Out-of-Bounds Affecting kernel-devel package, versions <0:3.10.0-957.el7
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Test your applications- Snyk ID SNYK-RHEL7-KERNELDEVEL-4829794
- published 26 Jul 2021
- disclosed 7 Mar 2018
Introduced: 7 Mar 2018
CVE-2018-7740 Open this link in a new tabHow to fix?
Upgrade RHEL:7
kernel-devel
to version 0:3.10.0-957.el7 or higher.
This issue was patched in RHSA-2018:3083
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-devel
package and not the kernel-devel
package as distributed by RHEL
.
See How to fix?
for RHEL:7
relevant fixed versions and status.
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.
References
- http://www.securityfocus.com/bid/103316
- https://bugzilla.kernel.org/show_bug.cgi?id=199037
- https://access.redhat.com/security/cve/CVE-2018-7740
- https://www.debian.org/security/2018/dsa-4187
- https://www.debian.org/security/2018/dsa-4188
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- https://access.redhat.com/errata/RHSA-2018:3083
- https://usn.ubuntu.com/3910-1/
- https://usn.ubuntu.com/3910-2/