CVE-2022-36946

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 breakdown

Affected products

• Debian / debian_linux10.0 – 10.0
• Debian / debian_linux11.0 – 11.0
• Linux / Linux kernel2.6.14 – 4.9.326
• NetApp / active_iq_unified_manager
• NetApp / hci_compute_node
• NetApp / solidfire_enterprise_sds
• NetApp / solidfire_&_hci_management_node
• NetApp / solidfire_&_hci_storage_node

References

• MAILING_LISThttps://marc.info/?l=netfilter-devel&m=165883202007292&w=2
• VENDOR_ADVISORYhttps://www.debian.org/security/2022/dsa-5207
• MISChttps://security.netapp.com/advisory/ntap-20220901-0007/
• MAILING_LISThttps://lists.debian.org/debian-lts-announce/2022/09/msg00011.html
• MAILING_LISThttps://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
• MISChttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99a63d36cb3ed5ca3aa6fcb64cffbeaf3b0fb164