8.8

CVE-2026-72051

net: ip6_tunnel: require CAP_NET_ADMIN in the device netns for changelink

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

net: ip6_tunnel: require CAP_NET_ADMIN in the device netns for changelink

ip6_tnl_changelink() operates on at most two netns, dev_net(dev) and the
tunnel link netns t->net. They differ once the device is created in or
moved to a netns other than the one the request runs in. The rtnl
changelink path checks CAP_NET_ADMIN only against dev_net(dev), so a
caller privileged there but not in t->net can rewrite a tunnel that
lives in t->net.

Gate ip6_tnl_changelink() on rtnl_dev_link_net_capable() at its top,
before any attribute is parsed.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 0bd8762824e73a3cce7b7560a97463301764b616
Version < 2d53ee7daabe733deb81f51d2cc90188f8ad59a1
Status affected
Version 0bd8762824e73a3cce7b7560a97463301764b616
Version < 82e53e7281c71e174f9f5877c566a623c637b406
Status affected
Version 0bd8762824e73a3cce7b7560a97463301764b616
Version < 5252db8fb604321133138c7069d6fc3fcd89cdee
Status affected
Version 0bd8762824e73a3cce7b7560a97463301764b616
Version < 2636d061bc237a2446a146e42dcc6563acfa7432
Status affected
Version 0bd8762824e73a3cce7b7560a97463301764b616
Version < 7f68f7928484f463a5bc0d50e6fdd8d16f55a5aa
Status affected
Version 0bd8762824e73a3cce7b7560a97463301764b616
Version < 234cd54fc500f69db43e37de38603da617fbbeea
Status affected
Version 0bd8762824e73a3cce7b7560a97463301764b616
Version < d4bcc202a3530c856e1cb183384bc9cc8fddab22
Status affected
Version 0bd8762824e73a3cce7b7560a97463301764b616
Version < 2496fa0b7d180b3ad356b514e7ff93bb14e6140a
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 3.12
Status affected
Version 0
Version < 3.12
Status unaffected
Version <= 5.10.*
Version 5.10.266
Status unaffected
Version <= 5.15.*
Version 5.15.217
Status unaffected
Version <= 6.1.*
Version 6.1.184
Status unaffected
Version <= 6.6.*
Version 6.6.148
Status unaffected
Version <= 6.12.*
Version 6.12.101
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 0.16% 0.06
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 8.8 2 6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/2636d061bc237a2446a146e42dcc6563acfa7432
https://git.kernel.org/stable/c/7f68f7928484f463a5bc0d50e6fdd8d16f55a5aa
https://git.kernel.org/stable/c/234cd54fc500f69db43e37de38603da617fbbeea
https://git.kernel.org/stable/c/d4bcc202a3530c856e1cb183384bc9cc8fddab22
https://git.kernel.org/stable/c/2496fa0b7d180b3ad356b514e7ff93bb14e6140a
https://git.kernel.org/stable/c/2d53ee7daabe733deb81f51d2cc90188f8ad59a1
https://git.kernel.org/stable/c/5252db8fb604321133138c7069d6fc3fcd89cdee
https://git.kernel.org/stable/c/82e53e7281c71e174f9f5877c566a623c637b406