VulnerabilityModified

CVE-2022-32250

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.

HIGH 7.8EPSS 2.91%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 2.91% probability · 86th percentile
CISA KEV: Not listed
Weakness: CWE-416
Affected: linux/linux kernel · fedoraproject/fedora · debian/debian linux · netapp/h300s firmware · netapp/h500s firmware · netapp/h700s firmware · netapp/h410s firmware · netapp/h410c firmware
Source: cve@mitre.org

References

http://www.openwall.com/lists/oss-security/2022/06/03/1Exploit, Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/06/04/1Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/06/20/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/07/03/5Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/07/03/6Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/25/1Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/02/9Mailing List, Third Party Advisory
https://blog.theori.io/research/CVE-2022-32250-linux-kernel-lpe-2022/Exploit, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2092427Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/net/netfilter?id=520778042ccca019f3ffa136dd0ca565c486ceddMailing List, Patch, Vendor Advisory
https://github.com/theori-io/CVE-2022-32250-exploitExploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing List, Third Party Advisory
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/
https://security.netapp.com/advisory/ntap-20220715-0005/Third Party Advisory
https://www.debian.org/security/2022/dsa-5161Third Party Advisory
https://www.debian.org/security/2022/dsa-5173Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/05/31/1Exploit, Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/06/03/1Exploit, Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/06/04/1Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/06/20/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/07/03/5Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/07/03/6Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/25/1Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/02/9Mailing List, Third Party Advisory
https://blog.theori.io/research/CVE-2022-32250-linux-kernel-lpe-2022/Exploit, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2092427Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/net/netfilter?id=520778042ccca019f3ffa136dd0ca565c486ceddMailing List, Patch, Vendor Advisory
https://github.com/theori-io/CVE-2022-32250-exploitExploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing List, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.