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redhatRedHatRHSA-2021:4644
HistoryNov 15, 2021 - 9:55 a.m.

(RHSA-2021:4644) Important: kpatch-patch security update

2021-11-1509:55:37
access.redhat.com
20

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

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.

Security Fix(es):

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

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
RedHat8x86_64kpatch-patch-4_18_0-305_10_2-debugsource< 1-5.el8_4kpatch-patch-4_18_0-305_10_2-debugsource-1-5.el8_4.x86_64.rpm
RedHat8x86_64kpatch-patch-4_18_0-305_3_1-debugsource< 1-7.el8_4kpatch-patch-4_18_0-305_3_1-debugsource-1-7.el8_4.x86_64.rpm
RedHat8ppc64lekpatch-patch-4_18_0-305_3_1-debuginfo< 1-7.el8_4kpatch-patch-4_18_0-305_3_1-debuginfo-1-7.el8_4.ppc64le.rpm
RedHat8ppc64lekpatch-patch-4_18_0-305_10_2-debuginfo< 1-5.el8_4kpatch-patch-4_18_0-305_10_2-debuginfo-1-5.el8_4.ppc64le.rpm
RedHat8ppc64lekpatch-patch-4_18_0-305_25_1-debugsource< 1-2.el8_4kpatch-patch-4_18_0-305_25_1-debugsource-1-2.el8_4.ppc64le.rpm
RedHat8x86_64kpatch-patch-4_18_0-305_10_2< 1-5.el8_4kpatch-patch-4_18_0-305_10_2-1-5.el8_4.x86_64.rpm
RedHat8ppc64lekpatch-patch-4_18_0-305_17_1-debugsource< 1-3.el8_4kpatch-patch-4_18_0-305_17_1-debugsource-1-3.el8_4.ppc64le.rpm
RedHat8x86_64kpatch-patch-4_18_0-305_7_1< 1-6.el8_4kpatch-patch-4_18_0-305_7_1-1-6.el8_4.x86_64.rpm
RedHat8ppc64lekpatch-patch-4_18_0-305_10_2-debugsource< 1-5.el8_4kpatch-patch-4_18_0-305_10_2-debugsource-1-5.el8_4.ppc64le.rpm
RedHat8ppc64lekpatch-patch-4_18_0-305_19_1-debugsource< 1-3.el8_4kpatch-patch-4_18_0-305_19_1-debugsource-1-3.el8_4.ppc64le.rpm
Rows per page:
1-10 of 481

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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
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