Vulnerability · Published Jun 9, 2021 · Assigned by intel
CVE-2021-0089
Medium 6.5
In plain English
A medium-severity security flaw in Intel(R) Processors. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.4%top 70.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Observable response discrepancy in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | xen | 4.15.0-r1 | ALPINE-CVE-2021-0089 |
| Alpine:v3.21 | xen | 4.15.0-r1 | ALPINE-CVE-2021-0089 |
| Alpine:v3.22 | xen | 4.15.0-r1 | ALPINE-CVE-2021-0089 |
| Alpine:v3.23 | xen | 4.15.0-r1 | ALPINE-CVE-2021-0089 |
| Alpine:v3.24 | xen | 4.15.0-r1 | ALPINE-CVE-2021-0089 |
| Debian:12 | xen | 4.14.2+25-gb6a8c4f72d-1 | DEBIAN-CVE-2021-0089 |
| Debian:13 | xen | 4.14.2+25-gb6a8c4f72d-1 | DEBIAN-CVE-2021-0089 |
| Debian:14 | xen | 4.14.2+25-gb6a8c4f72d-1 | DEBIAN-CVE-2021-0089 |
| Ubuntu:22.04:LTS | xen | no fix listed | UBUNTU-CVE-2021-0089 |
| Ubuntu:24.04:LTS | xen | no fix listed | UBUNTU-CVE-2021-0089 |
| Ubuntu:25.10 | xen | no fix listed | UBUNTU-CVE-2021-0089 |
| Ubuntu:26.04:LTS | xen | no fix listed | UBUNTU-CVE-2021-0089 |
| Ubuntu:26.10 | xen | no fix listed | UBUNTU-CVE-2021-0089 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Intel(R) Processors | See references |
References
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.html x_refsource_MISC
- [oss-security] 20210610 Xen Security Advisory 375 v4 (CVE-2021-0089,CVE-2021-26313) - Speculative Code Store Bypass mailing-list, x_refsource_MLIST
- [oss-security] 20210610 Re: Xen Security Advisory 375 v3 (CVE-2021-0089,CVE-2021-26313) - Speculative Code Store Bypass mailing-list, x_refsource_MLIST
- [oss-security] 20210610 Re: Xen Security Advisory 375 v3 (CVE-2021-0089,CVE-2021-26313) - Speculative Code Store Bypass mailing-list, x_refsource_MLIST
- DSA-4931 vendor-advisory, x_refsource_DEBIAN
- FEDORA-2021-41d4347447 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-993693c914 vendor-advisory, x_refsource_FEDORA
- GLSA-202107-30 vendor-advisory, x_refsource_GENTOO