Denial of service in xen (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-19967 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
xen (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Denial of service
EUVDB-ID: #VU15998
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-19967
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows an adjacent attacker to cause DoS condition on the target system.
The vulnerability exists due to unspecified flaw. An adjacent attacker can invoke a HLE transaction with the XACQUIRE prefix on the host physical memory range covering the first 4 MiB starting at the 1GiB boundary to cause denial of service conditions on the host system.
MitigationInstall update from vendor's website.
Vulnerable software versionsxen (Alpine package): 4.7.0-r0 - 4.9.3-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=4cafe4f7ac5e95424824e1ef5835b409f1fe48e7
http://git.alpinelinux.org/aports/commit/?id=1d0fe0196f9102c4c9edf2965deb91b142688924
http://git.alpinelinux.org/aports/commit/?id=f39fc76089047b3f9b0e1ec06aecb40cc1ac1786
http://git.alpinelinux.org/aports/commit/?id=b1098f74cfa616c0046ba6c5f2d032ac2f1d8e02
http://git.alpinelinux.org/aports/commit/?id=e28e1495e1510e8a1673d135dc5272813b38a0cf
http://git.alpinelinux.org/aports/commit/?id=3157c8cf385f659174a6d95a9218bc3281359513
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
