Access of Resource Using Incompatible Type ('Type Confusion') Affecting kernel-rt-debug-modules-extra package, versions <0:5.14.0-70.26.1.rt21.98.el9_0
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Test your applications- Snyk ID SNYK-ALMALINUX9-KERNELRTDEBUGMODULESEXTRA-5612177
- published 28 May 2023
- disclosed 20 Sep 2022
Introduced: 20 Sep 2022
CVE-2022-34918 Open this link in a new tabHow to fix?
Upgrade AlmaLinux:9 kernel-rt-debug-modules-extra to version 0:5.14.0-70.26.1.rt21.98.el9_0 or higher.
This issue was patched in ALSA-2022:6582.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules-extra package and not the kernel-rt-debug-modules-extra package as distributed by AlmaLinux.
See How to fix? for AlmaLinux:9 relevant fixed versions and status.
An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could be used by a local attacker to escalate privileges, a different vulnerability than CVE-2022-32250. (The attacker can obtain root access, but must start with an unprivileged user namespace to obtain CAP_NET_ADMIN access.) This can be fixed in nft_setelem_parse_data in net/netfilter/nf_tables_api.c.
References
- https://errata.almalinux.org/9/ALSA-2022-6582.html
- https://errata.almalinux.org/9/ALSA-2022-6610.html
- https://access.redhat.com/security/cve/CVE-2022-34918
- https://access.redhat.com/errata/RHSA-2022:6582
- https://access.redhat.com/errata/RHSA-2022:6610
- https://lore.kernel.org/netfilter-devel/cd9428b6-7ffb-dd22-d949-d86f4869f452@randorisec.fr/T/#u
- http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.html
- http://packetstormsecurity.com/files/168543/Netfilter-nft_set_elem_init-Heap-Overflow-Privilege-Escalation.html
- http://www.openwall.com/lists/oss-security/2022/07/05/1
- http://www.openwall.com/lists/oss-security/2022/08/06/5
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7e6bc1f6cabcd30aba0b11219d8e01b952eacbb6
- https://lore.kernel.org/netfilter-devel/cd9428b6-7ffb-dd22-d949-d86f4869f452%40randorisec.fr/T/#u
- https://security.netapp.com/advisory/ntap-20220826-0004/
- https://www.debian.org/security/2022/dsa-5191
- https://www.openwall.com/lists/oss-security/2022/07/02/3
- https://www.randorisec.fr/crack-linux-firewall/