CVE-2026-74258
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 89ae89f53d201143560f1e9ed4bfa62eee34f88e < c6d51ad36490013ee9df94a372d3bf794bd304d1 | affected |
| Linux | Linux | 89ae89f53d201143560f1e9ed4bfa62eee34f88e < 4d87a251d45b4a95eb4c0abcfab809c9f231258a | affected |
| Linux | Linux | 6.6 | affected |
| Linux | Linux | 0 < 6.6 | unaffected |
| Linux | Linux | 7.1.5 <= 7.1.* | unaffected |
| Linux | Linux | 7.2 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/c6d51ad36490013ee9df94a372d3bf794bd304d1
- https://git.kernel.org/stable/c/4d87a251d45b4a95eb4c0abcfab809c9f231258a
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.