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CVE-2026-74258

bpf: Guard __get_user acesss with access_ok for uprobe_multi data

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 6.6.158, 6.12.111, 6.18.53, 7.1.5
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

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/

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From 89ae89f53d201143560f1e9ed4bfa62eee34f88e · fixed in ff6c5ee77dcc98381290d16af53f6262625870a6; From 89ae89f53d201143560f1e9ed4bfa62eee34f88e · fixed in 2c387db784293256d35fd3d438f577cc82bb823d; From 89ae89f53d201143560f1e9ed4bfa62eee34f88e · fixed in a9f1395028c2bbe18e57864cc355c11faff488cb; From 89ae89f53d201143560f1e9ed4bfa62eee34f88e · fixed in c6d51ad36490013ee9df94a372d3bf794bd304d1; From 89ae89f53d201143560f1e9ed4bfa62eee34f88e · fixed in 4d87a251d45b4a95eb4c0abcfab809c9f231258a

  • Linux Linux

    6.6

  • KernelLinux

    From 6.6.0 · fixed in 6.6.158; From 6.7.0 · fixed in 6.12.111; From 6.13.0 · fixed in 6.18.53; From 6.19.0 · fixed in 7.1.5

References 5

git.kernel.org