Executive Summary

Informations
Name CVE-2021-38300 First vendor Publication 2021-09-20
Vendor Cve Last vendor Modification 2023-03-01

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:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

arch/mips/net/bpf_jit.c in the Linux kernel before 5.4.10 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel context. This occurs because conditional branches can exceed the 128 KB limit of the MIPS architecture.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38300

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 6
Application 1
Os 2
Os 3438

Sources (Detail)

Source Url
CONFIRM https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.10
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id...
https://security.netapp.com/advisory/ntap-20211008-0003/
DEBIAN https://www.debian.org/security/2022/dsa-5096
MISC http://www.openwall.com/lists/oss-security/2021/09/15/5
MLIST https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html

Alert History

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Date Informations
2024-03-12 13:18:52
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2022-10-11 13:08:58
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2021-09-20 12:45:57
  • First insertion