High RHSA-2023:4516 3 CVEs

Red Hat Security Advisory: kpatch-patch security update

Published Sep 13, 2024 · Updated Aug 7, 2026

Ecosystem: Red Hat

Fixed packages 15

Release	Package	Fixed in
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_78_1	0:1-6.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_78_1-debuginfo	0:1-6.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_78_1-debugsource	0:1-6.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_80_1	0:1-5.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_80_1-debuginfo	0:1-5.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_80_1-debugsource	0:1-5.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_81_1	0:1-4.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_81_1-debuginfo	0:1-4.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_81_1-debugsource	0:1-4.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_83_1	0:1-3.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_83_1-debuginfo	0:1-3.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_83_1-debugsource	0:1-3.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_85_1	0:1-1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_85_1-debuginfo	0:1-1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos	kpatch-patch-4_18_0-147_85_1-debugsource	0:1-1.el8_1

Vulnerabilities 3

High 7.8

CVE-2023-1829 Public exploit

Use-after-free in tcindex (traffic control index filter) in the Linux Kernel

A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting…

Linux linux_kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

Apr 12, 2023
High 7.8

CVE-2023-3090

Out-of-bounds write in Linux kernel's ipvlan network driver

A heap out-of-bounds write vulnerability in the Linux Kernel ipvlan network driver can be exploited to achieve local privilege escalation. The out-of-bounds write is caused by missing skb->cb initialization in the ipvlan network driver. The vulnerability is r…

Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

Jun 28, 2023
High 7.8

CVE-2023-35788 Public exploit

An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an o…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Jun 16, 2023

References

article
https://access.redhat.com/security/updates/classification/#important
report
https://bugzilla.redhat.com/show_bug.cgi?id=2188470
report
https://bugzilla.redhat.com/show_bug.cgi?id=2215768
report
https://bugzilla.redhat.com/show_bug.cgi?id=2218672
advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_4516.json
report
https://access.redhat.com/security/cve/CVE-2023-1829
advisory
https://www.cve.org/CVERecord?id=CVE-2023-1829
advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-1829
article
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28
report
https://access.redhat.com/security/cve/CVE-2023-3090
advisory
https://www.cve.org/CVERecord?id=CVE-2023-3090
advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-3090
report
https://access.redhat.com/security/cve/CVE-2023-35788
advisory
https://www.cve.org/CVERecord?id=CVE-2023-35788
advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-35788
article
https://www.openwall.com/lists/oss-security/2023/06/07/1