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In the Linux kernel, the following vulnerability has been resolved:
rpmsg: virtio: Free driver_override when rpmsg_remove()
Free driver_override when rpmsg_remove(), otherwise
the following memory leak will occur:
unreferenced object 0xffff0000d55d7080 (size 128):
comm "kworker/u8:2", pid 56, jiffies 4294893188 (age 214.272s)
hex dump (first 32 bytes):
72 70 6d 73 67 5f 6e 73 00 00 00 00 00 00 00 00 rpmsg_ns........
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<000000009c94c9c1>] __kmem_cache_alloc_node+0x1f8/0x320
[<000000002300d89b>] __kmalloc_node_track_caller+0x44/0x70
[<00000000228a60c3>] kstrndup+0x4c/0x90
[<0000000077158695>] driver_set_override+0xd0/0x164
[<000000003e9c4ea5>] rpmsg_register_device_override+0x98/0x170
[<000000001c0c89a8>] rpmsg_ns_register_device+0x24/0x30
[<000000008bbf8fa2>] rpmsg_probe+0x2e0/0x3ec
[<00000000e65a68df>] virtio_dev_probe+0x1c0/0x280
[<00000000443331cc>] really_probe+0xbc/0x2dc
[<00000000391064b1>] __driver_probe_device+0x78/0xe0
[<00000000a41c9a5b>] driver_probe_device+0xd8/0x160
[<000000009c3bd5df>] __device_attach_driver+0xb8/0x140
[<0000000043cd7614>] bus_for_each_drv+0x7c/0xd4
[<000000003b929a36>] __device_attach+0x9c/0x19c
[<00000000a94e0ba8>] device_initial_probe+0x14/0x20
[<000000003c999637>] bus_probe_device+0xa0/0xac
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kernel.org https://git.kernel.org/stable/c/229ce47cbfdc7d3a9415eb676abbfb77d676cb08 [No types assigned]
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kernel.org https://git.kernel.org/stable/c/2d27a7b19cb354c6d04bcdc9239e261ff29858d6 [No types assigned]
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kernel.org https://git.kernel.org/stable/c/4e6cef3fae5c164968118a13f3fe293700adc81a [No types assigned]
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kernel.org https://git.kernel.org/stable/c/69ca89d80f2c8a1f5af429b955637beea7eead30 [No types assigned]
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kernel.org https://git.kernel.org/stable/c/9a416d624e5fb7246ea97c11fbfea7e0e27abf43 [No types assigned]
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kernel.org https://git.kernel.org/stable/c/d5362c37e1f8a40096452fc201c30e705750e687 [No types assigned]
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kernel.org https://git.kernel.org/stable/c/dd50fe18c234bd5ff22f658f4d414e8fa8cd6a5d [No types assigned]
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kernel.org https://git.kernel.org/stable/c/f4bb1d5daf77b1a95a43277268adf0d1430c2346 [No types assigned]
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