In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: fix MLE defragmentation
If either reconf or EPCS multi-link element (MLE) is contained in a non-transmitted profile, the defragmentation routine is called with a pointer to the defragmented copy, but the original elements.
This is incorrect for two reasons: - if the original defragmentation was needed, it will not find the correct data - if the original frame is at a higher address, the parsing will potentially overrun the heap data (though given the layout of the buffers, only into the new defragmentation buffer, and then it has to stop and fail once that's filled with copied data.
Fix it by tracking the container along with the pointer and in doing so also unify the two almost identical defragmentation routines.
CVSS Details
- CVSS 3.1 Base Score: 8.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 28, 2026 | Jul 28, 2026 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | Jul 29, 2026 | Jul 25, 2026 |
| Rocky_linux | — | Upgrade kernel-modules-extraUpgrade kernel-rt-debug-modules-extraUpgrade kernel-zfcpdump-develUpgrade kernel-debug-modulesUpgrade python3-perf-debuginfoUpgrade kernel-debuginfoUpgrade kernel-rt-develUpgrade kernel-uki-virtUpgrade kernel-zfcpdumpUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-modules-coreUpgrade kernel-rt-debug-modulesUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-debug-coreUpgrade kernel-debugUpgrade kernel-debug-develUpgrade kernel-develUpgrade kernel-modules-coreUpgrade kernel-rt-debug-coreUpgrade kernel-rt-modules-coreUpgrade kernel-rt-debugUpgrade kernel-rt-modulesUpgrade kernel-rt-debuginfoUpgrade kernel-debug-modules-coreUpgrade kernel-tools-debuginfoUpgrade kernel-coreUpgrade kernel-rt-coreUpgrade kernel-modules-extra-matchedUpgrade kernel-tools-libsUpgrade kernel-rt-debug-debuginfoUpgrade kernel-zfcpdump-modulesUpgrade rtlaUpgrade kernel-modulesUpgrade kernel-debug-uki-virtUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debug-debuginfoUpgrade kernel-debug-modules-extraUpgrade kernel-devel-matchedUpgrade kernel-debuginfo-common-s390xUpgrade kernelUpgrade libperf-debuginfoUpgrade kernel-zfcpdump-devel-matchedUpgrade perfUpgrade rvUpgrade kernel-zfcpdump-debuginfoUpgrade kernel-rt-modules-extraUpgrade kernel-debug-devel-matchedUpgrade libperfUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade kernel-zfcpdump-coreUpgrade kernel-tools-libs-develUpgrade python3-perfUpgrade kernel-uki-virt-addonsUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-rt | Sep 15, 2026 | Sep 10, 2026 |
| Ubuntu | — | Upgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-nvidia-bos-7.0Upgrade linux-image-nvidiaUpgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-7.0.0-1009-awsUpgrade linux-image-gcp-7.0Upgrade linux-image-raspiUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-aws-64kUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-aws-7.0Upgrade linux-image-aws-64k-7.0Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-nvidia-bosUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-raspi-7.0Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-gcp-64kUpgrade linux-image-nvidia-7.0Upgrade linux-image-raspi-realtimeUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-awsUpgrade linux-image-gcpUpgrade linux-image-7.0.0-1015-raspi-realtime | Jul 28, 2026 | Jul 28, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 31, 2026 | Jul 25, 2026 |
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