Data handling in Linux kernel - CVE-2017-15127
Published: April 27, 2018
Vulnerability identifier: #VU12266
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-15127
CWE-ID: CWE-19
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local attacker to cause DOS condition on the target system.
The weakness exists in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c due to a superfluous implicit page unlock for VM_SHARED hugetlbfs mapping. A local attacker can cause the service to crash.
The weakness exists in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c due to a superfluous implicit page unlock for VM_SHARED hugetlbfs mapping. A local attacker can cause the service to crash.
How to mitigate CVE-2017-15127
Update to version 4.13.