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redhatRedHatRHSA-2021:2106
HistoryMay 25, 2021 - 2:42 p.m.

(RHSA-2021:2106) Important: kernel security and bug fix update

2021-05-2514:42:01
access.redhat.com
81

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.003 Low

EPSS

Percentile

65.8%

JSON

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: use after free in eventpoll.c may lead to escalation of privilege (CVE-2020-0466)

  • kernel: Integer overflow in Intel® Graphics Drivers (CVE-2020-12362)

  • kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374)

  • kernel: Use after free via PI futex state (CVE-2021-3347)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

  • [Regression] RHEL8.2 - ISST-LTE:pVM:diapvmlp83:sum:memory DLPAR fails to add memory on multiple trials[mm/memory_hotplug.c:1163] (mm-) (BZ#1930170)

  • RHEL8.3 - Include patch: powerpc/pci: Remove LSI mappings on device teardown (xive/pci) (BZ#1931926)

  • [HPEMC 8.1 REGRESSION] skx_uncore: probe of 0008:80:08.0 failed with error -22 (BZ#1947115)

  • [Azure][RHEL-8]Mellanox Patches To Prevent Kernel Hang In MLX4 (BZ#1952072)

  • [HPEMC 8.4 REGRESSION]: perf/x86/intel/uncore kernel panic vulnerability on Haswell and Broadwell servers (BZ#1956686)

OSVersionArchitecturePackageVersionFilename
RedHat8s390xkernel-modules< 4.18.0-147.48.1.el8_1kernel-modules-4.18.0-147.48.1.el8_1.s390x.rpm
RedHat8s390xkernel-devel< 4.18.0-147.48.1.el8_1kernel-devel-4.18.0-147.48.1.el8_1.s390x.rpm
RedHat8s390xkernel-zfcpdump-modules< 4.18.0-147.48.1.el8_1kernel-zfcpdump-modules-4.18.0-147.48.1.el8_1.s390x.rpm
RedHat8s390xkernel-tools< 4.18.0-147.48.1.el8_1kernel-tools-4.18.0-147.48.1.el8_1.s390x.rpm
RedHat8x86_64bpftool< 4.18.0-147.48.1.el8_1bpftool-4.18.0-147.48.1.el8_1.x86_64.rpm
RedHat8ppc64lekernel-debug-modules-extra< 4.18.0-147.48.1.el8_1kernel-debug-modules-extra-4.18.0-147.48.1.el8_1.ppc64le.rpm
RedHat8s390xkernel-zfcpdump-core< 4.18.0-147.48.1.el8_1kernel-zfcpdump-core-4.18.0-147.48.1.el8_1.s390x.rpm
RedHat8ppc64lebpftool-debuginfo< 4.18.0-147.48.1.el8_1bpftool-debuginfo-4.18.0-147.48.1.el8_1.ppc64le.rpm
RedHat8x86_64kernel-debug-modules-extra< 4.18.0-147.48.1.el8_1kernel-debug-modules-extra-4.18.0-147.48.1.el8_1.x86_64.rpm
RedHat8s390xkernel-debuginfo-common-s390x< 4.18.0-147.48.1.el8_1kernel-debuginfo-common-s390x-4.18.0-147.48.1.el8_1.s390x.rpm
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8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.003 Low

EPSS

Percentile

65.8%

JSON
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