CVE-2023-54266
Published Dec 30, 2025
Modified Apr 15, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: m920x: Fix a potential memory leak in m920x_i2c_xfer() 'read' is freed when it is known to be NULL, but not when a read error occurs. Revert the logic to avoid a small leak, should a m920x_read() call fail.
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References
Other References
https://git.kernel.org/stable/c/2b6e20ef0585a467c24c7e4fde28518e5b33225a
https://git.kernel.org/stable/c/2cc9f11aeae2887a4db25c27323fc445f4b49e86
https://git.kernel.org/stable/c/4feed3dfca722c6d74865a37cab853c58e6aa190
https://git.kernel.org/stable/c/75d6ef197c488cd852493b4a419274e3489da79d
https://git.kernel.org/stable/c/7ca7cd02114ac8caa6b0a64734b9af6be1559353
https://git.kernel.org/stable/c/809623fedc31f4e74039d93bb75a8993635d7534
https://git.kernel.org/stable/c/c0178e938f110cdf6937f26975c0c951dbb1d9db
https://git.kernel.org/stable/c/d13a84874a2e0236c9325b3adc8e126d0888ad6b
https://git.kernel.org/stable/c/ea9ef6c2e001c5dc94bee35ebd1c8a98621cf7b8
Frequently Asked Questions
What is CVE-2023-54266? +
In the Linux kernel, the following vulnerability has been resolved:
media: dvb-usb: m920x: Fix a potential memory leak in m920x_i2c_xfer()
'read' is freed when it is known to be NULL, but not when a read error
occurs.
Revert the logic to avoid a small leak, should a m920x_read() call fail.
How do I check if I'm vulnerable to CVE-2023-54266? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.