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CVE-2026-80646ipv6: guard against possible NULL deref in __in6_dev_stats_get()
- 7.5HighCVSS base score
- 0.72%Exploitation in 30 daysEPSS · top 46% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By Linux
- 2 days later
· 2 days later
Published
- 49 days later
· 49 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Received | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.72% · top 46% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
- affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – < a23f2c68c6635e41404f189f8f7ae910738cebdb
- affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – < e14db43677946bf2095febd294bb3c13ab375ab7
- affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – < 1a4adfbeb47a212a64539137411f1ca168474d33
- affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – < 1e3db30a88815bae6e9d5db6f64ac735e615a07e
- affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – < 952426a83ca75cea25c09d58944abafaa3ebd242
- affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – < 0db1949084e85a72d174a7dea3259b94fe5a9305
- affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – < fc920c0659cdea5afd8721c1155a51564859e075
- affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – < 507541c2a8eeb76c02bd2511958f73a8cfa3e1bc
- affected a24963500a4ec921ce9c2597e0a584e44513afae
- affected 4.19.291 – < 4.20
- affected 5.2
- unaffected < 5.2
- unaffected 5.10.261 – ≤ 5.10.*
- unaffected 5.15.212 – ≤ 5.15.*
- unaffected 6.1.178 – ≤ 6.1.*
- unaffected 6.6.145 – ≤ 6.6.*
- unaffected 6.12.97 – ≤ 6.12.*
- unaffected 6.18.40 – ≤ 6.18.*
- unaffected 7.1.5 – ≤ 7.1.*
- unaffected 7.2 – ≤ *
References
References8
- https://git.kernel.org/stable/c/a23f2c68c6635e41404f189f8f7ae910738cebdb (opens in a new tab)
- https://git.kernel.org/stable/c/e14db43677946bf2095febd294bb3c13ab375ab7 (opens in a new tab)
- https://git.kernel.org/stable/c/1a4adfbeb47a212a64539137411f1ca168474d33 (opens in a new tab)
- https://git.kernel.org/stable/c/1e3db30a88815bae6e9d5db6f64ac735e615a07e (opens in a new tab)
- https://git.kernel.org/stable/c/952426a83ca75cea25c09d58944abafaa3ebd242 (opens in a new tab)
- https://git.kernel.org/stable/c/0db1949084e85a72d174a7dea3259b94fe5a9305 (opens in a new tab)
- https://git.kernel.org/stable/c/fc920c0659cdea5afd8721c1155a51564859e075 (opens in a new tab)
- https://git.kernel.org/stable/c/507541c2a8eeb76c02bd2511958f73a8cfa3e1bc (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-67522 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-80646)Record last updated .