CVEdetails.com the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
  Take a third party risk management course for FREE
Vulnerability Feeds & WidgetsNew   

Vulnerability Details : CVE-2021-29154

BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. This affects arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c.
Publish Date : 2021-04-08 Last Update Date : 2023-02-24
Collapse All   Expand All   Select   Select&Copy  
Search Twitter   Search YouTube   Search Google

- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 77

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:3327: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20213327 unix
RHSA-2021:3328: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20213328 unix
RHSA-2022:1975: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20221975 unix
RHSA-2022:1988: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20221988 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-29154

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
3 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
4 Application Netapp Cloud Backup - * * * Version Details Vulnerabilities
5 Application Netapp Hci Management Node - * * * Version Details Vulnerabilities
6 Application Netapp Solidfire - * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Fedoraproject Fedora 1
Linux Linux Kernel 1
Netapp Cloud Backup 1
Netapp Hci Management Node 1
Netapp Solidfire 1

- References For CVE-2021-29154

https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
MLIST [debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update
http://packetstormsecurity.com/files/162434/Kernel-Live-Patch-Security-Notice-LSN-0076-1.html
https://security.netapp.com/advisory/ntap-20210604-0006/ CONFIRM
https://www.oracle.com/security-alerts/cpujul2022.html
N/A N/A
https://news.ycombinator.com/item?id=26757760
https://lists.fedoraproject.org/archives/list/[email protected]/message/W5YFGIIF24475A2LNW3UWHW2SNCS3G7M/
FEDORA FEDORA-2021-e71c033f88
https://www.openwall.com/lists/oss-security/2021/04/08/1
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
MLIST [debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0

- Metasploit Modules Related To CVE-2021-29154

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.