RHSA-2021:1376: Important: kernel security and bug fix update
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374)</li> <li> kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)</li> <li> kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)</li> <li> kernel: use-after-free in fs/blockdev.c (CVE-2020-15436)</li> <li> kernel: iscsi: unrestricted access to sessions and handles (CVE-2021-27363)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.<br>Bug Fix(es):<br><li> [infiniband] Backport Request to fix Multicast Sendonly joins (BZ#1937820)</li>
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:1376?
The severity of RHSA-2021:1376 has been classified as moderate.
How do I fix RHSA-2021:1376?
To fix RHSA-2021:1376, update the kernel and related packages to version 3.10.0-957.72.1.el7 or newer.
What vulnerabilities are addressed in RHSA-2021:1376?
RHSA-2021:1376 addresses vulnerabilities including CVE-2020-28374 and CVE-2021-27364.
What affected packages are included in RHSA-2021:1376?
Affected packages under RHSA-2021:1376 include kernel, kernel-debug, and kernel-tools among others.
Is RHSA-2021:1376 applicable to all Red Hat systems?
No, RHSA-2021:1376 is specific to Red Hat Enterprise Linux 7 and associated architectures.