CVE-2018-8781
The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an…
- 7.8HighCVSS base score
- 0.49%Exploitation in 30 daysEPSS · top 57% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability allowing local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.
Timeline
ID reserved
By checkpoint
- 35 days later
· 35 days later
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)
- 0.49% · top 57% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
Check Point Software Technologies Ltd. · Linux Kernel
- affected kernel version 3.4 and up to and including 4.15
References
15
- RHSA-2018:3083 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/ (opens in a new tab)x_refsource_MISCx_transferred
- DSA-4187 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-3654-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3674-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3677-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- DSA-4188 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-3674-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:2948 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://patchwork.freedesktop.org/patch/211845/ (opens in a new tab)x_refsource_MISCx_transferred
- USN-3677-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3654-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [debian-lts-announce] 20180502 [SECURITY] [DLA 1369-1] linux security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-3656-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:3096 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_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-2018-20390 (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-2018-8781)Record last updated .