ELSA-2021-9053

ELSA-2021-9053 - Unbreakable Enterprise kernel security update

Type:	SECURITY
Impact:	IMPORTANT
Release Date:	2021-02-16

Description

[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}

Related CVEs

CVE-2021-26931

CVE-2021-26930

CVE-2021-26932

Updated Packages

Release/Architecture	Filename	sha256	Superseded By Advisory	Channel Label
Oracle Linux 7 (aarch64)	kernel-uek-5.4.17-2036.103.3.1.el7uek.src.rpm	efe4966f5232f0364d28fa7b5af274907aa1ba667d768f3d1f4243eca606c8bb	ELSA-2025-20190	ol7_aarch64_UEKR6
	kernel-uek-5.4.17-2036.103.3.1.el7uek.aarch64.rpm	33b1383461a1bd0b0cd5f94437c00228d34179951e04c1089135643c627e7ca0	ELSA-2025-20190	ol7_aarch64_UEKR6
	kernel-uek-debug-5.4.17-2036.103.3.1.el7uek.aarch64.rpm	8ac1bb6656c6ff59f5ce814474a5c755d577264c8365d5efa86355bbc8e37fae	ELSA-2025-20190	ol7_aarch64_UEKR6
	kernel-uek-debug-devel-5.4.17-2036.103.3.1.el7uek.aarch64.rpm	4a188bb2f1cef4bdda92c7babdd885f912c6c3453807f486002f6d38dfc2d716	ELSA-2025-20190	ol7_aarch64_UEKR6
	kernel-uek-devel-5.4.17-2036.103.3.1.el7uek.aarch64.rpm	7032f96307a4e9ff9bc530c59bfb052bbfcf6379c9cbf3fa0b6172dd184079b7	ELSA-2025-20190	ol7_aarch64_UEKR6
	kernel-uek-doc-5.4.17-2036.103.3.1.el7uek.noarch.rpm	39f75fab00350093380beae6e31e13a19e97fe629a17cf80688414383ecd1445	ELSA-2025-20190	ol7_aarch64_UEKR6
	kernel-uek-tools-5.4.17-2036.103.3.1.el7uek.aarch64.rpm	72c942460592b7b70033b3f390f1483e50033dd4e8521e22689b23eaf5aaa29b	ELSA-2025-20190	ol7_aarch64_UEKR6
	kernel-uek-tools-libs-5.4.17-2036.103.3.1.el7uek.aarch64.rpm	4a6d0d93fb0fbc304668a178f55a0caa972eeb56ba22f67e87b4a4b12c536cdd	ELSA-2025-20019	ol7_aarch64_UEKR6
	perf-5.4.17-2036.103.3.1.el7uek.aarch64.rpm	85db42ec21809dd94d21b62aba3dec0f14917053794967d03841b3f71e2a8a6a	ELSA-2025-20019	ol7_aarch64_UEKR6
	python-perf-5.4.17-2036.103.3.1.el7uek.aarch64.rpm	72d5dda26e5d98d8e9f548c02a930da69434bd1aa5d099918288ad8ad6825c18	ELSA-2025-20019	ol7_aarch64_UEKR6
Oracle Linux 7 (x86_64)	kernel-uek-5.4.17-2036.103.3.1.el7uek.src.rpm	efe4966f5232f0364d28fa7b5af274907aa1ba667d768f3d1f4243eca606c8bb	ELSA-2025-20190	ol7_x86_64_UEKR6
	kernel-uek-5.4.17-2036.103.3.1.el7uek.x86_64.rpm	b1dd10293660f0290abbad7a66fea42b681caa155f2d1276ade34819ca85d053	ELSA-2025-20190	ol7_x86_64_UEKR6
	kernel-uek-debug-5.4.17-2036.103.3.1.el7uek.x86_64.rpm	7af07afab96a066ca953b9629ff62be1c563b0219acfe5782ee13a3ea9d87135	ELSA-2025-20190	ol7_x86_64_UEKR6
	kernel-uek-debug-devel-5.4.17-2036.103.3.1.el7uek.x86_64.rpm	b50544e1cf67cce62555471ef0beb6db21d9d28ea58c5d11f7bc337b1e5ddc45	ELSA-2025-20190	ol7_x86_64_UEKR6
	kernel-uek-devel-5.4.17-2036.103.3.1.el7uek.x86_64.rpm	dce396c5141d5d2001a455a5e0b35ce1d679679cad7a1cd1870386fc0a143f48	ELSA-2025-20190	ol7_x86_64_UEKR6
	kernel-uek-doc-5.4.17-2036.103.3.1.el7uek.noarch.rpm	39f75fab00350093380beae6e31e13a19e97fe629a17cf80688414383ecd1445	ELSA-2025-20190	ol7_x86_64_UEKR6
	kernel-uek-tools-5.4.17-2036.103.3.1.el7uek.x86_64.rpm	777f05b2dac42977c816fa72b0b3e6ad34aa4f485b35327a1793c4c4ef0b9c48	ELSA-2025-20190	ol7_x86_64_UEKR6
