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CVE-2026-74258

HIGHCVSS 7.8/10EPSS 0.17%

Last modified

CVE-2026-74258 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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/. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

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/

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.17%

5.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 89ae89f53d201143560f1e9ed4bfa62eee34f88e, < ff6c5ee77dcc98381290d16af53f6262625870a6; >= 89ae89f53d201143560f1e9ed4bfa62eee34f88e, < 2c387db784293256d35fd3d438f577cc82bb823d; >= 89ae89f53d201143560f1e9ed4bfa62eee34f88e, < a9f1395028c2bbe18e57864cc355c11faff488cb; >= 89ae89f53d201143560f1e9ed4bfa62eee34f88e, < c6d51ad36490013ee9df94a372d3bf794bd304d1; >= 89ae89f53d201143560f1e9ed4bfa62eee34f88e, < 4d87a251d45b4a95eb4c0abcfab809c9f231258a
LinuxLinux6.6

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-74258?
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/
How severe is CVE-2026-74258?
CVE-2026-74258 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-74258?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST