RHSA-2021:2730: 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: sizet-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)</li> <li> kernel: Use after free via PI futex state (CVE-2021-3347)</li> <li> kernel: use-after-free in net/bluetooth/hcievent.c when destroying an hcichan (CVE-2021-33034)</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> [CKI kernel builds]: x86 binaries in non-x86 kernel rpms breaks systemtap [7.9.z] (BZ#1975159)</li>
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:2730?
The severity of RHSA-2021:2730 is classified as moderate.
How do I fix RHSA-2021:2730?
To fix RHSA-2021:2730, update the affected kernel packages to version 3.10.0-957.78.2.el7 or later.
What vulnerabilities are addressed by RHSA-2021:2730?
RHSA-2021:2730 addresses multiple vulnerabilities including CVE-2021-33909 and CVE-2021-3347.
Which packages are affected by RHSA-2021:2730?
The affected packages in RHSA-2021:2730 include kernel, bpftool, and several kernel-related packages in version 3.10.0-957.78.2.el7.
Is it safe to continue using my system with RHSA-2021:2730 unpatched?
It is not recommended to use your system unpatched due to the potential security risks from the vulnerabilities addressed in RHSA-2021:2730.