Description
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.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
References
- MAILING_LISThttps://www.openwall.com/lists/oss-security/2022/05/31/1
- MISChttps://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/net/netfilter?id=520778042ccca019f3ffa136dd0ca565c486cedd
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2022/06/03/1
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2022/06/04/1
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6Y3TC4WUUNKRP7OQA26OVTZTPCS6F2/
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UIZTJOJCVVEJVOQSCHE6IJQKMPISHQ5L/
- VENDOR_ADVISORYhttps://www.debian.org/security/2022/dsa-5161
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=2092427
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2022/06/20/1
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2022/07/03/6
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2022/07/03/5
- VENDOR_ADVISORYhttps://www.debian.org/security/2022/dsa-5173
- MISChttps://security.netapp.com/advisory/ntap-20220715-0005/
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2022/08/25/1
- MISChttps://blog.theori.io/research/CVE-2022-32250-linux-kernel-lpe-2022/
- MISChttps://github.com/theori-io/CVE-2022-32250-exploit
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2022/09/02/9
Updated 15m ago · 8 sources