CVE-2026-80646
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Linux
PublishedAug 28, 2026
First seenAug 28, 2026
How to fix
Update
- Linux Linuxa23f2c68c6635e41404f189f8f7ae910738cebdb, e14db43677946bf2095febd294bb3c13ab375ab7, 1a4adfbeb47a212a64539137411f1ca168474d33, 1e3db30a88815bae6e9d5db6f64ac735e615a07e, 952426a83ca75cea25c09d58944abafaa3ebd242, 0db1949084e85a72d174a7dea3259b94fe5a9305, fc920c0659cdea5afd8721c1155a51564859e075, 507541c2a8eeb76c02bd2511958f73a8cfa3e1bc, 4.20 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f ≤ v < a23f2c68c6635e41404f189f8f7ae910738cebdb, e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f ≤ v < e14db43677946bf2095febd294bb3c13ab375ab7, e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f ≤ v < 1a4adfbeb47a212a64539137411f1ca168474d33, e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f ≤ v < 1e3db30a88815bae6e9d5db6f64ac735e615a07e, e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f ≤ v < 952426a83ca75cea25c09d58944abafaa3ebd242, e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f ≤ v < 0db1949084e85a72d174a7dea3259b94fe5a9305, e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f ≤ v < fc920c0659cdea5afd8721c1155a51564859e075, e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f ≤ v < 507541c2a8eeb76c02bd2511958f73a8cfa3e1bc, a24963500a4ec921ce9c2597e0a584e44513afae, 4.19.291 ≤ v < 4.20, 5.2 | a23f2c68c6635e41404f189f8f7ae910738cebdb, e14db43677946bf2095febd294bb3c13ab375ab7, 1a4adfbeb47a212a64539137411f1ca168474d33, 1e3db30a88815bae6e9d5db6f64ac735e615a07e, 952426a83ca75cea25c09d58944abafaa3ebd242, 0db1949084e85a72d174a7dea3259b94fe5a9305, fc920c0659cdea5afd8721c1155a51564859e075, 507541c2a8eeb76c02bd2511958f73a8cfa3e1bc, 4.20 |
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