CVE-2021-26931

kernel-uek: [5.4.17-2036.103.3.1uek] - xen-blkback: fix error handling in xen_blkbk_map() (Jan Beulich) [Orabug: 32492109] {CVE...

CVE-2021-26931 is fixed in 11 products on 1 platform, first by ELSA-2021-9053, released February 16, 2021. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
IMPORTANT
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0056
46th percentile

[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}

Where it's fixed

ProductFixed inFixReleased
Linux
kernel-uek · ol 8 0:5.4.17-2036.103.3.1.el8uek ELSA-2021-9053 Feb 16, 2021
kernel-uek-container · ol 8 0:5.4.17-2036.103.3.1.el8 ELSA-2021-9057 Feb 16, 2021
kernel-uek-container-debug · ol 8 0:5.4.17-2036.103.3.1.el8 ELSA-2021-9057 Feb 16, 2021
kernel-uek-debug · ol 8 0:5.4.17-2036.103.3.1.el8uek ELSA-2021-9053 Feb 16, 2021
kernel-uek-debug-devel · ol 8 0:5.4.17-2036.103.3.1.el8uek ELSA-2021-9053 Feb 16, 2021
kernel-uek-devel · ol 8 0:5.4.17-2036.103.3.1.el8uek ELSA-2021-9053 Feb 16, 2021
kernel-uek-doc · ol 8 0:5.4.17-2036.103.3.1.el8uek ELSA-2021-9053 Feb 16, 2021
kernel-uek-tools · ol 8 0:5.4.17-2036.103.3.1.el7uek ELSA-2021-9053 Feb 16, 2021
kernel-uek-tools-libs · ol 8 0:5.4.17-2036.103.3.1.el7uek ELSA-2021-9053 Feb 16, 2021
perf · ol 8 0:5.4.17-2036.103.3.1.el7uek ELSA-2021-9053 Feb 16, 2021
python-perf · ol 8 0:5.4.17-2036.103.3.1.el7uek ELSA-2021-9053 Feb 16, 2021