9.8

CVE-2026-74406

vxlan: Fix potential null-ptr-deref in vxlan_gro_prepare_receive().

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

vxlan: Fix potential null-ptr-deref in vxlan_gro_prepare_receive().

udp_tunnel_sock_release() could set sk->sk_user_data to NULL
while vxlan_gro_prepare_receive() is running.

Let's check if rcu_dereference_sk_user_data() is NULL after
skb_gro_remcsum_init().
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 5602c48cf87562c2f95b831d690631935e834295
Version < 9c58c729d32e7cea5772cc44929c6cd61e5a31cd
Status affected
Version 5602c48cf87562c2f95b831d690631935e834295
Version < f79c80f173fda9545b220c1f094b65fc06c252d0
Status affected
Version 5602c48cf87562c2f95b831d690631935e834295
Version < 08f40c0d23c67c3aa4224c3311e134999c721fb4
Status affected
Version 5602c48cf87562c2f95b831d690631935e834295
Version < 4a8cde6f7281ea2c4c290f9ad9923b3631defceb
Status affected
Version 5602c48cf87562c2f95b831d690631935e834295
Version < ef44dac2a37f86eeae6b88ed10a6d60b35387dfd
Status affected
Version 5602c48cf87562c2f95b831d690631935e834295
Version < 30a45c0bffdd62350261e2f2689fdba426a33578
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 4.7
Status affected
Version 0
Version < 4.7
Status unaffected
Version <= 6.1.*
Version 6.1.178
Status unaffected
Version <= 6.6.*
Version 6.6.145
Status unaffected
Version <= 6.12.*
Version 6.12.97
Status unaffected
Version <= 6.18.*
Version 6.18.40
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 0.5% 0.404
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/9c58c729d32e7cea5772cc44929c6cd61e5a31cd
https://git.kernel.org/stable/c/f79c80f173fda9545b220c1f094b65fc06c252d0
https://git.kernel.org/stable/c/08f40c0d23c67c3aa4224c3311e134999c721fb4
https://git.kernel.org/stable/c/4a8cde6f7281ea2c4c290f9ad9923b3631defceb
https://git.kernel.org/stable/c/ef44dac2a37f86eeae6b88ed10a6d60b35387dfd
https://git.kernel.org/stable/c/30a45c0bffdd62350261e2f2689fdba426a33578