CVE-2018-3639
MEDIUM severity · CVSS 5.5 · CWE-203
5.5CVSS MEDIUM
Summary
Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)61%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00058.html
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00059.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html
- http://support.lenovo.com/us/en/solutions/LEN-22133Advisory
- http://www.fujitsu.com/global/support/products/software/security/products-f/cve-2018-3639e.htmlAdvisory
- http://www.openwall.com/lists/oss-security/2020/06/10/1Advisory
- http://www.openwall.com/lists/oss-security/2020/06/10/2Advisory
- http://www.openwall.com/lists/oss-security/2020/06/10/5Advisory