UBUNTU-CVE-2023-54324

In the Linux kernel, the following vulnerability has been resolved: dm: fix a race condition in retrievedeps There's a race condition in the multipath target when retrievedeps races with multipathmessage calling dmgetdevice and dmputdevice. retrievedeps walks the list of open devices without...

kernel: dm: fix a race condition in retrieve_deps

A use-after-free flaw was found in the Linux kernel's device-mapper multipath implementation. A race condition exists between retrievedeps and multipathmessage when devices are added or removed. The retrievedeps function walks the device list without holding a lock while multipathmessage can modi...