Linux Kernel up to 6.5.3 soc qmi_encdec out-of-bounds

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.5.3. It has been rated as critical. This impacts the function qmi_encdec of the component soc. This manipulation causes out-of-bounds. This vulnerability is handled as CVE-2023-53729. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.5.3. It has been declared as problematic. Affected by this vulnerability is the function qmi_encdec of the component soc. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: qmi_encdec: Restrict string length in decode The QMI TLV value for strings in a lot of qmi element info structures account for null terminated strings with MAX_LEN + 1. If a string is actually MAX_LEN + 1 length, this will cause an out of bounds access when the NULL character is appended in decoding.

It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2023-53729 since 10/22/2025. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 4.19.295, 5.4.257, 5.10.195, 5.15.132, 6.1.54 or 6.5.4 eliminates this vulnerability. Applying the patch 6b58859e7c4ac357517a59f0801e8ce1b58a8ee2/64c5e916fabe5ef7bef0210b8a59fa8941ee1b8e/2ccab9f82772ead618689d17dbc6950d6bd1e741/b2f39b813d1eed4a522428d1e6acd7dfe9b81579/f6250ecb7fbb934b89539e7e2ba6c1d8555c0975/22ee7c9c7f381be178b4457bc54530002e08e938/8d207400fd6b79c92aeb2f33bb79f62dff904ea2 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2394). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

• Red Hat Enterprise Linux
• SUSE Linux
• Oracle Linux
• Open Source Linux Kernel
• Dell NetWorker

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 4.19.294
• 5.4.256
• 5.10.194
• 5.15.131
• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3
• 6.1.4
• 6.1.5
• 6.1.6
• 6.1.7
• 6.1.8
• 6.1.9
• 6.1.10
• 6.1.11
• 6.1.12
• 6.1.13
• 6.1.14
• 6.1.15
• 6.1.16
• 6.1.17
• 6.1.18
• 6.1.19
• 6.1.20
• 6.1.21
• 6.1.22
• 6.1.23
• 6.1.24
• 6.1.25
• 6.1.26
• 6.1.27
• 6.1.28
• 6.1.29
• 6.1.30
• 6.1.31
• 6.1.32
• 6.1.33
• 6.1.34
• 6.1.35
• 6.1.36
• 6.1.37
• 6.1.38
• 6.1.39
• 6.1.40
• 6.1.41
• 6.1.42
• 6.1.43
• 6.1.44
• 6.1.45
• 6.1.46
• 6.1.47
• 6.1.48
• 6.1.49
• 6.1.50
• 6.1.51
• 6.1.52
• 6.1.53
• 6.5.0
• 6.5.1
• 6.5.2
• 6.5.3

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

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