CVE-2023-53044

Summary

In the Linux kernel, the following vulnerability has been resolved:

dm stats: check for and propagate alloc_percpu failure

Check alloc_precpu()'s return value and return an error from dm_stats_init() if it fails. Update alloc_dev() to fail if dm_stats_init() does.

Otherwise, a NULL pointer dereference will occur in dm_stats_cleanup() even if dm-stats isn't being actively used.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxfd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 2287d7b721471a3d58bcd829250336e3cdf1635eaffected
LinuxLinuxfd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 0d96bd507ed7e7d565b6d53ebd3874686f123b2eaffected
LinuxLinuxfd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 4a32a9a818a895671bd43e0c40351e60e4e9140baffected
LinuxLinuxfd2ed4d252701d3bbed4cd3e3d267ad469bb832a < c68f08cc745675a17894e1b4a5b5b9700ace6da4affected
LinuxLinuxfd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 443c9d522397511a4328dc2ec3c9c63c73049756affected
LinuxLinuxfd2ed4d252701d3bbed4cd3e3d267ad469bb832a < a42180dd361584816bfe15c137b665699b994d90affected
LinuxLinuxfd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 5b66e36a3efd24041b7374432bfa4dec2ff01e95affected
LinuxLinuxfd2ed4d252701d3bbed4cd3e3d267ad469bb832a < d3aa3e060c4a80827eb801fc448debc9daa7c46baffected
LinuxLinux3.12affected
LinuxLinux0 < 3.12unaffected
LinuxLinux4.14.312 <= 4.14.*unaffected
LinuxLinux4.19.280 <= 4.19.*unaffected
LinuxLinux5.4.240 <= 5.4.*unaffected
LinuxLinux5.10.177 <= 5.10.*unaffected
LinuxLinux5.15.105 <= 5.15.*unaffected
LinuxLinux6.1.22 <= 6.1.*unaffected
LinuxLinux6.2.9 <= 6.2.*unaffected
LinuxLinux6.3 <= *unaffected

Weaknesses

References