecting the same vendor(s)