RHSA-2021:3321: 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: out-of-bounds write in xtcompattargetfromuser() in net/netfilter/xtables.c (CVE-2021-22555) kernel: race condition for removal of the HCI controller (CVE-2021-32399) 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): [CKI kernel builds]: x86 binaries in non-x86 kernel rpms breaks systemtap [7.9.z] (BZ#1975162)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:3321?
The severity of RHSA-2021:3321 is classified as important.
How do I fix RHSA-2021:3321?
To fix RHSA-2021:3321, update the kernel packages to version 3.10.0-514.92.1.el7.
What vulnerabilities are addressed in RHSA-2021:3321?
RHSA-2021:3321 addresses vulnerabilities including CVE-2021-22555, which is an out-of-bounds write issue.
What packages are affected by RHSA-2021:3321?
The affected packages include various kernel components like kernel, kernel-debug, and kernel-tools.
Is a reboot required after applying the fix for RHSA-2021:3321?
Yes, a reboot is typically required to ensure the new kernel is loaded after applying the fix for RHSA-2021:3321.