SB2017080797 - Memory corruption in xen (Alpine package)
Published: August 7, 2017
Security Bulletin ID
SB2017080797
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory corruption (CVE-ID: CVE-2017-10922)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to cause DoS conditions.
The weakness exists due to improper handling of MMIO region grant references by the grant-table feature. A local attacker can trigger loss of grant trackability and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=777808728eee590185d5d0f60357c3e334fa40cd
- https://git.alpinelinux.org/aports/commit/?id=88fbbb90ca25cd6378753538feb327abf36a30ac
- https://git.alpinelinux.org/aports/commit/?id=91aea7ba80331c34e950b9ccb02e757d4471325c
- https://git.alpinelinux.org/aports/commit/?id=605bcdc44def7408f05991fd6ecf6f7dfe7e683c
- https://git.alpinelinux.org/aports/commit/?id=2e37a309d6db43d6ec74cb76058f38a9060be22a