In the Linux kernel, the following vulnerability has been resolved:
net: marvell: prestera: fix double free issue on err path
fix error path handling in presterabridgeport_join() that cases prestera driver to crash (see below).
Trace: Internal error: Oops: 96000044 [#1] SMP Modules linked in: presterapci prestera uiopdrvgenirq CPU: 1 PID: 881 Comm: ip Not tainted 5.15.0 #1 pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : presterabridgedestroy+0x2c/0xb0 [prestera] lr : presterabridgeportjoin+0x2cc/0x350 [prestera] sp : ffff800011a1b0f0 ... x2 : ffff000109ca6c80 x1 : dead000000000100 x0 : dead000000000122 Call trace: presterabridgedestroy+0x2c/0xb0 [prestera] presterabridgeportjoin+0x2cc/0x350 [prestera] presteranetdevportevent.constprop.0+0x3c4/0x450 [prestera] presteranetdeveventhandler+0xf4/0x110 [prestera] rawnotifiercallchain+0x54/0x80 callnetdevicenotifiersinfo+0x54/0xa0 _netdevupperdev_link+0x19c/0x380