CVE-2023-54309

tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

30 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation /dev/vtpmx is made visible before 'workqueue' is initialized, which can lead to a memory corruption in the worst case scenario. Address this by initializing 'workqueue' as the very first step of the driver initialization.

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/04e8697d26613ccea760cf57eb20a5a27f788c0f https://git.kernel.org/stable/c/092db954e2c3c5ba6c0ce990c7da72cf8f3b9c51 https://git.kernel.org/stable/c/509d21f1c4bb9d35d397fca3226165b156a7639f https://git.kernel.org/stable/c/86b9820395f226b8f33cbae9599deebf8af1ce72 https://git.kernel.org/stable/c/99b998fb9d7d2d2d9dbb3e19db2d0ade02f5a604 https://git.kernel.org/stable/c/9ff7fcb3a2ed0e9b895bb5b4c13872d584a8815b https://git.kernel.org/stable/c/e08295290c53a3cf174c236721747a01b9550ae2 https://git.kernel.org/stable/c/f4032d615f90970d6c3ac1d9c0bce3351eb4445c