CVE-2024-26946kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address
- 5.5MediumCVSS base score
- 0.24%Exploitation in 30 daysEPSS · top 85% 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: kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address Read from an unsafe address with copy_from_kernel_nofault() in arch_adjust_kprobe_addr() because this function is used before checking the address is in text or not. Syzcaller bot found a bug and reported the case if user specifies inaccessible data area, arch_adjust_kprobe_addr() will cause a kernel panic. [ mingo: Clarified the comment. ]
Timeline
ID reserved
By Linux
- 2 months later
· 2 months later
Published
- 2 years later
· 2 years 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 |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.24% · top 85% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected cc66bb91457827f62e2b6cb2518666820f0a6c48 – < 6417684315087904fffe8966d27ca74398c57dd6
- affected cc66bb91457827f62e2b6cb2518666820f0a6c48 – < f13edd1871d4fb4ab829aff629d47914e251bae3
- affected cc66bb91457827f62e2b6cb2518666820f0a6c48 – < 20fdb21eabaeb8f78f8f701f56d14ea0836ec861
- affected cc66bb91457827f62e2b6cb2518666820f0a6c48 – < b69f577308f1070004cafac106dd1a44099e5483
- affected cc66bb91457827f62e2b6cb2518666820f0a6c48 – < 4e51653d5d871f40f1bd5cf95cc7f2d8b33d063b
- affected 5.18
- unaffected < 5.18
- unaffected 6.1.84 – ≤ 6.1.*
- unaffected 6.6.24 – ≤ 6.6.*
- unaffected 6.7.12 – ≤ 6.7.*
- unaffected 6.8.3 – ≤ 6.8.*
- unaffected 6.9 – ≤ *
References
References5
- https://git.kernel.org/stable/c/6417684315087904fffe8966d27ca74398c57dd6 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/f13edd1871d4fb4ab829aff629d47914e251bae3 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/20fdb21eabaeb8f78f8f701f56d14ea0836ec861 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/b69f577308f1070004cafac106dd1a44099e5483 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/4e51653d5d871f40f1bd5cf95cc7f2d8b33d063b (opens in a new tab)x_transferred
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-2024-24208 (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-2024-26946)Record last updated .