Security Vulnerabilities fixed in bpftool-debuginfo RHSA-2021:4647

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type (CVE-2021-43267) kernel: timer tree corruption leads to missing wakeup and system freeze (CVE-2021-20317) kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type (CVE-2021-43267) kernel: timer tree corruption leads to missing wakeup and system freeze (CVE-2021-20317) 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. SolutionFor details on how to apply this update, which includes the changes described in this advisory, refer to:https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect.

Affected Applications

bpftool-debuginfo

CVE References

CVE-2021-43267 CVE-2021-20317

Other References

https://access.redhat.com/errata/RHSA-2021:4647