Executive Summary

Informations
Name CVE-2023-3777 First vendor Publication 2023-09-06
Vendor Cve Last vendor Modification 2025-03-20

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 :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.

When nf_tables_delrule() is flushing table rules, it is not checked whether the chain is bound and the chain's owner rule can also release the objects in certain circumstances.

We recommend upgrading past commit 6eaf41e87a223ae6f8e7a28d6e78384ad7e407f8.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3777

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 8
Os 5
Os 1
Os 3613

Sources (Detail)

http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice...
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice...
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id...
https://kernel.dance/6eaf41e87a223ae6f8e7a28d6e78384ad7e407f8
https://www.debian.org/security/2023/dsa-5492
Source Url

Alert History

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Date Informations
2025-03-28 17:21:43
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2024-12-25 02:53:20
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2024-11-28 14:27:37
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2024-03-12 13:39:17
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2024-02-02 02:47:20
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2023-12-29 02:36:25
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2023-09-10 17:27:19
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2023-09-07 09:27:17
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2023-09-06 21:27:19
  • First insertion