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redhatRedHatRHSA-2022:6872
HistoryOct 11, 2022 - 12:19 p.m.

(RHSA-2022:6872) Important: kernel security update

2022-10-1112:19:05
access.redhat.com
18
kernel packages
linux kernel
privilege escalation
incomplete cleanup
cve-2022-2588
cve-2022-21123
cve-2022-21125
cve-2022-21166
cvss score
references

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.8

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

EPSS

0.001

Percentile

25.3%

JSON

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

Security Fix(es):

  • a use-after-free in cls_route filter implementation may lead to privilege escalation (CVE-2022-2588)

  • Incomplete cleanup of multi-core shared buffers (aka SBDR) (CVE-2022-21123)

  • Incomplete cleanup of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125)

  • Incomplete cleanup in specific special register write operations (aka DRPW) (CVE-2022-21166)

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
RedHat8ppc64lebpftool-debuginfo< 4.18.0-147.76.1.el8_1bpftool-debuginfo-4.18.0-147.76.1.el8_1.ppc64le.rpm
RedHat8ppc64lekernel-tools-debuginfo< 4.18.0-147.76.1.el8_1kernel-tools-debuginfo-4.18.0-147.76.1.el8_1.ppc64le.rpm
RedHat8ppc64lekernel-tools-libs< 4.18.0-147.76.1.el8_1kernel-tools-libs-4.18.0-147.76.1.el8_1.ppc64le.rpm
RedHat8x86_64kernel-debug-core< 4.18.0-147.76.1.el8_1kernel-debug-core-4.18.0-147.76.1.el8_1.x86_64.rpm
RedHat8ppc64lekernel-debug-core< 4.18.0-147.76.1.el8_1kernel-debug-core-4.18.0-147.76.1.el8_1.ppc64le.rpm
RedHat8x86_64kernel-tools-libs< 4.18.0-147.76.1.el8_1kernel-tools-libs-4.18.0-147.76.1.el8_1.x86_64.rpm
RedHat8ppc64lekernel-debuginfo-common-ppc64le< 4.18.0-147.76.1.el8_1kernel-debuginfo-common-ppc64le-4.18.0-147.76.1.el8_1.ppc64le.rpm
RedHat8ppc64lekernel-debug< 4.18.0-147.76.1.el8_1kernel-debug-4.18.0-147.76.1.el8_1.ppc64le.rpm
RedHat8ppc64lekernel-cross-headers< 4.18.0-147.76.1.el8_1kernel-cross-headers-4.18.0-147.76.1.el8_1.ppc64le.rpm
RedHat8x86_64bpftool< 4.18.0-147.76.1.el8_1bpftool-4.18.0-147.76.1.el8_1.x86_64.rpm
Rows per page:
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CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.8

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

EPSS

0.001

Percentile

25.3%

JSON
Related for RHSA-2022:6872
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