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CVE-2018-8822
Incorrect buffer length handling in the ncp_read_kernel function in fs/ncpfs/ncplib_kernel.c in the Linux kernel through 4.15.11, and in…
- 7.8HighCVSS base score
- 0.53%Exploitation in 30 daysEPSS · top 55% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Incorrect buffer length handling in the ncp_read_kernel function in fs/ncpfs/ncplib_kernel.c in the Linux kernel through 4.15.11, and in drivers/staging/ncpfs/ncplib_kernel.c in the Linux kernel 4.16-rc through 4.16-rc6, could be exploited by malicious NCPFS servers to crash the kernel or execute code.
Timeline
Published
- 6 years later
· 6 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 · 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)
- 0.53% · top 55% of all CVEs (10 Nov 2026)
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
n/a
- affected n/a
References
14
- DSA-4187 (opens in a new tab)vendor-advisoryx_transferred
- USN-3654-1 (opens in a new tab)vendor-advisoryx_transferred
- 103476 (opens in a new tab)vdb-entryx_transferred
- DSA-4188 (opens in a new tab)vendor-advisoryx_transferred
- https://www.mail-archive.com/netdev%40vger.kernel.org/msg223373.html (opens in a new tab)x_transferred
- USN-3653-2 (opens in a new tab)vendor-advisoryx_transferred
- USN-3655-1 (opens in a new tab)vendor-advisoryx_transferred
- USN-3654-2 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20180502 [SECURITY] [DLA 1369-1] linux security update (opens in a new tab)mailing-listx_transferred
- USN-3655-2 (opens in a new tab)vendor-advisoryx_transferred
- USN-3656-1 (opens in a new tab)vendor-advisoryx_transferred
- USN-3653-1 (opens in a new tab)vendor-advisoryx_transferred
- USN-3657-1 (opens in a new tab)vendor-advisoryx_transferred
- [oss-security] 20221227 Re: Details on this supposed Linux Kernel ksmbd RCE (opens in a new tab)mailing-listx_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-2018-20431 (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)
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[](https://cveledger.app/cve/CVE-2018-8822)Record last updated .