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redhatRedHatRHSA-2023:7557
HistoryNov 28, 2023 - 6:03 p.m.

(RHSA-2023:7557) Important: kernel security and bug fix update

2023-11-2818:03:46
access.redhat.com
12
kernel packages linux operating system nvme hw amd cross-process information leak cvss score bz#2234452 bz#2238307

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.028

Percentile

90.8%

JSON

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

Security Fix(es):

  • kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)

  • hw: amd: Cross-Process Information Leak (CVE-2023-20593)

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):

  • Circular locking dependency on rtnl_mutex, nft_commit_mutex, complettion of modprobe nf-logger-2-0, and pernet_ops_rwsem causes hang. (BZ#2234452)

  • i40e: backport selected bugfixes (BZ#2238307)

OSVersionArchitecturePackageVersionFilename
RedHat8ppc64lekernel-headers< 4.18.0-305.114.1.el8_4kernel-headers-4.18.0-305.114.1.el8_4.ppc64le.rpm
RedHat8aarch64kernel-headers< 4.18.0-305.114.1.el8_4kernel-headers-4.18.0-305.114.1.el8_4.aarch64.rpm
RedHat8s390xkernel-zfcpdump-devel< 4.18.0-305.114.1.el8_4kernel-zfcpdump-devel-4.18.0-305.114.1.el8_4.s390x.rpm
RedHat8s390xkernel-tools-debuginfo< 4.18.0-305.114.1.el8_4kernel-tools-debuginfo-4.18.0-305.114.1.el8_4.s390x.rpm
RedHat8s390xkernel-zfcpdump-core< 4.18.0-305.114.1.el8_4kernel-zfcpdump-core-4.18.0-305.114.1.el8_4.s390x.rpm
RedHat8s390xkernel-cross-headers< 4.18.0-305.114.1.el8_4kernel-cross-headers-4.18.0-305.114.1.el8_4.s390x.rpm
RedHat8x86_64python3-perf< 4.18.0-305.114.1.el8_4python3-perf-4.18.0-305.114.1.el8_4.x86_64.rpm
RedHat8aarch64kernel-debug-core< 4.18.0-305.114.1.el8_4kernel-debug-core-4.18.0-305.114.1.el8_4.aarch64.rpm
RedHat8s390xkernel-debug-modules-extra< 4.18.0-305.114.1.el8_4kernel-debug-modules-extra-4.18.0-305.114.1.el8_4.s390x.rpm
RedHat8ppc64leperf< 4.18.0-305.114.1.el8_4perf-4.18.0-305.114.1.el8_4.ppc64le.rpm
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CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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Confidence

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EPSS

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Percentile

90.8%

JSON
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