ELSA-2021-9067

ELSA-2021-9067 - Unbreakable Enterprise kernel security update

Type:	SECURITY
Severity:	IMPORTANT
Release Date:	2021-02-19

Description

[4.14.35-2047.500.10.el7uek]
- xen-blkback: fix error handling in xen_blkbk_map() (Jan Beulich) [Orabug: 32492110] {CVE-2021-26930}
- xen-scsiback: don't handle error by BUG() (Jan Beulich) [Orabug: 32492102] {CVE-2021-26931}
- xen-netback: don't handle error by BUG() (Jan Beulich) [Orabug: 32492102] {CVE-2021-26931}
- xen-blkback: don't handle error by BUG() (Jan Beulich) [Orabug: 32492102] {CVE-2021-26931}
- Xen/gntdev: correct error checking in gntdev_map_grant_pages() (Jan Beulich) [Orabug: 32492094] {CVE-2021-26932}
- Xen/gntdev: correct dev_bus_addr handling in gntdev_map_grant_pages() (Jan Beulich) [Orabug: 32492094] {CVE-2021-26932}
- Xen/x86: also check kernel mapping in set_foreign_p2m_mapping() (Jan Beulich) [Orabug: 32492094] {CVE-2021-26932}
- Xen/x86: don't bail early from clear_foreign_p2m_mapping() (Jan Beulich) [Orabug: 32492094] {CVE-2021-26932}
- tap: fix use-after-free (Michael S. Tsirkin) [Orabug: 32466083]
- vhost scsi: alloc vhost_scsi with kvzalloc() to avoid delay (Dongli Zhang) [Orabug: 32471695]
- Fix double free KASAN warnings and use after free of kmalloc-32 object. (Imran Khan) [Orabug: 32480357]

Related CVEs

CVE-2021-26932

CVE-2021-26930

CVE-2021-26931

Updated Packages

Release/Architecture	Filename	MD5sum	Superseded By Advisory
Oracle Linux 7 (aarch64)	kernel-uek-4.14.35-2047.500.10.el7uek.src.rpm	9983ca5a0a7dba99166ddb15cf0339a5	ELSA-2021-9220
	kernel-uek-4.14.35-2047.500.10.el7uek.aarch64.rpm	5970bb3c2019ab0ce3c17d22af548cac	ELSA-2021-9220
	kernel-uek-debug-4.14.35-2047.500.10.el7uek.aarch64.rpm	9f0a5f192d6726cd6d2c9ad56d4c8e47	ELSA-2021-9220
	kernel-uek-debug-devel-4.14.35-2047.500.10.el7uek.aarch64.rpm	5fc5cba2563bd6f2e8d5196f0810b833	ELSA-2021-9220
	kernel-uek-devel-4.14.35-2047.500.10.el7uek.aarch64.rpm	f75a482d2c20c71de7e6b4ff231a6a31	ELSA-2021-9220
	kernel-uek-headers-4.14.35-2047.500.10.el7uek.aarch64.rpm	691b1c64bf6fb51784ec4910beec668b	ELSA-2021-9222
	kernel-uek-tools-4.14.35-2047.500.10.el7uek.aarch64.rpm	985fe328d07850975ce40e5ee6ef7680	ELSA-2021-9220
	kernel-uek-tools-libs-4.14.35-2047.500.10.el7uek.aarch64.rpm	09df38d9773a65367a7603071ea623b7	ELSA-2021-9220
	kernel-uek-tools-libs-devel-4.14.35-2047.500.10.el7uek.aarch64.rpm	f34924ad16836ea1b13c37a15823e592	ELSA-2021-9222
	perf-4.14.35-2047.500.10.el7uek.aarch64.rpm	80fde9516710c3a3c580c86513bffb3b	ELSA-2021-9220
	python-perf-4.14.35-2047.500.10.el7uek.aarch64.rpm	6a675dbd3176e17943a4a847c527a346	ELSA-2021-9220
Oracle Linux 7 (x86_64)	kernel-uek-4.14.35-2047.500.10.el7uek.src.rpm	9983ca5a0a7dba99166ddb15cf0339a5	ELSA-2021-9220
	kernel-uek-4.14.35-2047.500.10.el7uek.x86_64.rpm	e8a764f8712de7e87f14fe9f7c59d1b5	ELSA-2021-9220
	kernel-uek-debug-4.14.35-2047.500.10.el7uek.x86_64.rpm	090239f9aa2ee60a3f576868d24b4c45	ELSA-2021-9220
	kernel-uek-debug-devel-4.14.35-2047.500.10.el7uek.x86_64.rpm	124c98b24558bea7db103fefa26ecd13	ELSA-2021-9220
	kernel-uek-devel-4.14.35-2047.500.10.el7uek.x86_64.rpm	2f930ceb77eab46b19613d974cb27af2	ELSA-2021-9220
	kernel-uek-doc-4.14.35-2047.500.10.el7uek.noarch.rpm	2ab52062e85902e681c9fb0ef0f020ae	ELSA-2021-9220
	kernel-uek-tools-4.14.35-2047.500.10.el7uek.x86_64.rpm	8e8faafee853dc7ab4bb713375093f2a	ELSA-2021-9220

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