CVE-2026-74258
bpf: Guard __get_user acesss with access_ok for uprobe_multi data
CVSS Score
7.8
EPSS Score
0.2%
EPSS Percentile
5th
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/[email protected]/
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 15, 2026 |
| Last Updated | Sep 21, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
89ae89f53d201143560f1e9ed4bfa62eee34f88e < 2c387db784293256d35fd3d438f577cc82bb823d 89ae89f53d201143560f1e9ed4bfa62eee34f88e < a9f1395028c2bbe18e57864cc355c11faff488cb 89ae89f53d201143560f1e9ed4bfa62eee34f88e < c6d51ad36490013ee9df94a372d3bf794bd304d1 89ae89f53d201143560f1e9ed4bfa62eee34f88e < 4d87a251d45b4a95eb4c0abcfab809c9f231258a
Linux / Linux
6.6
References
git.kernel.org: https://git.kernel.org/stable/c/2c387db784293256d35fd3d438f577cc82bb823d git.kernel.org: https://git.kernel.org/stable/c/a9f1395028c2bbe18e57864cc355c11faff488cb git.kernel.org: https://git.kernel.org/stable/c/c6d51ad36490013ee9df94a372d3bf794bd304d1 git.kernel.org: https://git.kernel.org/stable/c/4d87a251d45b4a95eb4c0abcfab809c9f231258a