CVE-2022-49779

CVE-2022-49779 affects the Linux kernel kprobes subsystem, specifically the kprobe-on-ftrace path. Description: when unregistering an aggrprobe, if the currently unregistered probe has a post_handler but sibling probes do not, the aggrprobe’s post_handler may be cleared. If the probe is ftrace-ba...

CVE-2022-49779 kprobes: Skip clearing aggrprobe's post_handler in kprobe-on-ftrace case

In the Linux kernel, the following vulnerability has been resolved: kprobes: Skip clearing aggrprobe's posthandler in kprobe-on-ftrace case In unregisterkprobetop, if the currently unregistered probe has posthandler but other child probes of the aggrprobe do not have posthandler, the posthandler ...