Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2019-11135 |
CWE-ID | CWE-399 |
Exploitation vector | Local |
Public exploit | Public exploit code for vulnerability #1 is available. |
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.
EUVDB-ID: #VU22704
Risk: Low
CVSSv3.1: 5.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-11135
CWE-ID:
CWE-399 - Resource Management Errors
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the TSX Asynchronous Abort (TAA) in Intel CPUs. The TAA condition, on some microprocessors utilizing speculative execution, may allow an authenticated user to potentially enable information disclosure via a side channel. MitigationInstall update from vendor's website.
Vulnerable software versionsxen (Alpine package): 4.1.3-r0 - 4.10.4-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=b56efe8db5679b569767cee09b45ce5cd04b942d
http://git.alpinelinux.org/aports/commit/?id=7704a01fec21129dc2f13feb032fb39d8b6a9cb2
http://git.alpinelinux.org/aports/commit/?id=168f974f4f9941c940b1b4a27d1167175018ad92
http://git.alpinelinux.org/aports/commit/?id=1a7ae75cb9ed94f62f9859f8a07a0bc1c5021604
http://git.alpinelinux.org/aports/commit/?id=d9cf7666f5f3aa90dbce9f04bdc7d975284cc530
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.