CVE-2022-36946
HIGH 7.5EPSS 8.9%
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.
- CVSS v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS
- 8.87% chance of exploitation in the next 30 days, 95th percentile
- Published
- 2022-07-27
- Updated
- 2026-10-14
Proof-of-concept exploits (2)
- Pwnzer0tt1/CVE-2022-3694622★ · 2024-06-21
- Satheesh575555/linux-4.19.72_CVE-2022-369461★ · 2022-11-10
Security advisories
- https://lists.debian.org/debian-lts-announce/2022/09/msg00011.html
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
- https://marc.info/?l=netfilter-devel&m=165883202007292&w=2
- https://security.netapp.com/advisory/ntap-20220901-0007
- https://www.debian.org/security/2022/dsa-5207