Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2021-41864 First vendor Publication 2021-10-02
Vendor Cve Last vendor Modification 2022-03-25

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.6 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41864

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 7
Application 1
Application 1
Application 1
Os 2
Os 3
Os 3414

Sources (Detail)

Source Url
CONFIRM https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.12
https://security.netapp.com/advisory/ntap-20211029-0004/
DEBIAN https://www.debian.org/security/2022/dsa-5096
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
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/bpf/bpf.git/commit/?id=30e29a...
https://github.com/torvalds/linux/commit/30e29a9a2bc6a4888335a6ede968b75cd329...
MLIST https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html

Alert History

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Date Informations
2022-03-25 21:23:25
  • Multiple Updates
2022-03-10 21:23:20
  • Multiple Updates
2022-02-15 00:23:12
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2022-02-14 21:22:33
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2022-02-09 09:23:13
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2022-02-01 01:52:51
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2021-12-17 09:23:04
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2021-12-11 09:23:05
  • Multiple Updates
2021-12-11 01:50:26
  • Multiple Updates
2021-12-08 00:23:02
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2021-10-29 17:23:07
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2021-10-12 05:22:52
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2021-10-09 12:46:17
  • Multiple Updates
2021-10-09 00:22:55
  • Multiple Updates
2021-10-08 09:22:52
  • Multiple Updates
2021-10-04 17:22:53
  • Multiple Updates
2021-10-02 09:22:52
  • First insertion