Executive Summary

Informations
Name CVE-2024-44996 First vendor Publication 2024-09-04
Vendor Cve Last vendor Modification 2024-09-16

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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 None
Integrity Impact None 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

In the Linux kernel, the following vulnerability has been resolved:

vsock: fix recursive ->recvmsg calls

After a vsock socket has been added to a BPF sockmap, its prot->recvmsg has been replaced with vsock_bpf_recvmsg(). Thus the following recursiion could happen:

vsock_bpf_recvmsg()
-> __vsock_recvmsg()
-> vsock_connectible_recvmsg()
-> prot->recvmsg()
-> vsock_bpf_recvmsg() again

We need to fix it by calling the original ->recvmsg() without any BPF sockmap logic in __vsock_recvmsg().

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-44996

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-674 Uncontrolled Recursion

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 8
Os 3649

Sources (Detail)

https://git.kernel.org/stable/c/69139d2919dd4aa9a553c8245e7c63e82613e3fc
https://git.kernel.org/stable/c/921f1acf0c3cf6b1260ab57a8a6e8b3d5f3023d5
https://git.kernel.org/stable/c/b4ee8cf1acc5018ed1369150d7bb3e0d0f79e135
Source Url

Alert History

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Date Informations
2025-01-08 03:04:57
  • Multiple Updates
2025-01-07 03:04:30
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2024-12-25 03:03:08
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2024-12-12 03:06:04
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2024-11-23 03:03:05
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2024-11-22 03:01:15
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2024-11-20 02:59:35
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2024-11-14 02:59:54
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2024-11-09 02:59:54
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2024-10-26 02:57:17
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2024-10-25 02:59:10
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2024-10-23 02:58:21
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2024-10-03 02:53:33
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2024-10-02 02:51:57
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2024-09-16 17:27:33
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2024-09-05 17:27:24
  • Multiple Updates
2024-09-05 00:27:25
  • First insertion