Vulnerability · Published Aug 28, 2026 · Assigned by Linux
CVE-2026-80646ipv6: guard against possible NULL deref in __in6_dev_stats_get()
High 7.5
In plain English
A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 46.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.180-1 | DEBIAN-CVE-2026-80646 |
| Debian:13 | linux | 6.12.100-1 | DEBIAN-CVE-2026-80646 |
| Debian:14 | linux | 7.1.5-1 | DEBIAN-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux | 5.15.0-198.208 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux | 6.8.0-147.147 | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux | 7.0.0-38.38 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1117.124 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1067.70 | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux-aws | 7.0.0-1014.14 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-aws-6.14 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-aws-6.17 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-aws-7.0 | 7.0.0-1014.14~24.04.1 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1123.132 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1071.79 | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux-azure | 7.0.0-1017.17 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-azure-6.14 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-azure-6.17 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-azure-7.0 | 7.0.0-1017.17~24.04.1 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1122.131 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-azure-fde | 6.8.0-1069.76 | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux-azure-fde | 7.0.0-1016.16 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.14 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.17 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.8 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-azure-fde-7.0 | 7.0.0-1016.16~24.04.1 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-azure-nvidia-6.14 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1118.128 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1071.79 | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux-gcp | 7.0.0-1014.14 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-gcp-6.14 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-gcp-6.17 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-gcp-7.0 | 7.0.0-1014.14~24.04.1 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1113.119 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1066.74 | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux-gke | 7.0.0-1008.9 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1100.108 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1052.56 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-hwe-6.14 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-hwe-6.17 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-hwe-7.0 | 7.0.0-38.38~24.04.4 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1111.115 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1067.68 | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux-ibm | 7.0.0-1015.15 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1112.118 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1109.114 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-195.205 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-147.147.1 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1112.113 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-nvidia | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux-nvidia | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-nvidia-6.17 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-nvidia-7.0 | 7.0.0-1024.25~24.04.1 | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux-nvidia-bos | 7.0.0-2022.23 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1070.72 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra | 6.8.0-1038.42 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1059.59 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-oem-6.14 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-oem-6.17 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux-oem-7.0 | 7.0.0-1015.15 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1114.120 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1064.67 | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux-oracle | 7.0.0-1013.13 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-oracle-6.14 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-oracle-6.17 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-oracle-7.0 | 7.0.0-1013.13~24.04.1 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux-realtime | 7.0.0-38.38.1 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:26.04:LTS | linux-riscv | 7.0.0-38.38.1 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-riscv-6.14 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-riscv-6.17 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-riscv-7.0 | 7.0.0-38.38.1~24.04.1 | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-vmware | 6.8.0-1008.8 | UBUNTU-CVE-2026-80646 |
| Ubuntu:24.04:LTS | linux-xilinx | no fix listed | UBUNTU-CVE-2026-80646 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1080.84 | UBUNTU-CVE-2026-80646 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – before a23f2c68c6635e41404f189f8f7ae910738cebdbe1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – before e14db43677946bf2095febd294bb3c13ab375ab7e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – before 1a4adfbeb47a212a64539137411f1ca168474d33e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – before 1e3db30a88815bae6e9d5db6f64ac735e615a07ee1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – before 952426a83ca75cea25c09d58944abafaa3ebd242e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – before 0db1949084e85a72d174a7dea3259b94fe5a9305e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – before fc920c0659cdea5afd8721c1155a51564859e075e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f – before 507541c2a8eeb76c02bd2511958f73a8cfa3e1bc |
| Linux | Linux | 5.2 |
References
- https://git.kernel.org/stable/c/a23f2c68c6635e41404f189f8f7ae910738cebdb
- https://git.kernel.org/stable/c/e14db43677946bf2095febd294bb3c13ab375ab7
- https://git.kernel.org/stable/c/1a4adfbeb47a212a64539137411f1ca168474d33
- https://git.kernel.org/stable/c/1e3db30a88815bae6e9d5db6f64ac735e615a07e
- https://git.kernel.org/stable/c/952426a83ca75cea25c09d58944abafaa3ebd242
- https://git.kernel.org/stable/c/0db1949084e85a72d174a7dea3259b94fe5a9305
- https://git.kernel.org/stable/c/fc920c0659cdea5afd8721c1155a51564859e075
- https://git.kernel.org/stable/c/507541c2a8eeb76c02bd2511958f73a8cfa3e1bc