ALT-PU-2022-2094-1
Package kernel-image-un-def updated to version 4.19.247-alt0.M80P.1 for branch p8 in task 302087.
Closed vulnerabilities
Published: 2022-05-26
BDU:2022-03283
Уязвимость функции nft_expr_init программного обеспечения фильтрации пакетов Netfilter ядра операционной системы Linux, позволяющая нарушителю повысить свои привилегии до уровня root
Severity: HIGH (8.8)
Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References:
Published: 2022-06-03
Modified: 2024-11-21
Modified: 2024-11-21
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.
Severity: HIGH (7.8)
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References:
- [oss-security] 20220603 Re: Linux Kernel use-after-free write in netfilter
- [oss-security] 20220603 Re: Linux Kernel use-after-free write in netfilter
- [oss-security] 20220604 Re: Linux Kernel use-after-free write in netfilter
- [oss-security] 20220604 Re: Linux Kernel use-after-free write in netfilter
- [oss-security] 20220620 Re: Linux Kernel use-after-free write in netfilter
- [oss-security] 20220620 Re: Linux Kernel use-after-free write in netfilter
- [oss-security] 20220703 Linux kernel: Netfilter heap buffer overflow: Is this CVE-2022-32250?
- [oss-security] 20220703 Linux kernel: Netfilter heap buffer overflow: Is this CVE-2022-32250?
- [oss-security] 20220703 Re: Linux kernel: Netfilter heap buffer overflow: Is this CVE-2022-32250?
- [oss-security] 20220703 Re: Linux kernel: Netfilter heap buffer overflow: Is this CVE-2022-32250?
- [oss-security] 20220825 Re: Linux Kernel use-after-free write in netfilter
- [oss-security] 20220825 Re: Linux Kernel use-after-free write in netfilter
- [oss-security] 20220902 Re: Linux Kernel use-after-free write in netfilter
- [oss-security] 20220902 Re: Linux Kernel use-after-free write in netfilter
- https://blog.theori.io/research/CVE-2022-32250-linux-kernel-lpe-2022/
- https://blog.theori.io/research/CVE-2022-32250-linux-kernel-lpe-2022/
- https://bugzilla.redhat.com/show_bug.cgi?id=2092427
- https://bugzilla.redhat.com/show_bug.cgi?id=2092427
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/net/netfilter?id=520778042ccca019f3ffa136dd0ca565c486cedd
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/net/netfilter?id=520778042ccca019f3ffa136dd0ca565c486cedd
- https://github.com/theori-io/CVE-2022-32250-exploit
- https://github.com/theori-io/CVE-2022-32250-exploit
- [debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update
- [debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update
- 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/MO6Y3TC4WUUNKRP7OQA26OVTZTPCS6F2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UIZTJOJCVVEJVOQSCHE6IJQKMPISHQ5L/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UIZTJOJCVVEJVOQSCHE6IJQKMPISHQ5L/
- https://security.netapp.com/advisory/ntap-20220715-0005/
- https://security.netapp.com/advisory/ntap-20220715-0005/
- https://www.debian.org/security/2022/dsa-5161
- https://www.debian.org/security/2022/dsa-5161
- DSA-5173
- DSA-5173
- https://www.openwall.com/lists/oss-security/2022/05/31/1
- https://www.openwall.com/lists/oss-security/2022/05/31/1