CVE-2021-27364

Public Exploit

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.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html third party advisory mailing list
https://www.oracle.com/security-alerts/cpuoct2021.html third party advisory patch
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=688e8128b7a92df982709a4137ea4588d16f24aa mailing list patch vendor advisory
https://www.openwall.com/lists/oss-security/2021/03/06/1 third party advisory mailing list
https://bugzilla.suse.com/show_bug.cgi?id=1182717 issue tracking third party advisory
https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html third party advisory exploit
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html vdb entry third party advisory
https://security.netapp.com/advisory/ntap-20210409-0001/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-27364?
CVE-2021-27364 has been scored as a high severity vulnerability.
How to fix CVE-2021-27364?
To fix CVE-2021-27364, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27364 being actively exploited in the wild?
It is possible that CVE-2021-27364 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.