[El-errata] ELSA-2021-9053 Important: Oracle Linux 8 Unbreakable Enterprise kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2021-9053

http://linux.oracle.com/errata/ELSA-2021-9053.html

The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

x86_64:
kernel-uek-5.4.17-2036.103.3.1.el8uek.x86_64.rpm
kernel-uek-debug-5.4.17-2036.103.3.1.el8uek.x86_64.rpm
kernel-uek-debug-devel-5.4.17-2036.103.3.1.el8uek.x86_64.rpm
kernel-uek-devel-5.4.17-2036.103.3.1.el8uek.x86_64.rpm
kernel-uek-doc-5.4.17-2036.103.3.1.el8uek.noarch.rpm


SRPMS:
http://oss.oracle.com/ol8/SRPMS-updates/kernel-uek-5.4.17-2036.103.3.1.el8uek.src.rpm



Description of changes:

[5.4.17-2036.103.3.1.el8uek]
- xen-blkback: fix error handling in xen_blkbk_map() (Jan Beulich)  [Orabug: 32492109]  {CVE-2021-26930}
- xen-scsiback: don't "handle" error by BUG() (Jan Beulich)  [Orabug: 32492101]  {CVE-2021-26931}
- xen-netback: don't "handle" error by BUG() (Jan Beulich)  [Orabug: 32492101]  {CVE-2021-26931}
- xen-blkback: don't "handle" error by BUG() (Jan Beulich)  [Orabug: 32492101]  {CVE-2021-26931}
- Xen/gntdev: correct error checking in gntdev_map_grant_pages() (Jan Beulich)  [Orabug: 32492093]  {CVE-2021-26932}
- Xen/gntdev: correct dev_bus_addr handling in gntdev_map_grant_pages() (Jan Beulich)  [Orabug: 32492093]  {CVE-2021-26932}
- Xen/x86: also check kernel mapping in set_foreign_p2m_mapping() (Jan Beulich)  [Orabug: 32492093]  {CVE-2021-26932}
- Xen/x86: don't bail early from clear_foreign_p2m_mapping() (Jan Beulich)  [Orabug: 32492093]  {CVE-2021-26932}