ipv6: guard against possible NULL deref in __in6_dev_stats_get()
Summary
| CVE | CVE-2026-80646 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-28 08:16:49 UTC |
| Updated | 2026-08-29 07:16:48 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.001760000 probability, percentile 0.072340000 (date 2026-08-28)
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | CNA | DECLARED | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f a23f2c68c6635e41404f189f8f7ae910738cebdb git | Not specified |
| CNA | Linux | Linux | affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f e14db43677946bf2095febd294bb3c13ab375ab7 git | Not specified |
| CNA | Linux | Linux | affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f 1a4adfbeb47a212a64539137411f1ca168474d33 git | Not specified |
| CNA | Linux | Linux | affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f 1e3db30a88815bae6e9d5db6f64ac735e615a07e git | Not specified |
| CNA | Linux | Linux | affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f 952426a83ca75cea25c09d58944abafaa3ebd242 git | Not specified |
| CNA | Linux | Linux | affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f 0db1949084e85a72d174a7dea3259b94fe5a9305 git | Not specified |
| CNA | Linux | Linux | affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f fc920c0659cdea5afd8721c1155a51564859e075 git | Not specified |
| CNA | Linux | Linux | affected e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f 507541c2a8eeb76c02bd2511958f73a8cfa3e1bc git | Not specified |
| CNA | Linux | Linux | affected a24963500a4ec921ce9c2597e0a584e44513afae git | Not specified |
| CNA | Linux | Linux | affected 4.19.291 4.20 semver | Not specified |
| CNA | Linux | Linux | affected 5.2 | Not specified |
| CNA | Linux | Linux | unaffected 5.2 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.261 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.212 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.178 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.145 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.97 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.40 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1.5 7.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/fc920c0659cdea5afd8721c1155a51564859e075 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/952426a83ca75cea25c09d58944abafaa3ebd242 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/1e3db30a88815bae6e9d5db6f64ac735e615a07e | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/a23f2c68c6635e41404f189f8f7ae910738cebdb | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/0db1949084e85a72d174a7dea3259b94fe5a9305 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/1a4adfbeb47a212a64539137411f1ca168474d33 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/e14db43677946bf2095febd294bb3c13ab375ab7 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/507541c2a8eeb76c02bd2511958f73a8cfa3e1bc | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.