Oracle Linux 8 (aarch64)	kernel-uek-5.4.17-2036.103.3.1.el8uek.src.rpm	4d5df4d207180fe23acbde99c29d695671724c93024cd8a017c3785020d22d1b	-	ol8_aarch64_baseos_latest
	kernel-uek-5.4.17-2036.103.3.1.el8uek.src.rpm	4d5df4d207180fe23acbde99c29d695671724c93024cd8a017c3785020d22d1b	-	ol8_aarch64_u3_baseos_patch
	kernel-uek-5.4.17-2036.103.3.1.el8uek.aarch64.rpm	b2abb4dc91be8e79033d3b136f9c0bcf4c6750e31067c0002d78f5dd5310953e	-	ol8_aarch64_baseos_latest
	kernel-uek-5.4.17-2036.103.3.1.el8uek.aarch64.rpm	b2abb4dc91be8e79033d3b136f9c0bcf4c6750e31067c0002d78f5dd5310953e	-	ol8_aarch64_u3_baseos_patch
	kernel-uek-debug-5.4.17-2036.103.3.1.el8uek.aarch64.rpm	a47d9d88f58248b92ea1b948e2aca2ea6e3a8c6025ba1b46d3bb013061f1a138	-	ol8_aarch64_baseos_latest
	kernel-uek-debug-5.4.17-2036.103.3.1.el8uek.aarch64.rpm	a47d9d88f58248b92ea1b948e2aca2ea6e3a8c6025ba1b46d3bb013061f1a138	-	ol8_aarch64_u3_baseos_patch
	kernel-uek-debug-devel-5.4.17-2036.103.3.1.el8uek.aarch64.rpm	32a4c42ef8a2d5ce810e8fc8e66781384055a0dd301eb76dbe7eafedba0cd0f3	-	ol8_aarch64_baseos_latest
	kernel-uek-debug-devel-5.4.17-2036.103.3.1.el8uek.aarch64.rpm	32a4c42ef8a2d5ce810e8fc8e66781384055a0dd301eb76dbe7eafedba0cd0f3	-	ol8_aarch64_u3_baseos_patch
	kernel-uek-devel-5.4.17-2036.103.3.1.el8uek.aarch64.rpm	8c5c3ddb8ddd4be295898cae932c101df15294d9cf0504696f43365ce0524273	-	ol8_aarch64_baseos_latest
	kernel-uek-devel-5.4.17-2036.103.3.1.el8uek.aarch64.rpm	8c5c3ddb8ddd4be295898cae932c101df15294d9cf0504696f43365ce0524273	-	ol8_aarch64_u3_baseos_patch
	kernel-uek-doc-5.4.17-2036.103.3.1.el8uek.noarch.rpm	f920ab71ec0b5f34f69eec41541f24ea4ceac8453666e6bdf33ffe5442065fe3	-	ol8_aarch64_baseos_latest
	kernel-uek-doc-5.4.17-2036.103.3.1.el8uek.noarch.rpm	f920ab71ec0b5f34f69eec41541f24ea4ceac8453666e6bdf33ffe5442065fe3	-	ol8_aarch64_u3_baseos_patch
Oracle Linux 8 (x86_64)	kernel-uek-5.4.17-2036.103.3.1.el8uek.src.rpm	4d5df4d207180fe23acbde99c29d695671724c93024cd8a017c3785020d22d1b	-	ol8_x86_64_UEKR6
	kernel-uek-5.4.17-2036.103.3.1.el8uek.src.rpm	4d5df4d207180fe23acbde99c29d695671724c93024cd8a017c3785020d22d1b	-	ol8_x86_64_baseos_latest
	kernel-uek-5.4.17-2036.103.3.1.el8uek.src.rpm	4d5df4d207180fe23acbde99c29d695671724c93024cd8a017c3785020d22d1b	-	ol8_x86_64_u3_baseos_patch
	kernel-uek-5.4.17-2036.103.3.1.el8uek.x86_64.rpm	0f1130a3669a472d58a9e354eb91fe833940cffdfbec221ccef5cec5c40d1736	-	ol8_x86_64_UEKR6
	kernel-uek-debug-5.4.17-2036.103.3.1.el8uek.x86_64.rpm	cbc0695ca62751758c30327e926bcf8de83fb1816c7644174a6be541cde5da45	-	ol8_x86_64_UEKR6
	kernel-uek-debug-devel-5.4.17-2036.103.3.1.el8uek.x86_64.rpm	2f192c71a07e3061631c5ddf95bdb08f2ad748b3f62c84a372532e5d2b00bc69	-	ol8_x86_64_UEKR6
	kernel-uek-devel-5.4.17-2036.103.3.1.el8uek.x86_64.rpm	b3e52cbef0ff7d98915be88e4c442f16b1dce21e7cdbe59675d3ac1f4d962172	-	ol8_x86_64_UEKR6
	kernel-uek-doc-5.4.17-2036.103.3.1.el8uek.noarch.rpm	f920ab71ec0b5f34f69eec41541f24ea4ceac8453666e6bdf33ffe5442065fe3	-	ol8_x86_64_UEKR6

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