CVE-2022-36946
7.5
HIGH
CVSS 3.1
EPSS 5.5%
Description
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.
How to fix CVE-2022-36946
To remediate CVE-2022-36946, upgrade the affected package to a fixed version below.
- Debian/linux—upgrade to 5.10.136-1 or later
Is CVE-2022-36946 being exploited?
Moderate — EPSS is 5.5%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 5.10.136-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |