7.8

CVE-2026-74260

netfilter: nf_dup_netdev: add nf_dev_xmit_recursion*() helpers and use them

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_dup_netdev: add nf_dev_xmit_recursion*() helpers and use them

Update nft_dup and nft_fwd to use the nf_dev_xmit_recursion() helpers.
This patch also disables BH when transmitting the skb to address a
possible migration to different CPU leading to imbalanced decrementation
of the recursion counters.

This is modeled after Florian Westphal's dev_xmit_recursion*() API
available since commit 97cdcf37b57e ("net: place xmit recursion in
softnet data") according to its current state in the tree.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
Produkt Linux
Default Statusunaffected
Version f37ad91270397a6d053e8623bdb3cf79859691d2
Version < edf234f71fb327792196f813048ab8f5bd3bb712
Status affected
Version f37ad91270397a6d053e8623bdb3cf79859691d2
Version < 2354e975932dabb06fad239f07a3b68fd1809737
Status affected
HerstellerLinux
Produkt Linux
Default Statusaffected
Version 6.16
Status affected
Version 0
Version < 6.16
Status unaffected
Version <= 7.1.*
Version 7.1.5
Status unaffected
Version <= *
Version 7.2
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.15% 0.051
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/edf234f71fb327792196f813048ab8f5bd3bb712
https://git.kernel.org/stable/c/2354e975932dabb06fad239f07a3b68fd1809737