CVE-2026-74258

Summary

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

bpf: Guard __get_user acesss with access_ok for uprobe_multi data

As reported by sashiko [1] we need to use access_ok to check the user space data bounds before we use __get-user to get it.

[1] https://lore.kernel.org/bpf/20260610145235.CB1441F00893@smtp.kernel.org/

Affected Software

VendorProductVersion RangeStatus
LinuxLinux89ae89f53d201143560f1e9ed4bfa62eee34f88e < c6d51ad36490013ee9df94a372d3bf794bd304d1affected
LinuxLinux89ae89f53d201143560f1e9ed4bfa62eee34f88e < 4d87a251d45b4a95eb4c0abcfab809c9f231258aaffected
LinuxLinux6.6affected
LinuxLinux0 < 6.6unaffected
LinuxLinux7.1.5 <= 7.1.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References