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CVE-2024-40994ptp: fix integer overflow in max_vclocks_store
- 7.8HighCVSS base score
- 0.28%Exploitation in 30 daysEPSS · top 80% 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: ptp: fix integer overflow in max_vclocks_store On 32bit systems, the "4 * max" multiply can overflow. Use kcalloc() to do the allocation to prevent this.
Timeline
ID reserved
By Linux
Published
- 22 months later
· 22 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 |
|---|---|---|---|
| NVDNVD · Modified | 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)
- 0.28% · top 80% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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 44c494c8e30e35713c7d11ca3c5ab332cbfabacf – < 4b03da87d0b7074c93d9662c6e1a8939f9b8b86e
- affected 44c494c8e30e35713c7d11ca3c5ab332cbfabacf – < d50d62d5e6ee6aa03c00bddb91745d0b632d3b0f
- affected 44c494c8e30e35713c7d11ca3c5ab332cbfabacf – < 666e934d749e50a37f3796caaf843a605f115b6f
- affected 44c494c8e30e35713c7d11ca3c5ab332cbfabacf – < e1fccfb4638ee6188377867f6015d0ce35764a8e
- affected 44c494c8e30e35713c7d11ca3c5ab332cbfabacf – < 81d23d2a24012e448f651e007fac2cfd20a45ce0
- affected 5.14
- unaffected < 5.14
- unaffected 5.15.162 – ≤ 5.15.*
- unaffected 6.1.96 – ≤ 6.1.*
- unaffected 6.6.36 – ≤ 6.6.*
- unaffected 6.9.7 – ≤ 6.9.*
- unaffected 6.10 – ≤ *
References
References6
- https://git.kernel.org/stable/c/4b03da87d0b7074c93d9662c6e1a8939f9b8b86e (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/d50d62d5e6ee6aa03c00bddb91745d0b632d3b0f (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/666e934d749e50a37f3796caaf843a605f115b6f (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/e1fccfb4638ee6188377867f6015d0ce35764a8e (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/81d23d2a24012e448f651e007fac2cfd20a45ce0 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html (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-2024-38789 (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-2024-40994)Record last updated .