Vulnerability · Published May 11, 2021 · Assigned by mitre
CVE-2020-26140
Medium 6.5
In plain English
A medium-severity security flaw in the kernel-tools-libs-devel package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.9% (higher than 87% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)2.9%top 12.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The WEP, WPA, WPA2, and WPA3 implementations accept plaintext frames in a protected Wi-Fi network. An adversary can abuse this to inject arbitrary data frames independent of the network configuration.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-348.el8 | ALSA-2021:4356 |
| Ubuntu:22.04:LTS | linux | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:25.10 | linux | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.10 | linux | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-aws | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-aws | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:25.10 | linux-aws | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux-aws | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.10 | linux-aws | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-aws-6.14 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-aws-6.17 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-aws-7.0 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-azure | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-azure | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:25.10 | linux-azure | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux-azure | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.10 | linux-azure | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-azure-6.14 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-azure-6.17 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-azure-7.0 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-azure-fde | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-azure-fde | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:25.10 | linux-azure-fde | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux-azure-fde | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.10 | linux-azure-fde | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.14 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.17 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.8 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-azure-fde-7.0 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-azure-nvidia-6.14 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-gcp | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-gcp | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:25.10 | linux-gcp | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux-gcp | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.10 | linux-gcp | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-gcp-6.14 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-gcp-6.17 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-gcp-7.0 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-gke | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-gke | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux-gke | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-gkeop | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-gkeop | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-hwe-6.14 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-hwe-6.17 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-hwe-7.0 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-ibm | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-ibm | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux-ibm | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-intel | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-intel-iotg | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-kvm | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-lowlatency | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-lowlatency | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-nvidia | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-nvidia | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux-nvidia | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-nvidia-6.17 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-nvidia-7.0 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux-nvidia-bos | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-oem-6.14 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-oem-6.17 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux-oem-7.0 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-oracle | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-oracle | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:25.10 | linux-oracle | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux-oracle | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.10 | linux-oracle | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-oracle-6.14 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-oracle-6.17 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-oracle-7.0 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:25.10 | linux-raspi | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.10 | linux-raspi | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:25.10 | linux-realtime | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.10 | linux-realtime | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:25.10 | linux-riscv | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:26.10 | linux-riscv | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-riscv-6.14 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-riscv-6.17 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-riscv-7.0 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-vmware | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:24.04:LTS | linux-xilinx | no fix listed | UBUNTU-CVE-2020-26140 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | no fix listed | UBUNTU-CVE-2020-26140 |
Affected products (as reported)
References
- 20210511 Multiple Vulnerabilities in Frame Aggregation and Fragmentation Implementations of 802.11 Specification Affecting Cisco Products: May 2021 vendor-advisory, x_refsource_CISCO
- https://www.fragattacks.com x_refsource_MISC
- https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md x_refsource_MISC
- [oss-security] 20210511 various 802.11 security issues - fragattacks.com mailing-list, x_refsource_MLIST
- https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf x_refsource_CONFIRM
- https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63 x_refsource_MISC
- https://cert-portal.siemens.com/productcert/html/ssa-913875.html
- https://cert-portal.siemens.com/productcert/html/ssa-019200.html