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OpenAdvisories
High ELSA-2021-9053 3 CVEs

Important: Unbreakable Enterprise kernel security update (Oracle Linux 7)

Published Feb 16, 2021 · Updated Feb 16, 2021

Summary

[5.4.17-2036.103.3.1uek]
- 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}

Fixed packages 9

ReleasePackageFixed in
Oracle Linux · 7 kernel-uek 0:5.4.17-2036.103.3.1.el8uek
Oracle Linux · 7 kernel-uek-debug 0:5.4.17-2036.103.3.1.el8uek
Oracle Linux · 7 kernel-uek-debug-devel 0:5.4.17-2036.103.3.1.el8uek
Oracle Linux · 7 kernel-uek-devel 0:5.4.17-2036.103.3.1.el8uek
Oracle Linux · 7 kernel-uek-doc 0:5.4.17-2036.103.3.1.el8uek
Oracle Linux · 7 kernel-uek-tools 0:5.4.17-2036.103.3.1.el7uek
Oracle Linux · 7 kernel-uek-tools-libs 0:5.4.17-2036.103.3.1.el7uek
Oracle Linux · 7 perf 0:5.4.17-2036.103.3.1.el7uek
Oracle Linux · 7 python-perf 0:5.4.17-2036.103.3.1.el7uek

Vulnerabilities 3