CVE-2021-26313
Intel CPU Speculative Execution Vulnerability
Description
Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution of overwritten instructions, may cause an incorrect speculation and could result in data leakage.
INFO
Published Date :
June 9, 2021, 12:15 p.m.
Last Modified :
Nov. 21, 2024, 5:56 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2021-26313 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-26313
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-26313.
| URL | Resource |
|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003 | Vendor Advisory |
| https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003 | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Rage Against The Machine Clear: A Systematic Analysis of Machine Clears and Their Implications for Transient Execution Attacks
Makefile Assembly C Shell HTML JavaScript Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-26313 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-26313 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Aug. 01, 2022
Action Type Old Value New Value Removed CWE NIST CWE-668 Added CWE NIST CWE-203 -
Modified Analysis by [email protected]
Apr. 06, 2022
Action Type Old Value New Value -
CVE Modified by [email protected]
Oct. 13, 2021
Action Type Old Value New Value Removed Reference http://www.openwall.com/lists/oss-security/2021/06/09/2 [Mailing List, Third Party Advisory] Removed Reference http://www.openwall.com/lists/oss-security/2021/06/10/1 [Exploit, Mailing List, Third Party Advisory] Removed Reference http://www.openwall.com/lists/oss-security/2021/06/10/10 [Mailing List, Third Party Advisory] Removed Reference http://www.openwall.com/lists/oss-security/2021/06/10/11 [Mailing List, Third Party Advisory] Removed Reference http://xenbits.xen.org/xsa/advisory-375.html [Patch, Third Party Advisory] Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/ [No Types Assigned] Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/ [No Types Assigned] Removed Reference https://security.gentoo.org/glsa/202107-30 [No Types Assigned] Removed Reference https://www.debian.org/security/2021/dsa-4931 [Third Party Advisory] -
CVE Modified by [email protected]
Jul. 12, 2021
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202107-30 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 17, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/ [No Types Assigned] -
CVE Modified by [email protected]
Jun. 16, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/ [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 16, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type http://www.openwall.com/lists/oss-security/2021/06/09/2 No Types Assigned http://www.openwall.com/lists/oss-security/2021/06/09/2 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/06/10/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/06/10/1 Exploit, Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/06/10/10 No Types Assigned http://www.openwall.com/lists/oss-security/2021/06/10/10 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/06/10/11 No Types Assigned http://www.openwall.com/lists/oss-security/2021/06/10/11 Mailing List, Third Party Advisory Changed Reference Type http://xenbits.xen.org/xsa/advisory-375.html No Types Assigned http://xenbits.xen.org/xsa/advisory-375.html Patch, Third Party Advisory Changed Reference Type https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003 No Types Assigned https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003 Vendor Advisory Changed Reference Type https://www.debian.org/security/2021/dsa-4931 No Types Assigned https://www.debian.org/security/2021/dsa-4931 Third Party Advisory Added CWE NIST CWE-668 Added CPE Configuration AND OR *cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_5_5600x:-:*:*:*:*:*:*:* cpe:2.3:h:amd:ryzen_7_2700x:-:*:*:*:*:*:*:* cpe:2.3:h:amd:ryzen_threadripper_2990wx:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:h:arm:cortex-a72:-:*:*:*:*:*:*:* *cpe:2.3:h:broadcom:bcm2711:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:h:intel:core_i7-10700k:-:*:*:*:*:*:*:* *cpe:2.3:h:intel:core_i7-7700k:-:*:*:*:*:*:*:* *cpe:2.3:h:intel:core_i9-9900k:-:*:*:*:*:*:*:* *cpe:2.3:h:intel:xeon_silver_4214:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jun. 16, 2021
Action Type Old Value New Value Added Reference https://www.debian.org/security/2021/dsa-4931 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 10, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/06/10/11 [No Types Assigned] Added Reference http://www.openwall.com/lists/oss-security/2021/06/10/10 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 10, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/06/10/1 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 09, 2021
Action Type Old Value New Value Added Reference http://xenbits.xen.org/xsa/advisory-375.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 09, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/06/09/2 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-26313 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-26313
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.18936
percentile