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redhatRedHatRHSA-2021:4647
HistoryNov 15, 2021 - 9:57 a.m.

(RHSA-2021:4647) Important: kernel security update

2021-11-1509:57:15
access.redhat.com
30

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.044 Low

EPSS

Percentile

92.3%

JSON

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

Security Fix(es):

  • kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type (CVE-2021-43267)

  • kernel: timer tree corruption leads to missing wakeup and system freeze (CVE-2021-20317)

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.

OSVersionArchitecturePackageVersionFilename
RedHat8noarchkernel-abi-stablelists< 4.18.0-348.2.1.el8_5kernel-abi-stablelists-4.18.0-348.2.1.el8_5.noarch.rpm
RedHat8x86_64kernel-tools-debuginfo< 4.18.0-348.2.1.el8_5kernel-tools-debuginfo-4.18.0-348.2.1.el8_5.x86_64.rpm
RedHat8x86_64kernel-debug-modules-extra< 4.18.0-348.2.1.el8_5kernel-debug-modules-extra-4.18.0-348.2.1.el8_5.x86_64.rpm
RedHat8x86_64kernel-modules-extra< 4.18.0-348.2.1.el8_5kernel-modules-extra-4.18.0-348.2.1.el8_5.x86_64.rpm
RedHat8ppc64lekernel-tools< 4.18.0-348.2.1.el8_5kernel-tools-4.18.0-348.2.1.el8_5.ppc64le.rpm
RedHat8x86_64kernel-headers< 4.18.0-348.2.1.el8_5kernel-headers-4.18.0-348.2.1.el8_5.x86_64.rpm
RedHat8x86_64bpftool< 4.18.0-348.2.1.el8_5bpftool-4.18.0-348.2.1.el8_5.x86_64.rpm
RedHat8x86_64kernel-debug-core< 4.18.0-348.2.1.el8_5kernel-debug-core-4.18.0-348.2.1.el8_5.x86_64.rpm
RedHat8s390xkernel-tools-debuginfo< 4.18.0-348.2.1.el8_5kernel-tools-debuginfo-4.18.0-348.2.1.el8_5.s390x.rpm
RedHat8s390xkernel-devel< 4.18.0-348.2.1.el8_5kernel-devel-4.18.0-348.2.1.el8_5.s390x.rpm
Rows per page:
1-10 of 1061

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9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.044 Low

EPSS

Percentile

92.3%

JSON
Related for RHSA-2021:4647
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