Executive Summary

Informations
Name CVE-2021-35477 First vendor Publication 2021-08-02
Vendor Cve Last vendor Modification 2021-10-16

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 2.1 Attack Range Local
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35477

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-203 Information Exposure Through Discrepancy

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 2
Os 3404

Sources (Detail)

Source Url
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
MISC https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=...
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=...
https://www.openwall.com/lists/oss-security/2021/08/01/3
MLIST https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html

Alert History

If you want to see full details history, please login or register.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Date Informations
2021-10-16 09:23:09
  • Multiple Updates
2021-09-20 17:23:06
  • Multiple Updates
2021-08-26 12:43:34
  • Multiple Updates
2021-08-25 01:43:37
  • Multiple Updates
2021-08-24 01:44:04
  • Multiple Updates
2021-08-19 12:44:24
  • Multiple Updates
2021-08-10 09:22:51
  • Multiple Updates
2021-08-10 01:42:37
  • Multiple Updates
2021-08-10 01:42:29
  • Multiple Updates
2021-08-10 00:22:52
  • Multiple Updates
2021-08-09 09:22:48
  • Multiple Updates
2021-08-03 01:42:11
  • Multiple Updates
2021-08-03 01:42:08
  • Multiple Updates
2021-08-02 17:22:50
  • Multiple Updates
2021-08-02 09:22:51
  • First insertion