Vulnerability Details : CVE-2021-35477

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled value.
Published 2021-08-02 04:15:08
Updated 2021-11-11 03:25:24
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2021-35477

Exploit prediction scoring system (EPSS) score for CVE-2021-35477

EPSS FAQ
0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-35477

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.1
 LOW AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
 NIST
5.5
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1.8
3.6
 NIST

CWE ids for CVE-2021-35477

  • The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-35477

Jump to
This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!
Accept Close