CVE-2023-54309

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux6f99612e250041a2402d3b1694bccb149cd424a4 < 509d21f1c4bb9d35d397fca3226165b156a7639faffected
LinuxLinux6f99612e250041a2402d3b1694bccb149cd424a4 < 04e8697d26613ccea760cf57eb20a5a27f788c0faffected
LinuxLinux6f99612e250041a2402d3b1694bccb149cd424a4 < 86b9820395f226b8f33cbae9599deebf8af1ce72affected
LinuxLinux6f99612e250041a2402d3b1694bccb149cd424a4 < 9ff7fcb3a2ed0e9b895bb5b4c13872d584a8815baffected
LinuxLinux6f99612e250041a2402d3b1694bccb149cd424a4 < e08295290c53a3cf174c236721747a01b9550ae2affected
LinuxLinux6f99612e250041a2402d3b1694bccb149cd424a4 < 99b998fb9d7d2d2d9dbb3e19db2d0ade02f5a604affected
LinuxLinux6f99612e250041a2402d3b1694bccb149cd424a4 < 092db954e2c3c5ba6c0ce990c7da72cf8f3b9c51affected
LinuxLinux6f99612e250041a2402d3b1694bccb149cd424a4 < f4032d615f90970d6c3ac1d9c0bce3351eb4445caffected
LinuxLinux4.8affected
LinuxLinux0 < 4.8unaffected
LinuxLinux4.14.322 <= 4.14.*unaffected
LinuxLinux4.19.291 <= 4.19.*unaffected
LinuxLinux5.4.251 <= 5.4.*unaffected
LinuxLinux5.10.188 <= 5.10.*unaffected
LinuxLinux5.15.121 <= 5.15.*unaffected
LinuxLinux6.1.40 <= 6.1.*unaffected
LinuxLinux6.4.5 <= 6.4.*unaffected
LinuxLinux6.5 <= *unaffected

Weaknesses

References