PT-2023-9730 · Linux+5 · Linux Kernel+5
Zhaolong Wang
·
Published
2023-02-06
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Updated
2025-07-16
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CVE-2023-52741
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The issue is related to a use-after-free vulnerability in the cifs component of the Linux kernel. When the network status is unstable, use-after-free may occur when reading data from the server. The vulnerability can be triggered by specific function calls, including
readpages fill pages, cifs read page from socket, cifs readv from socket, cifs reconnect, and cifs reconnect. The mid->callback() function, which calls smb2 readv callback, can also lead to the use-after-free of the rdata pointer. This vulnerability can potentially allow an attacker to elevate privileges in the system.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linuxmint
Linux Kernel
Red Os
Suse
Ubuntu