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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:248064
[Eng]
Version
9
Class
vulnerability
ALTXid
477700
Language
Russian
Severity
High
Title
Red Hat -- уязвимость в kernel, kernel-rt, kpatch-patch (CVE-2023-4921)
Description
В продуктах kernel, kernel-rt, kpatch-patch обнаружена уязвимость CVE-2023-4921.
Family
unix
Platform
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 7.6
Red Hat Enterprise Linux 7.7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8.2
Red Hat Enterprise Linux 8.4
Red Hat Enterprise Linux 8.6
Red Hat Enterprise Linux 8.8
Product
kernel
kernel-rt
kpatch-patch
Reference
VENDOR: RHSA-2024:1404
VENDOR: RHSA-2024:1404
Id:
RHSA-2024:1404
Reference:
https://access.redhat.com/errata/RHSA-2024:1404
VENDOR: RHSA-2024:0562
VENDOR: RHSA-2024:0562
Id:
RHSA-2024:0562
Reference:
https://access.redhat.com/errata/RHSA-2024:0562
VENDOR: RHSA-2024:0563
VENDOR: RHSA-2024:0563
Id:
RHSA-2024:0563
Reference:
https://access.redhat.com/errata/RHSA-2024:0563
VENDOR: RHSA-2024:1332
VENDOR: RHSA-2024:1332
Id:
RHSA-2024:1332
Reference:
https://access.redhat.com/errata/RHSA-2024:1332
VENDOR: RHSA-2024:1368
VENDOR: RHSA-2024:1368
Id:
RHSA-2024:1368
Reference:
https://access.redhat.com/errata/RHSA-2024:1368
VENDOR: RHSA-2024:1278
VENDOR: RHSA-2024:1278
Id:
RHSA-2024:1278
Reference:
https://access.redhat.com/errata/RHSA-2024:1278
VENDOR: RHSA-2024:1269
VENDOR: RHSA-2024:1269
Id:
RHSA-2024:1269
Reference:
https://access.redhat.com/errata/RHSA-2024:1269
VENDOR: RHSA-2024:1268
VENDOR: RHSA-2024:1268
Id:
RHSA-2024:1268
Reference:
https://access.redhat.com/errata/RHSA-2024:1268
VENDOR: RHSA-2024:1249
VENDOR: RHSA-2024:1249
Id:
RHSA-2024:1249
Reference:
https://access.redhat.com/errata/RHSA-2024:1249
VENDOR: RHSA-2024:1323
VENDOR: RHSA-2024:1323
Id:
RHSA-2024:1323
Reference:
https://access.redhat.com/errata/RHSA-2024:1323
VENDOR: RHSA-2024:0881
VENDOR: RHSA-2024:0881
Id:
RHSA-2024:0881
Reference:
https://access.redhat.com/errata/RHSA-2024:0881
VENDOR: RHSA-2024:0980
VENDOR: RHSA-2024:0980
Id:
RHSA-2024:0980
Reference:
https://access.redhat.com/errata/RHSA-2024:0980
VENDOR: RHSA-2024:0999
VENDOR: RHSA-2024:0999
Id:
RHSA-2024:0999
Reference:
https://access.redhat.com/errata/RHSA-2024:0999
VENDOR: RHSA-2024:0876
VENDOR: RHSA-2024:0876
Id:
RHSA-2024:0876
Reference:
https://access.redhat.com/errata/RHSA-2024:0876
VENDOR: RHSA-2024:0897
VENDOR: RHSA-2024:0897
Id:
RHSA-2024:0897
Reference:
https://access.redhat.com/errata/RHSA-2024:0897
VENDOR: RHSA-2024:0851
VENDOR: RHSA-2024:0851
Id:
RHSA-2024:0851
Reference:
https://access.redhat.com/errata/RHSA-2024:0851
VENDOR: RHSA-2024:0724
VENDOR: RHSA-2024:0724
Id:
RHSA-2024:0724
Reference:
https://access.redhat.com/errata/RHSA-2024:0724
CVE: CVE-2023-4921
CVE: CVE-2023-4921
Id:
CVE-2023-4921
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4921
Comment
: A use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation. When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue(). We recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8fc134fee27f2263988ae38920bc03da416b03d8 (MISC)
https://kernel.dance/8fc134fee27f2263988ae38920bc03da416b03d8 (MISC)
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html (MISC)
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html ()
VENDOR: RHSA-2024:0593
VENDOR: RHSA-2024:0593
Id:
RHSA-2024:0593
Reference:
https://access.redhat.com/errata/RHSA-2024:0593
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