Executive Summary

Informations
Name CVE-2023-2235 First vendor Publication 2023-05-01
Vendor Cve Last vendor Modification 2023-08-25

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 :
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 Performance Events system can be exploited to achieve local privilege escalation.

The perf_group_detach function did not check the event's siblings' attach_state before calling add_event_to_groups(), but remove_on_exec made it possible to call list_del_event() on before detaching from their group, making it possible to use a dangling pointer causing a use-after-free vulnerability.

We recommend upgrading past commit fd0815f632c24878e325821943edccc7fde947a2.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2235

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 8
Os 3522

Sources (Detail)

Source Url
MISC https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id...
https://kernel.dance/fd0815f632c24878e325821943edccc7fde947a2

Alert History

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Date Informations
2024-03-12 13:33:56
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2024-02-02 02:42:35
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2024-02-01 12:29:14
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2024-01-12 02:34:37
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2023-12-29 02:32:10
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2023-11-22 02:31:26
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2023-09-29 13:25:43
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2023-09-05 13:38:16
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2023-09-05 01:28:30
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2023-09-02 05:27:47
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2023-09-02 01:28:57
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2023-08-25 21:27:49
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2023-08-12 13:42:02
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2023-08-12 01:28:13
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2023-08-11 13:33:05
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2023-08-11 01:29:04
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2023-08-06 13:30:30
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2023-08-06 01:27:52
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2023-08-04 13:30:59
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2023-08-04 01:28:14
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2023-08-02 13:20:13
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2023-07-14 13:30:49
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2023-07-14 01:27:53
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2023-06-29 00:28:21
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2023-06-09 13:27:44
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2023-06-06 13:19:48
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2023-05-17 13:12:45
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2023-05-06 09:27:22
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2023-05-01 17:27:14
  • First insertion