Bug 2525456 (CVE-2026-80646) - CVE-2026-80646 kernel: ipv6: guard against possible NULL deref in __in6_dev_stats_get()
Summary: CVE-2026-80646 kernel: ipv6: guard against possible NULL deref in __in6_dev_s...
Keywords:
Status: NEW
Alias: CVE-2026-80646
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-28 07:45 UTC by OSIDB Bzimport
Modified: 2026-09-03 15:50 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-08-28 07:45:55 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ipv6: guard against possible NULL deref in __in6_dev_stats_get()

dev_get_by_index_rcu() could return NULL if the original physical
device is unregistered.

Found by Sashiko.
Comment 1 gkamathe 2026-09-01 11:54:32 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026082842-CVE-2026-80646-2d23@gregkh/T
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