perf: Revert to requiring CAP_SYS_ADMIN for uprobes (Linux Linux)

CVE-2025-38466
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.23 % · percentile 14 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: perf: Revert to requiring CAP_SYS_ADMIN for uprobes Jann reports that uprobes can be used destructively when used in the middle of an instruction. The kernel only verifies there is a valid instruction at the requested offset, but due to variable instruction length cannot determine if this is an instruction as seen by the intended execution stream. Additionally, Mark Rutland notes that on architectures that mix data in the text segment (like arm64), a similar things can be done if the data word is 'mistaken' for an instruction. As such, require CAP_SYS_ADMIN for uprobes.

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected c9e0924e5c2b59365f9c0d43ff8722e79ecf4088 < d7ef1afd5b3f43f4924326164cee5397b66abd9c ; affected c9e0924e5c2b59365f9c0d43ff8722e79ecf4088 < c0aec35f861fa746ca45aa816161c74352e6ada8 ; affected c9e0924e5c2b59365f9c0d43ff8722e79ecf4088 < 8e8bf7bc6aa6f583336c2fda280b6cea0aed5612 ; affected c9e0924e5c2b59365f9c0d43ff8722e79ecf4088 < 183bdb89af1b5193b1d1d9316986053b15ca6fa4 ; affected c9e0924e5c2b59365f9c0d43ff8722e79ecf4088 < a0a8009083e569b5526c64f7d3f2a62baca95164 ; affected c9e0924e5c2b59365f9c0d43ff8722e79ecf4088 < d5074256b642cdeb46a70ce2f15193e766edca68
Linux · Linuxaffected 5.8 ; unaffected 0 < 5.8 ; unaffected 5.10.240 ≤ 5.10.* ; unaffected 5.15.189 ≤ 5.15.* ; unaffected 6.1.146 ≤ 6.1.* ; unaffected 6.6.99 ≤ 6.6.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD