CVE-2021-27364

high

Description

An issue was discovered in the Linux kernel through 5.11.3. drivers/scsi/scsi_transport_iscsi.c is adversely affected by the ability of an unprivileged user to craft Netlink messages.

References

Advisories
More

https://www.oracle.com/security-alerts/cpuoct2021.html

https://www.openwall.com/lists/oss-security/2021/03/06/1

https://security.netapp.com/advisory/ntap-20210409-0001/

https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html

https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html

https://bugzilla.suse.com/show_bug.cgi?id=1182717

http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=688e8128b7a92df982709a4137ea4588d16f24aa

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-14123

https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html

Details

Source: Mitre, NVD

Published: 2021-03-07

Updated: 2026-07-30

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:P

Severity: Low

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Severity: High

EPSS

EPSS: 0.00023

Detections

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