Date Published: 2021-08-16
QID 239542: Red Hat Update for kpatch-patch (RHSA-2021:3044)
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: 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 x86_64 8 x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
Red Hat Enterprise Linux Server - AUS 8.4 x86_64
Red Hat Enterprise Linux for Power, little endian 8 ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4 ppc64le
Red Hat Enterprise Linux Server - TUS 8.4 x86_64
Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.4 ppc64le
Red Hat Enterprise Linux Server - Update Services for SAP Solutions 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-2021:3044 - access.redhat.com/errata/RHSA-2021:3044?language=en
|RHSA-2021:3044||Red Hat Enterprise Linux||access.redhat.com/errata/RHSA-2021:3044?language=en|