CVE-2022-50376: orangefs: Fix kmemleak in orangefs_{kernel,client}_debug_init()
In the Linux kernel, the following vulnerability has been resolved:
orangefs: Fix kmemleak in orangefs{kernel,client}debuginit()
When insert and remove the orangefs module, there are memory leaked as below:
unreferenced object 0xffff88816b0cc000 (size 2048): comm "insmod", pid 783, jiffies 4294813439 (age 65.512s) hex dump (first 32 bytes): 6e 6f 6e 65 0a 00 00 00 00 00 00 00 00 00 00 00 none............ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000031ab7788>] kmalloctrace+0x27/0xa0 [<000000005b405fee>] orangefsdebugfsinit.cold+0xaf/0x17f [<00000000e5a0085b>] 0xffffffffa02780f9 [<000000004232d9f7>] dooneinitcall+0x87/0x2a0 [<0000000054f22384>] doinitmodule+0xdf/0x320 [<000000003263bdea>] loadmodule+0x2f98/0x3330 [<0000000052cd4153>] dosysfinitmodule+0x113/0x1b0 [<00000000250ae02b>] dosyscall64+0x35/0x80 [<00000000f11c03c7>] entrySYSCALL64afterhwframe+0x46/0xb0
Use the golbal variable as the buffer rather than dynamic allocate to slove the problem.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2022-50376?
CVE-2022-50376 has been classified as a memory leak vulnerability in the Linux kernel affecting the OrangeFS module.
How do I fix CVE-2022-50376?
To address CVE-2022-50376, update your Linux kernel or the OrangeFS module to the latest version that contains the fix.
What components are affected by CVE-2022-50376?
CVE-2022-50376 affects the Linux kernel and specifically the OrangeFS module related to memory management.
What are the implications of CVE-2022-50376?
The implications of CVE-2022-50376 involve potential memory leaks when inserting and removing the OrangeFS kernel module.
Is CVE-2022-50376 being actively exploited?
As of now, there is no public information indicating active exploitation of CVE-2022-50376.