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redhatRedHatRHSA-2021:3446
HistorySep 07, 2021 - 4:02 p.m.

(RHSA-2021:3446) Important: kernel security and bug fix update

2021-09-0716:02:16
access.redhat.com
24

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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

39.6%

JSON

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

Security Fix(es):

  • kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c (CVE-2021-0512)

  • kernel: use-after-free in route4_change() in net/sched/cls_route.c (CVE-2021-3715)

  • kernel: powerpc: KVM guest OS users can cause host OS memory corruption (CVE-2021-37576)

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):

  • Guest kernel call trace when boot up with 4T memory and 2 vcpus (BZ#1993552)
OSVersionArchitecturePackageVersionFilename
RedHat8s390xbpftool< 4.18.0-193.65.2.el8_2bpftool-4.18.0-193.65.2.el8_2.s390x.rpm
RedHat8ppc64lekernel-headers< 4.18.0-193.65.2.el8_2kernel-headers-4.18.0-193.65.2.el8_2.ppc64le.rpm
RedHat8s390xpython3-perf< 4.18.0-193.65.2.el8_2python3-perf-4.18.0-193.65.2.el8_2.s390x.rpm
RedHat8aarch64kernel-headers< 4.18.0-193.65.2.el8_2kernel-headers-4.18.0-193.65.2.el8_2.aarch64.rpm
RedHat8ppc64lekernel-modules< 4.18.0-193.65.2.el8_2kernel-modules-4.18.0-193.65.2.el8_2.ppc64le.rpm
RedHat8x86_64perf-debuginfo< 4.18.0-193.65.2.el8_2perf-debuginfo-4.18.0-193.65.2.el8_2.x86_64.rpm
RedHat8ppc64lepython3-perf< 4.18.0-193.65.2.el8_2python3-perf-4.18.0-193.65.2.el8_2.ppc64le.rpm
RedHat8aarch64kernel-tools-libs-devel< 4.18.0-193.65.2.el8_2kernel-tools-libs-devel-4.18.0-193.65.2.el8_2.aarch64.rpm
RedHat8ppc64lebpftool-debuginfo< 4.18.0-193.65.2.el8_2bpftool-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm
RedHat8ppc64lekernel-debug-debuginfo< 4.18.0-193.65.2.el8_2kernel-debug-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm
Rows per page:
1-10 of 1061

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7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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

39.6%

JSON
Related for RHSA-2021:3446
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