CVE-2021-27365 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H


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Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html
https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html Exploit  Third Party Advisory 
https://bugzilla.suse.com/show_bug.cgi?id=1182715 Issue Tracking  Third Party Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec98ea7070e94cc25a422ec97d1421e28d97b7ee Mailing List  Patch  Vendor Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9dbdf97a5bd92b1a49cee3d591b55b11fd7a6d5 Mailing List  Patch  Vendor Advisory 
https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html
https://security.netapp.com/advisory/ntap-20210409-0001/
https://www.openwall.com/lists/oss-security/2021/03/06/1 Mailing List  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write cwe source acceptance level NIST  

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-27365
NVD Published Date:
03/07/2021
NVD Last Modified:
04/09/2021
Source:
MITRE