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redhatRedHatRHSA-2021:2099
HistoryMay 25, 2021 - 6:25 a.m.

(RHSA-2021:2099) Important: kpatch-patch security update

2021-05-2506:25:11
access.redhat.com
82

CVSS2

7.2

Attack Vector

LOCAL

Attack 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

CVSS3

8.1

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

EPSS

0.004

Percentile

72.9%

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

  • 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.

OSVersionArchitecturePackageVersionFilename
RedHat8ppc64lekpatch-patch-4_18_0-147_43_1< 1-4.el8_1kpatch-patch-4_18_0-147_43_1-1-4.el8_1.ppc64le.rpm
RedHat8ppc64lekpatch-patch-4_18_0-147_27_1-debugsource< 1-9.el8_1kpatch-patch-4_18_0-147_27_1-debugsource-1-9.el8_1.ppc64le.rpm
RedHat8x86_64kpatch-patch-4_18_0-147_24_2-debugsource< 1-9.el8_1kpatch-patch-4_18_0-147_24_2-debugsource-1-9.el8_1.x86_64.rpm
RedHat8x86_64kpatch-patch-4_18_0-147_20_1< 1-11.el8_1kpatch-patch-4_18_0-147_20_1-1-11.el8_1.x86_64.rpm
RedHat8ppc64lekpatch-patch-4_18_0-147_32_1-debuginfo< 1-7.el8_1kpatch-patch-4_18_0-147_32_1-debuginfo-1-7.el8_1.ppc64le.rpm
RedHat8ppc64lekpatch-patch-4_18_0-147_38_1-debugsource< 1-6.el8_1kpatch-patch-4_18_0-147_38_1-debugsource-1-6.el8_1.ppc64le.rpm
RedHat8x86_64kpatch-patch-4_18_0-147_27_1-debugsource< 1-9.el8_1kpatch-patch-4_18_0-147_27_1-debugsource-1-9.el8_1.x86_64.rpm
RedHat8ppc64lekpatch-patch-4_18_0-147_34_1-debugsource< 1-7.el8_1kpatch-patch-4_18_0-147_34_1-debugsource-1-7.el8_1.ppc64le.rpm
RedHat8x86_64kpatch-patch-4_18_0-147_24_2-debuginfo< 1-9.el8_1kpatch-patch-4_18_0-147_24_2-debuginfo-1-9.el8_1.x86_64.rpm
RedHat8ppc64lekpatch-patch-4_18_0-147_43_1-debugsource< 1-4.el8_1kpatch-patch-4_18_0-147_43_1-debugsource-1-4.el8_1.ppc64le.rpm
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1-10 of 481

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CVSS2

7.2

Attack Vector

LOCAL

Attack 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

CVSS3

8.1

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

EPSS

0.004

Percentile

72.9%

JSON
Related for RHSA-2021:2099
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