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CVE-2023-54309

UnknownEPSS 0.18%

Last modified

CVE-2023-54309 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
0.18%

7.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 6f99612e250041a2402d3b1694bccb149cd424a4, < 509d21f1c4bb9d35d397fca3226165b156a7639f; >= 6f99612e250041a2402d3b1694bccb149cd424a4, < 04e8697d26613ccea760cf57eb20a5a27f788c0f; >= 6f99612e250041a2402d3b1694bccb149cd424a4, < 86b9820395f226b8f33cbae9599deebf8af1ce72; >= 6f99612e250041a2402d3b1694bccb149cd424a4, < 9ff7fcb3a2ed0e9b895bb5b4c13872d584a8815b; >= 6f99612e250041a2402d3b1694bccb149cd424a4, < e08295290c53a3cf174c236721747a01b9550ae2; >= 6f99612e250041a2402d3b1694bccb149cd424a4, < 99b998fb9d7d2d2d9dbb3e19db2d0ade02f5a604; >= 6f99612e250041a2402d3b1694bccb149cd424a4, < 092db954e2c3c5ba6c0ce990c7da72cf8f3b9c51; >= 6f99612e250041a2402d3b1694bccb149cd424a4, < f4032d615f90970d6c3ac1d9c0bce3351eb4445c
LinuxLinux4.8

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2023-54309?
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.
How severe is CVE-2023-54309?
Severity scoring for CVE-2023-54309 is pending analysis. The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2023-54309?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST