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.
References8
- git.kernel.org/stable/c/0db1949084e85a72d174a7dea3259b94fe5a9305
- git.kernel.org/stable/c/1a4adfbeb47a212a64539137411f1ca168474d33
- git.kernel.org/stable/c/1e3db30a88815bae6e9d5db6f64ac735e615a07e
- git.kernel.org/stable/c/507541c2a8eeb76c02bd2511958f73a8cfa3e1bc
- git.kernel.org/stable/c/952426a83ca75cea25c09d58944abafaa3ebd242
- git.kernel.org/stable/c/a23f2c68c6635e41404f189f8f7ae910738cebdb
- git.kernel.org/stable/c/e14db43677946bf2095febd294bb3c13ab375ab7
- git.kernel.org/stable/c/fc920c0659cdea5afd8721c1155a51564859e075
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 54 · as of 8 November 2026
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.