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CentOS Linux: CVE-2018-7740: Important: kernel security, bug fix, and enhancement update (Multiple Advisories)

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CentOS Linux: CVE-2018-7740: Important: kernel security, bug fix, and enhancement update (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
03/07/2018
Created
08/29/2019
Added
08/28/2019
Modified
05/25/2023

Description

The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (BUG) via a crafted application that makes mmap system calls and has a large pgoff argument to the remap_file_pages system call.

Solution(s)

  • centos-upgrade-kernel
  • centos-upgrade-kernel-rt

References

  • 103316
  • DSA-4187
  • DSA-4188
  • CVE-2018-7740
  • RHSA-2018:3083
  • RHSA-2018:3096

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