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redhatRedHatRHSA-2023:1467
HistoryMar 27, 2023 - 7:46 a.m.

(RHSA-2023:1467) Important: kernel-rt security and bug fix update

2023-03-2707:46:43
access.redhat.com
23
kernel-rt
real time linux kernel
determinism requirements
security fix
double free
cve-2022-4744
bug fix
rhel-9.0.z8 batch

7.8 High

CVSS3

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

0.0004 Low

EPSS

Percentile

5.1%

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: tun: avoid double free in tun_free_netdev (CVE-2022-4744)

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 RT source tree to the latest RHEL-9.0.z8 Batch (BZ#2174392)
OSVersionArchitecturePackageVersionFilename
RedHat9x86_64kernel-rt-debug-kvm< 5.14.0-70.50.2.rt21.122.el9_0kernel-rt-debug-kvm-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm
RedHat9x86_64kernel-rt-core< 5.14.0-70.50.2.rt21.122.el9_0kernel-rt-core-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm
RedHat9x86_64kernel-rt-modules-extra< 5.14.0-70.50.2.rt21.122.el9_0kernel-rt-modules-extra-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm
RedHat9x86_64kernel-rt-debug-debuginfo< 5.14.0-70.50.2.rt21.122.el9_0kernel-rt-debug-debuginfo-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm
RedHat9x86_64kernel-rt-debug< 5.14.0-70.50.2.rt21.122.el9_0kernel-rt-debug-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm
RedHat9x86_64kernel-rt-debug-devel< 5.14.0-70.50.2.rt21.122.el9_0kernel-rt-debug-devel-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm
RedHat9x86_64kernel-rt-debuginfo< 5.14.0-70.50.2.rt21.122.el9_0kernel-rt-debuginfo-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm
RedHat9x86_64kernel-rt-modules< 5.14.0-70.50.2.rt21.122.el9_0kernel-rt-modules-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm
RedHat9x86_64kernel-rt-debug-modules-extra< 5.14.0-70.50.2.rt21.122.el9_0kernel-rt-debug-modules-extra-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm
RedHat9x86_64kernel-rt-debug-modules< 5.14.0-70.50.2.rt21.122.el9_0kernel-rt-debug-modules-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm
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7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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0.0004 Low

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Percentile

5.1%

JSON
Related for RHSA-2023:1467
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