DEBIAN-CVE-2024-50214

In the Linux kernel, the following vulnerability has been resolved: drm/connector: hdmi: Fix memory leak in drmdisplaymodefromceavic() modprobe drmconnectortest and then rmmod drmconnectortest, the following memory leak occurs. The mode allocated in drmmodeduplicate() called by drmdisplaymodefromceavic() is not freed, which cause the memory leak: unreferenced object 0xffffff80cb0ee400 (size 128): comm "kunittrycatch", pid 1948, jiffies 4294950339 hex dump (first 32 bytes): 14 44 02 00 80 07 d8 07 04 08 98 08 00 00 38 04 .D............8. 3c 04 41 04 65 04 00 00 05 00 00 00 00 00 00 00 <.A.e........... backtrace (crc 90e9585c): [<00000000ec42e3d7>] kmemleakalloc+0x34/0x40 [<00000000d0ef055a>] _kmalloccachenoprof+0x26c/0x2f4 [<00000000c2062161>] drmmodeduplicate+0x44/0x19c [<00000000f96c74aa>] drmdisplaymodefromceavic+0x88/0x98 [<00000000d8f2c8b4>] 0xffffffdc982a4868 [<000000005d164dbc>] kunittryruncase+0x13c/0x3ac [<000000006fb23398>] kunitgenericrunthreadfnadapter+0x80/0xec [<000000006ea56ca0>] kthread+0x2e8/0x374 [<000000000676063f>] retfromfork+0x10/0x20 ...... Free mode by using drmkunitdisplaymodefromceavic() to fix it.