CVE-2022-32250

Sažetak

net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.

Reference

https://www.openwall.com/lists/oss-security/2022/05/31/1
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/net/netfilter?id=520778042ccca019f3ffa136dd0ca565c486cedd
http://www.openwall.com/lists/oss-security/2022/06/03/1
http://www.openwall.com/lists/oss-security/2022/06/04/1
https://www.debian.org/security/2022/dsa-5161
https://bugzilla.redhat.com/show_bug.cgi?id=2092427
http://www.openwall.com/lists/oss-security/2022/06/20/1
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
http://www.openwall.com/lists/oss-security/2022/07/03/6
http://www.openwall.com/lists/oss-security/2022/07/03/5
https://www.debian.org/security/2022/dsa-5173
https://security.netapp.com/advisory/ntap-20220715-0005/
http://www.openwall.com/lists/oss-security/2022/08/25/1
https://github.com/theori-io/CVE-2022-32250-exploit
https://blog.theori.io/research/CVE-2022-32250-linux-kernel-lpe-2022/
http://www.openwall.com/lists/oss-security/2022/09/02/9
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6Y3TC4WUUNKRP7OQA26OVTZTPCS6F2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UIZTJOJCVVEJVOQSCHE6IJQKMPISHQ5L/

CVSS

Base:	7.2
Impact:	10.0
Exploitability:	3.9

Pristup

Vektor	Složenost	Autentikacija
LOCAL	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
COMPLETE	COMPLETE	COMPLETE

CVSS vektor

AV:L/AC:L/Au:N/C:C/I:C/A:C

Zadnje važnije ažuriranje

07-11-2023 - 03:47

Objavljeno

02-06-2022 - 21:15