Security Vulnerabilities fixed in kpatch-patch-3_10_0 RHSA-2021:3381

Description

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Security Fix(es): kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555) kernel: race condition for removal of the HCI controller (CVE-2021-32399) kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.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. SolutionFor details on how to apply this update, which includes the changes described in this advisory, refer to:https://access.redhat.com/articles/11258

Affected Applications

kpatch-patch-3_10_0

CVE References

CVE-2021-32399 CVE-2021-22555

Other References

https://access.redhat.com/errata/RHSA-2021:3381