CVE-2026-89793 | Linux Kernel up to 7.3-rc1 ublk ublk_ch_mmap privileges management

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 6.6.156/6.12.109/6.18.50/7.2.4/7.3-rc1. This issue affects the function ublk_ch_mmap of the component ublk. Such manipulation leads to improper privilege management.

This vulnerability is documented as CVE-2026-89793. The attack needs to be performed locally. There is not any exploit available.

You should upgrade the affected component.VulDB Recent EntriesRead More