SARA / Free Tools / CVE / CVE-2018-8781

CVE-2018-8781 — The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb

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,

CVSS
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EPSS
0.10% (top 72.30%)
CWE
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Published
2018-04-23T19:00:00.000Z
Last modified
2024-09-16T23:56:54.630Z
CVSS vector
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01What is this vulnerability?

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.

02Affected products

VendorProductVersions
Check Point Software Technologies Ltd.Linux Kernelkernel version 3.4 and up to and including 4.15

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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