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CVE-2026-74258bpf: Guard __get_user acesss with access_ok for uprobe_multi data
- 7.8HighCVSS base score
- 0.17%Exploitation in 30 daysEPSS · top 94% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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/[email protected]/
Timeline
ID reserved
By Linux
Published
- 2 months later
· 2 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Received | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.17% · top 94% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected 89ae89f53d201143560f1e9ed4bfa62eee34f88e – < ff6c5ee77dcc98381290d16af53f6262625870a6
- affected 89ae89f53d201143560f1e9ed4bfa62eee34f88e – < 2c387db784293256d35fd3d438f577cc82bb823d
- affected 89ae89f53d201143560f1e9ed4bfa62eee34f88e – < a9f1395028c2bbe18e57864cc355c11faff488cb
- affected 89ae89f53d201143560f1e9ed4bfa62eee34f88e – < c6d51ad36490013ee9df94a372d3bf794bd304d1
- affected 89ae89f53d201143560f1e9ed4bfa62eee34f88e – < 4d87a251d45b4a95eb4c0abcfab809c9f231258a
- affected 6.6
- unaffected < 6.6
- unaffected 6.6.158 – ≤ 6.6.*
- unaffected 6.12.111 – ≤ 6.12.*
- unaffected 6.18.53 – ≤ 6.18.*
- unaffected 7.1.5 – ≤ 7.1.*
- unaffected 7.2 – ≤ *
References
References5
- https://git.kernel.org/stable/c/ff6c5ee77dcc98381290d16af53f6262625870a6 (opens in a new tab)
- https://git.kernel.org/stable/c/2c387db784293256d35fd3d438f577cc82bb823d (opens in a new tab)
- https://git.kernel.org/stable/c/a9f1395028c2bbe18e57864cc355c11faff488cb (opens in a new tab)
- https://git.kernel.org/stable/c/c6d51ad36490013ee9df94a372d3bf794bd304d1 (opens in a new tab)
- https://git.kernel.org/stable/c/4d87a251d45b4a95eb4c0abcfab809c9f231258a (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-59405 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-74258)Record last updated .