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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:247586
[Rus]
Version
10
Class
vulnerability
ALTXid
477118
Language
English
Severity
High
Title
Red Hat -- vulnerability in kpatch-patch, kernel (CVE-2023-4623)
Description
The vulnerability was found in kpatch-patch, kernel.
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
Red Hat Enterprise Linux 9
Red Hat Enterprise Linux 9.0
Red Hat Enterprise Linux 9.2
Product
kernel
kernel-rt
kpatch-patch
Reference
VENDOR: RHSA-2024:2003
VENDOR: RHSA-2024:2003
Id:
RHSA-2024:2003
Reference:
https://access.redhat.com/errata/RHSA-2024:2003
VENDOR: RHSA-2024:2004
VENDOR: RHSA-2024:2004
Id:
RHSA-2024:2004
Reference:
https://access.redhat.com/errata/RHSA-2024:2004
VENDOR: RHSA-2024:1960
VENDOR: RHSA-2024:1960
Id:
RHSA-2024:1960
Reference:
https://access.redhat.com/errata/RHSA-2024:1960
VENDOR: RHSA-2024:1746
VENDOR: RHSA-2024:1746
Id:
RHSA-2024:1746
Reference:
https://access.redhat.com/errata/RHSA-2024:1746
VENDOR: RHSA-2024:1747
VENDOR: RHSA-2024:1747
Id:
RHSA-2024:1747
Reference:
https://access.redhat.com/errata/RHSA-2024:1747
VENDOR: RHSA-2024:0412
VENDOR: RHSA-2024:0412
Id:
RHSA-2024:0412
Reference:
https://access.redhat.com/errata/RHSA-2024:0412
VENDOR: RHSA-2024:0431
VENDOR: RHSA-2024:0431
Id:
RHSA-2024:0431
Reference:
https://access.redhat.com/errata/RHSA-2024:0431
VENDOR: RHSA-2024:0439
VENDOR: RHSA-2024:0439
Id:
RHSA-2024:0439
Reference:
https://access.redhat.com/errata/RHSA-2024:0439
VENDOR: RHSA-2024:0448
VENDOR: RHSA-2024:0448
Id:
RHSA-2024:0448
Reference:
https://access.redhat.com/errata/RHSA-2024:0448
VENDOR: RHSA-2024:0563
VENDOR: RHSA-2024:0563
Id:
RHSA-2024:0563
Reference:
https://access.redhat.com/errata/RHSA-2024:0563
VENDOR: RHSA-2024:0562
VENDOR: RHSA-2024:0562
Id:
RHSA-2024:0562
Reference:
https://access.redhat.com/errata/RHSA-2024:0562
VENDOR: RHSA-2024:1268
VENDOR: RHSA-2024:1268
Id:
RHSA-2024:1268
Reference:
https://access.redhat.com/errata/RHSA-2024:1268
VENDOR: RHSA-2024:1269
VENDOR: RHSA-2024:1269
Id:
RHSA-2024:1269
Reference:
https://access.redhat.com/errata/RHSA-2024:1269
VENDOR: RHSA-2024:1278
VENDOR: RHSA-2024:1278
Id:
RHSA-2024:1278
Reference:
https://access.redhat.com/errata/RHSA-2024:1278
VENDOR: RHSA-2024:0881
VENDOR: RHSA-2024:0881
Id:
RHSA-2024:0881
Reference:
https://access.redhat.com/errata/RHSA-2024:0881
VENDOR: RHSA-2024:0897
VENDOR: RHSA-2024:0897
Id:
RHSA-2024:0897
Reference:
https://access.redhat.com/errata/RHSA-2024:0897
VENDOR: RHSA-2024:0876
VENDOR: RHSA-2024:0876
Id:
RHSA-2024:0876
Reference:
https://access.redhat.com/errata/RHSA-2024:0876
VENDOR: RHSA-2024:0381
VENDOR: RHSA-2024:0381
Id:
RHSA-2024:0381
Reference:
https://access.redhat.com/errata/RHSA-2024:0381
VENDOR: RHSA-2024:0575
VENDOR: RHSA-2024:0575
Id:
RHSA-2024:0575
Reference:
https://access.redhat.com/errata/RHSA-2024:0575
VENDOR: RHSA-2024:0593
VENDOR: RHSA-2024:0593
Id:
RHSA-2024:0593
Reference:
https://access.redhat.com/errata/RHSA-2024:0593
VENDOR: RHSA-2024:0554
VENDOR: RHSA-2024:0554
Id:
RHSA-2024:0554
Reference:
https://access.redhat.com/errata/RHSA-2024:0554
CVE: CVE-2023-4623
CVE: CVE-2023-4623
Id:
CVE-2023-4623
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4623
Comment
: A use-after-free vulnerability in the Linux kernel's net/sched: sch_hfsc (HFSC qdisc traffic control) component can be exploited to achieve local privilege escalation. If a class with a link-sharing curve (i.e. with the HFSC_FSC flag set) has a parent without a link-sharing curve, then init_vf() will call vttree_insert() on the parent, but vttree_remove() will be skipped in update_vf(). This leaves a dangling pointer that can cause a use-after-free. We recommend upgrading past commit b3d26c5702c7d6c45456326e56d2ccf3f103e60f.
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://kernel.dance/b3d26c5702c7d6c45456326e56d2ccf3f103e60f (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b3d26c5702c7d6c45456326e56d2ccf3f103e60f (MISC)
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html (MISC)
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html ()
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html ()
VENDOR: RHSA-2024:0378
VENDOR: RHSA-2024:0378
Id:
RHSA-2024:0378
Reference:
https://access.redhat.com/errata/RHSA-2024:0378
VENDOR: RHSA-2024:0340
VENDOR: RHSA-2024:0340
Id:
RHSA-2024:0340
Reference:
https://access.redhat.com/errata/RHSA-2024:0340
VENDOR: RHSA-2024:0432
VENDOR: RHSA-2024:0432
Id:
RHSA-2024:0432
Reference:
https://access.redhat.com/errata/RHSA-2024:0432
VENDOR: RHSA-2024:0386
VENDOR: RHSA-2024:0386
Id:
RHSA-2024:0386
Reference:
https://access.redhat.com/errata/RHSA-2024:0386
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