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Rewterz Threat Advisory – CVE-2021-27365 – Linux Kernel information disclosure

Severity

Medium

Analysis Summary

CVE-2021-27365

Linux Kernel could allow a local authenticated attacker to obtain sensitive information, caused by an issue with certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. By sending a specially-crafted Netlink message, an attacker could exploit this vulnerability to obtain memory information, and use this information to launch further attacks against the affected system.

Impact

Information disclosure

Affected Vendors

Linux

Affected Products

Linux Kernel 5.11.3

Remediation

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

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