Security Vulnerabilities fixed in kpatch-patch-3_10_0 RHSA-2021:2727

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: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909) kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034) kernel: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909) kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034) 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-2021-33034 CVE-2021-33909

Other References

https://access.redhat.com/errata/RHSA-2021:2727