Vulnerability · Published Jul 19, 2026 · Assigned by Linux
CVE-2026-64155wifi: ath11k: fix error path leaks in some WMI WOW calls
Medium 5.5
In plain English
A medium-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 0.1% (higher than 2% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.1%top 97.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix error path leaks in some WMI WOW calls Fix two instances where we used to directly return the result of ath11k_wmi_cmd_send(...). Because we did not check the return value, we also did not free the skb in the error path.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.176-1 | DEBIAN-CVE-2026-64155 |
| Debian:13 | linux | 6.12.94-1 | DEBIAN-CVE-2026-64155 |
| Debian:14 | linux | 7.0.12-1 | DEBIAN-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux | 5.15.0-186.196 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux | 6.8.0-139.139 | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux | 7.0.0-28.28 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1112.119 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1064.67 | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux-aws | 7.0.0-1009.9 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-aws-6.14 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-aws-6.17 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1064.67~22.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1117.126 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1067.75 | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux-azure | 7.0.0-1010.10 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-azure-6.14 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-azure-6.17 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1067.75~22.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-azure-7.0 | 7.0.0-1014.14~24.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1117.126 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-azure-fde | 6.8.0-1065.72 | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux-azure-fde | 7.0.0-1009.9 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.14 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.17 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.8 | 6.8.0-1065.72~22.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-azure-fde-7.0 | 7.0.0-1013.13~24.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-azure-nvidia-6.14 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1112.122 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1067.75 | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux-gcp | 7.0.0-1008.8 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-gcp-6.14 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-gcp-6.17 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1067.75~22.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-gcp-7.0 | 7.0.0-1011.11~24.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1108.114 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1062.70 | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux-gke | 7.0.0-1003.4 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1095.103 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1049.53 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-hwe-6.14 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-hwe-6.17 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-hwe-7.0 | 7.0.0-28.28~24.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1106.110 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1064.65 | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux-ibm | 7.0.0-1010.10 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | 6.8.0-1066.67~22.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1107.113 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1104.109 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-184.194 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-139.139.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-139.139.1~22.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1107.108 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1062.65 | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux-nvidia | 7.0.0-1016.16 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-nvidia-6.17 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1062.65~22.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-nvidia-7.0 | 7.0.0-1016.16~24.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux-nvidia-bos | 7.0.0-2016.16 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1062.65.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1064.66 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra | 6.8.0-1035.38 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1053.53 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-oem-6.14 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-oem-6.17 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux-oem-7.0 | 7.0.0-1009.9 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1109.115 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1061.64 | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux-oracle | 7.0.0-1008.8 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-oracle-6.14 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-oracle-6.17 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1061.64~22.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-oracle-7.0 | 7.0.0-1011.11~24.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1106.109 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1064.68 | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux-raspi | 7.0.0-1015.15 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux-realtime | 7.0.0-28.28.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:26.04:LTS | linux-riscv | 7.0.0-28.28.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-riscv-6.14 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-riscv-6.17 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-139.139~22.04.1 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-riscv-7.0 | 7.0.0-28.28.1~24.04.3 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-vmware | 6.8.0-1008.8 | UBUNTU-CVE-2026-64155 |
| Ubuntu:24.04:LTS | linux-xilinx | 6.8.0-1036.37 | UBUNTU-CVE-2026-64155 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1075.79 | UBUNTU-CVE-2026-64155 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 79802b13a492d0fdeb922e98628e5ff1a8b74026 – before d6c7b8d0dc22c0a8743435db8f42d98524b70df379802b13a492d0fdeb922e98628e5ff1a8b74026 – before cd43d587dd333517c806cd24696e6e1a26b9951e79802b13a492d0fdeb922e98628e5ff1a8b74026 – before 3d675896ea03aca631852a2a7e91e6cb8f66496779802b13a492d0fdeb922e98628e5ff1a8b74026 – before 008955b1348452de25bc19d6e0f0f673d4cb9a3c79802b13a492d0fdeb922e98628e5ff1a8b74026 – before acde4692afcdaea6de3e2996ddfaeaa7ae6b013079802b13a492d0fdeb922e98628e5ff1a8b74026 – before d618d322b95c80d5ad7091f35a7193e4050dcc2779802b13a492d0fdeb922e98628e5ff1a8b74026 – before 55dda532bbc261aef495e403c8900c5e2ab5fa34 |
| Linux | Linux | 5.11 |
References
- https://git.kernel.org/stable/c/d6c7b8d0dc22c0a8743435db8f42d98524b70df3
- https://git.kernel.org/stable/c/cd43d587dd333517c806cd24696e6e1a26b9951e
- https://git.kernel.org/stable/c/3d675896ea03aca631852a2a7e91e6cb8f664967
- https://git.kernel.org/stable/c/008955b1348452de25bc19d6e0f0f673d4cb9a3c
- https://git.kernel.org/stable/c/acde4692afcdaea6de3e2996ddfaeaa7ae6b0130
- https://git.kernel.org/stable/c/d618d322b95c80d5ad7091f35a7193e4050dcc27
- https://git.kernel.org/stable/c/55dda532bbc261aef495e403c8900c5e2ab5fa34