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redhatRedHatRHSA-2021:3444
HistorySep 07, 2021 - 2:26 p.m.

(RHSA-2021:3444) Important: kernel security and bug fix update

2021-09-0714:26:29
access.redhat.com
32

0.001 Low

EPSS

Percentile

40.5%

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: race condition in net/can/bcm.c leads to local privilege escalation (CVE-2021-3609)

  • kernel: use-after-free in route4_change() in net/sched/cls_route.c (CVE-2021-3715)

  • kernel: powerpc: KVM guest OS users can cause host OS memory corruption (CVE-2021-37576)

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):

  • Guest kernel call trace when boot up with 4T memory and 2 vcpus (BZ#1993551)