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CVE-2026-80646

ipv6: guard against possible NULL deref in __in6_dev_stats_get()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.20, 5.10.261, 5.15.212, 6.1.178, 6.6.145, and 3 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f · fixed in a23f2c68c6635e41404f189f8f7ae910738cebdb; From e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f · fixed in e14db43677946bf2095febd294bb3c13ab375ab7; From e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f · fixed in 1a4adfbeb47a212a64539137411f1ca168474d33; From e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f · fixed in 1e3db30a88815bae6e9d5db6f64ac735e615a07e; From e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f · fixed in 952426a83ca75cea25c09d58944abafaa3ebd242; From e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f · fixed in 0db1949084e85a72d174a7dea3259b94fe5a9305; From e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f · fixed in fc920c0659cdea5afd8721c1155a51564859e075; From e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f · fixed in 507541c2a8eeb76c02bd2511958f73a8cfa3e1bc; From 4.19.291 · fixed in 4.20

  • Linux Linux

    5.2

  • KernelLinux

    From 5.2.0 · fixed in 5.10.261; From 5.11.0 · fixed in 5.15.212; From 5.16.0 · fixed in 6.1.178; From 6.2.0 · fixed in 6.6.145; From 6.7.0 · fixed in 6.12.97; From 6.13.0 · fixed in 6.18.40; From 6.19.0 · fixed in 7.1.5

References 8

git.kernel.org