Vulnerability in Linux Kernel
CVE-2022-36946
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.089 (95.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.076 · newest: 0.089 · change: +0.012
Affected products
Public proof-of-concept exploits
References
- marc.info/ (Patch, Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5207 (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20220901-0007/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00011.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/10/msg00000.html (mailing-list, Mailing List, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2022-36946?
- CVE-2022-36946 is a high-severity vulnerability in Linux Kernel. CVSS score: 7.5/10. Published 2022-07-27.
- How severe is CVE-2022-36946?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-36946 known to be exploited?
- 19 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.