RHSA-2021:2523: Important: kernel security and bug fix update
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362) kernel: use-after-free in fs/blockdev.c (CVE-2020-15436) 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.Bug Fix(es): RHEL7.7 - s390/dasd: Fix zero write for FBA devices (BZ#1931440) Kernel experiences panic in updategrouppower() due to division error even with Bug 1701115 fix (BZ#1961623)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:2523?
The severity of RHSA-2021:2523 is classified as Important due to potential exploits.
How do I fix RHSA-2021:2523?
To fix RHSA-2021:2523, update the kernel packages to version 3.10.0-1062.51.1.el7 provided by Red Hat.
What vulnerabilities are addressed in RHSA-2021:2523?
RHSA-2021:2523 addresses vulnerabilities including an integer overflow in Intel Graphics Drivers (CVE-2020-12362) and a use-after-free issue in fs/block_dev.c (CVE-2020-15436).
Which packages are affected by RHSA-2021:2523?
Affected packages include the kernel, bpftool, and their respective debug variants on Red Hat Enterprise Linux 7.
Is it safe to continue using affected systems while waiting to address RHSA-2021:2523?
It is not recommended to continue using affected systems without applying the updates as they could be exploited.