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redhatRedHatRHSA-2023:4150
HistoryJul 18, 2023 - 7:38 a.m.

(RHSA-2023:4150) Important: kernel-rt security and bug fix update

2023-07-1807:38:34
access.redhat.com
21

7.1 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:A/AC:H/Au:S/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

13.4%

JSON

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

  • kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)

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):

  • kernel-rt: update to the latest RHEL7.9.z24 source tree (BZ#2212577)
OSVersionArchitecturePackageVersionFilename
RedHat7x86_64kernel-rt-debuginfo-common-x86_64< 3.10.0-1160.95.1.rt56.1241.el7kernel-rt-debuginfo-common-x86_64-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debug-debuginfo< 3.10.0-1160.95.1.rt56.1241.el7kernel-rt-debug-debuginfo-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debug-devel< 3.10.0-1160.95.1.rt56.1241.el7kernel-rt-debug-devel-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm
RedHat7x86_64kernel-rt-trace< 3.10.0-1160.95.1.rt56.1241.el7kernel-rt-trace-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm
RedHat7x86_64kernel-rt-devel< 3.10.0-1160.95.1.rt56.1241.el7kernel-rt-devel-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm
RedHat7x86_64kernel-rt-trace-debuginfo< 3.10.0-1160.95.1.rt56.1241.el7kernel-rt-trace-debuginfo-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm
RedHat7x86_64kernel-rt-trace-devel< 3.10.0-1160.95.1.rt56.1241.el7kernel-rt-trace-devel-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm
RedHat7x86_64kernel-rt-kvm< 3.10.0-1160.95.1.rt56.1241.el7kernel-rt-kvm-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debug-kvm-debuginfo< 3.10.0-1160.95.1.rt56.1241.el7kernel-rt-debug-kvm-debuginfo-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm
RedHat7x86_64kernel-rt-trace-kvm< 3.10.0-1160.95.1.rt56.1241.el7kernel-rt-trace-kvm-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm
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7.1 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:A/AC:H/Au:S/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

13.4%

JSON
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