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redhatRedHatRHSA-2023:4819
HistoryAug 29, 2023 - 7:37 a.m.

(RHSA-2023:4819) Important: kernel security and bug fix update

2023-08-2907:37:36
access.redhat.com
45
kernel
security
bug fix
linux
cve
nf_conntrack
nfs
rhel
soft lockup

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

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

22.7%

JSON

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

Security Fix(es):

  • kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)

  • 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):

  • nf_conntrack causing nfs to stall (BZ#2128262)

  • Request to backport upstream commit 5e2d2cc2588b, 26a8b12747c9, and e98fa02c4f2e for RHEL 7.9.z (BZ#2180681)

  • Fix soft lockup happens in gfs2_dir_get_hash_table() (BZ#2190450)

OSVersionArchitecturePackageVersionFilename
RedHat7ppc64kernel< 3.10.0-1160.99.1.el7kernel-3.10.0-1160.99.1.el7.ppc64.rpm
RedHat7ppc64lekernel-debug-debuginfo< 3.10.0-1160.99.1.el7kernel-debug-debuginfo-3.10.0-1160.99.1.el7.ppc64le.rpm
RedHat7ppc64lekernel-tools-libs-devel< 3.10.0-1160.99.1.el7kernel-tools-libs-devel-3.10.0-1160.99.1.el7.ppc64le.rpm
RedHat7ppc64python-perf-debuginfo< 3.10.0-1160.99.1.el7python-perf-debuginfo-3.10.0-1160.99.1.el7.ppc64.rpm
RedHat7ppc64kernel-tools-libs-devel< 3.10.0-1160.99.1.el7kernel-tools-libs-devel-3.10.0-1160.99.1.el7.ppc64.rpm
RedHat7ppc64lekernel-devel< 3.10.0-1160.99.1.el7kernel-devel-3.10.0-1160.99.1.el7.ppc64le.rpm
RedHat7ppc64kernel-devel< 3.10.0-1160.99.1.el7kernel-devel-3.10.0-1160.99.1.el7.ppc64.rpm
RedHat7x86_64perf< 3.10.0-1160.99.1.el7perf-3.10.0-1160.99.1.el7.x86_64.rpm
RedHat7ppc64lekernel-debug-devel< 3.10.0-1160.99.1.el7kernel-debug-devel-3.10.0-1160.99.1.el7.ppc64le.rpm
RedHat7x86_64kernel-headers< 3.10.0-1160.99.1.el7kernel-headers-3.10.0-1160.99.1.el7.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

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

4.3 Medium

CVSS2

Access Vector

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Access Complexity

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Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

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EPSS

Percentile

22.7%

JSON
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