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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 7.16% probability · 94th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel · debian/debian linux · netapp/active iq unified manager · netapp/solidfire \& hci management node · netapp/solidfire \& hci storage node · netapp/solidfire enterprise sds · netapp/hci compute node
- Source
- cve@mitre.org
References
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99a63d36cb3ed5ca3aa6fcb64cffbeaf3b0fb164
- https://lists.debian.org/debian-lts-announce/2022/09/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlMailing List, Third Party Advisory
- https://marc.info/?l=netfilter-devel&m=165883202007292&w=2Mailing List, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220901-0007/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5207Third Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99a63d36cb3ed5ca3aa6fcb64cffbeaf3b0fb164
- https://lists.debian.org/debian-lts-announce/2022/09/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlMailing List, Third Party Advisory
- https://marc.info/?l=netfilter-devel&m=165883202007292&w=2Mailing List, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220901-0007/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5207Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.