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CVE-2026-80646

ipv6: guard against possible NULL deref in __in6_dev_stats_get() PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f before a23f2c68c6635e41404f189f8f7ae910738cebdb; affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f before e14db43677946bf2095febd294bb3c13ab375ab7; affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f before 1a4adfbeb47a212a64539137411f1ca168474d33; affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f before 1e3db30a88815bae6e9d5db6f64ac735e615a07e; affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f before 952426a83ca75cea25c09d58944abafaa3ebd242; affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f before 0db1949084e85a72d174a7dea3259b94fe5a9305; affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f before fc920c0659cdea5afd8721c1155a51564859e075; affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f before 507541c2a8eeb76c02bd2511958f73a8cfa3e1bc; affected a24963500a4ec921ce9c2597e0a584e44513afae; affected 4.19.291 before 4.20
Linux / Linuxaffected 5.2; unaffected 0 before 5.2; unaffected 5.10.261 through 5.10.*; unaffected 5.15.212 through 5.15.*; unaffected 6.1.178 through 6.1.*; unaffected 6.6.145 through 6.6.*; unaffected 6.12.97 through 6.12.*; unaffected 6.18.40 through 6.18.*; unaffected 7.1.5 through 7.1.*; unaffected 7.2 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.