Integer Overflow or Wraparound The advisory has been revoked - it doesn't affect any version of package kernel-headers (opens in a new tab)

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Snyk IDSNYK-RHEL7-KERNELHEADERS-4882801
published26 Jul 2021
disclosed21 Mar 2018

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Introduced: 21 Mar 2018

CVE-2018-8781 (opens in a new tab) CWE-190 (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:7.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-headers package and not the kernel-headers package as distributed by RHEL.

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.