Vulnerability · Published Oct 23, 2026 · Assigned by Linux

CVE-2026-98890wifi: libertas: reject short monitor TX frames

Unrated

In plain English

A 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 0.2% (higher than 8% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 91.7% 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: libertas: reject short monitor TX frames In monitor mode, lbs_hard_start_xmit() casts skb->data to a radiotap TX header, skips that header, and then copies the 802.11 destination address from offset 4 in the remaining frame. The generic length check only rejects zero-length and oversized skbs, so a short monitor frame can be read past the end of the skb data. Require enough bytes for the radiotap TX header and the destination address field before using the monitor-mode header layout.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.190-1DEBIAN-CVE-2026-98890
Debian:13linux6.12.111-1DEBIAN-CVE-2026-98890
Debian:14linux7.2.6-1DEBIAN-CVE-2026-98890
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinuxno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.10linuxno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-aws5.15.0-1119.126UBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.10linux-awsno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-aws-7.0no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-azure5.15.0-1125.134UBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.10linux-azureno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-azure-7.0no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1124.133UBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.10linux-azure-fdeno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-azure-fde-7.0no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-gcp5.15.0-1120.130UBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.10linux-gcpno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-gcp-7.0no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-gke5.15.0-1115.121UBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1102.110UBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-hwe-7.0no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-ibm5.15.0-1113.117UBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1114.120UBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-kvm5.15.0-1111.116UBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-197.207UBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1114.115UBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-nvidia-7.0no fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinux-nvidia-bosno fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1070.72UBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1059.59UBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinux-oem-7.0no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-oracle5.15.0-1116.122UBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.10linux-oracleno fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-oracle-7.0no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.10linux-raspino fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.10linux-realtimeno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-98890
Ubuntu:26.10linux-riscvno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-riscv-7.0no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2026-98890
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2026-98890
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2026-98890

Affected products (as reported)

VendorProductVersions
Linux Linux 876c9d3aeb989cf1961f2c228d309ba5dcfb1172 – before 68c92c991ddb75dfd3fd62a94a1d4d2dde44dc3c876c9d3aeb989cf1961f2c228d309ba5dcfb1172 – before d865dd6de8295f2bfaa83f0f5d49d2bef1543065876c9d3aeb989cf1961f2c228d309ba5dcfb1172 – before 6576baa3fdbaa91fa75e4ba27095f4b8a27349a8876c9d3aeb989cf1961f2c228d309ba5dcfb1172 – before b657cc98d7936c5d9ed7e0e1944ad0e1f36375bb876c9d3aeb989cf1961f2c228d309ba5dcfb1172 – before 443fac3de65c76544b450b9f9903be8989150d55876c9d3aeb989cf1961f2c228d309ba5dcfb1172 – before cdcfd662c67833d89ee3d912efde2eb67c8a7326876c9d3aeb989cf1961f2c228d309ba5dcfb1172 – before 13ff543e0b2c713aedeaadadde686686e949dc78
Linux Linux 2.6.22

References