CVE-2026-93788

Summary

In the Linux kernel, the following vulnerability has been resolved:

wifi: iwlwifi: acpi: validate WGDS table revision index

Check tbl_rev bounds before BIT(tbl_rev) to avoid undefined shifts when firmware reports an invalid revision value.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2fc98ab6fe8acabd13eb09dc17426a33cf9f27f7affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 346a558491241cbe8fef82b3d8f62d1a6b6bf61faffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 954e821f42aaca56073ca830c5fd4bcf1a89048caffected
LinuxLinux0 < 6.12.111affected
LinuxLinux0 < 6.18.53affected
LinuxLinux6.12.111 <= 6.12.*unaffected
LinuxLinux6.18.53 <= 6.18.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References