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redhatRedHatRHSA-2021:3676
HistorySep 28, 2021 - 1:53 p.m.

(RHSA-2021:3676) Moderate: kernel security, bug fix, and enhancement update

2021-09-2813:53:01
access.redhat.com
24

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

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

0.001 Low

EPSS

Percentile

22.3%

JSON

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

Security Fix(es):

  • kernel: SVM nested virtualization issue in KVM (AVIC support) (CVE-2021-3653)

  • kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE) (CVE-2021-3656)

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):

  • RHEL8.1 Snapshot1 - [4.18.0-128.el8.ppc64le] [ Brazos 31TB/192 Core ] While running upstream kernel selftest case system crashed ™ (BZ#1996056)

  • Kernel panic at n_tty_set_termios+0x30 (BZ#1998001)

Enhancement(s):

  • ixgbe: ea7813c6167a [netdrv] ixgbe: fix possible deadlock in ixgbe_service_task() (BZ#1993834)

  • [Marvell 8.2 FEAT] update qla2xxx to latest upstream (BZ#2000531)

OSVersionArchitecturePackageVersionFilename
RedHat8aarch64kernel-modules-extra< 4.18.0-147.56.1.el8_1kernel-modules-extra-4.18.0-147.56.1.el8_1.aarch64.rpm
RedHat8x86_64kernel-debug-core< 4.18.0-147.56.1.el8_1kernel-debug-core-4.18.0-147.56.1.el8_1.x86_64.rpm
RedHat8x86_64kernel-tools< 4.18.0-147.56.1.el8_1kernel-tools-4.18.0-147.56.1.el8_1.x86_64.rpm
RedHat8aarch64kernel-debug< 4.18.0-147.56.1.el8_1kernel-debug-4.18.0-147.56.1.el8_1.aarch64.rpm
RedHat8ppc64lekernel-debug-modules< 4.18.0-147.56.1.el8_1kernel-debug-modules-4.18.0-147.56.1.el8_1.ppc64le.rpm
RedHat8ppc64lekernel-modules< 4.18.0-147.56.1.el8_1kernel-modules-4.18.0-147.56.1.el8_1.ppc64le.rpm
RedHat8noarchkernel-doc< 4.18.0-147.56.1.el8_1kernel-doc-4.18.0-147.56.1.el8_1.noarch.rpm
RedHat8x86_64kernel-debug-modules-extra< 4.18.0-147.56.1.el8_1kernel-debug-modules-extra-4.18.0-147.56.1.el8_1.x86_64.rpm
RedHat8s390xkernel-debug-core< 4.18.0-147.56.1.el8_1kernel-debug-core-4.18.0-147.56.1.el8_1.s390x.rpm
RedHat8ppc64lekernel-tools-libs-devel< 4.18.0-147.56.1.el8_1kernel-tools-libs-devel-4.18.0-147.56.1.el8_1.ppc64le.rpm
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8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

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

0.001 Low

EPSS

Percentile

22.3%

JSON
Related for RHSA-2021:3676
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