Linux Distros Unpatched Vulnerability : CVE-2026-90279

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - md/raid5: round bitmap stripes with sector division raid5bitmapsectormap aligns the array range to full RAID5 stripe widths before converting it to component...

CVE-2026-90279

In the Linux kernel, the following vulnerability has been resolved: md/raid5: round bitmap stripes with sector division raid5bitmapsectormap aligns the array range to full RAID5 stripe widths before converting it to component sectors. That width is chunksectors multiplied by the number of data...

CVE-2026-90279 md/raid5: round bitmap stripes with sector division

In the Linux kernel, the following vulnerability has been resolved: md/raid5: round bitmap stripes with sector division raid5bitmapsectormap aligns the array range to full RAID5 stripe widths before converting it to component sectors. That width is chunksectors multiplied by the number of data...

CVE-2026-90279

CVE-2026-90279 affects the Linux kernel md/raid5 subsystem, specifically the raid5_bitmap_sector_map() function. The root cause is that this function aligns array ranges to full RAID5 stripe widths using round_down()/round_up() mask-based arithmetic, which fails when the stripe width (chunk secto...