CVE-2026-80646
ipv6: guard against possible NULL deref in __in6_dev_stats_get()
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.
INFO
Published Date :
Aug. 28, 2026, 8:16 a.m.
Last Modified :
Aug. 28, 2026, 8:16 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-80646
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the Linux kernel to the latest version.
- Apply relevant security patches for the network stack.
- Verify network device registration before accessing stats.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-80646.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-80646 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-80646
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-80646 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-80646 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 28, 2026
Action Type Old Value New Value Added 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. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/80xxx/CVE-2026-80646.json">CVE-2026-80646</a> Added Reference https://git.kernel.org/stable/c/0db1949084e85a72d174a7dea3259b94fe5a9305 Added Reference https://git.kernel.org/stable/c/1a4adfbeb47a212a64539137411f1ca168474d33 Added Reference https://git.kernel.org/stable/c/1e3db30a88815bae6e9d5db6f64ac735e615a07e Added Reference https://git.kernel.org/stable/c/507541c2a8eeb76c02bd2511958f73a8cfa3e1bc Added Reference https://git.kernel.org/stable/c/952426a83ca75cea25c09d58944abafaa3ebd242 Added Reference https://git.kernel.org/stable/c/a23f2c68c6635e41404f189f8f7ae910738cebdb Added Reference https://git.kernel.org/stable/c/e14db43677946bf2095febd294bb3c13ab375ab7 Added Reference https://git.kernel.org/stable/c/fc920c0659cdea5afd8721c1155a51564859e075