Date Published: 2021-08-16
QID 239543: Red Hat Update for kernel-rt (RHSA-2021:3088)
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es): kernel: race condition in net/can/bcm.c leads to local privilege escalation (CVE-2021-3609)
kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543)
kernel: out-of-bounds write in xt_compat_target_from_user()
in net/netfilter/x_tables.c (CVE-2021-22555)
Red Hat Enterprise Linux for Real Time 8 x86_64
Red Hat Enterprise Linux for Real Time for NFV 8 x86_64
Red Hat Enterprise Linux for Real Time - Telecommunications Update Service 8.4 x86_64
Red Hat Enterprise Linux for Real Time for NFV - Telecommunications Update Service 8.4 x86_64
Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.
On successful exploitation, it could allow an attacker to execute code.
- RHSA-2021:3088 - access.redhat.com/errata/RHSA-2021:3088?language=en
|RHSA-2021:3088||Red Hat Enterprise Linux||access.redhat.com/errata/RHSA-2021:3088?language=en|