Vulnerabilities > CVE-2022-36946
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len.
Vulnerable Configurations
References
- https://marc.info/?l=netfilter-devel&m=165883202007292&w=2
- https://www.debian.org/security/2022/dsa-5207
- https://security.netapp.com/advisory/ntap-20220901-0007/
- https://lists.debian.org/debian-lts-announce/2022/09/msg00011.html
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99a63d36cb3ed5ca3aa6fcb64cffbeaf3b0fb164