Information Exposure Affecting kernel-debug package, versions <0:4.18.0-240.22.1.el8_3
Threat Intelligence
EPSS
0.09% (39th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUG-3966131
- published 26 Jul 2021
- disclosed 5 Mar 2021
How to fix?
Upgrade RHEL:8 kernel-debug to version 0:4.18.0-240.22.1.el8_3 or higher.
This issue was patched in RHSA-2021:1093.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
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
- https://security.netapp.com/advisory/ntap-20210409-0001/
- https://access.redhat.com/security/cve/CVE-2021-27364
- 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
- https://bugzilla.suse.com/show_bug.cgi?id=1182717
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=688e8128b7a92df982709a4137ea4588d16f24aa
- https://www.openwall.com/lists/oss-security/2021/03/06/1
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html
- https://access.redhat.com/errata/RHSA-2021:1093
CVSS Scores
version 3.1