CVE-2023-53746: In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix memory leak in vfio_ap device driver The device release callback function…

PriorityP422low5.5

EPSS

0.19%

8.5th percentile

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix memory leak in vfio_ap device driver The device release callback function invoked to release the matrix device uses the dev_get_drvdata(device *dev) function to retrieve the pointer to the vfio_matrix_dev object in order to free its storage. The problem is, this object is not stored as drvdata with the device; since the kfree function will accept a NULL pointer, the memory for the vfio_matrix_dev object is never freed. Since the device being released is contained within the vfio_matrix_dev object, the container_of macro will be used to retrieve its pointer.

Affected

17 ranges

Vendor	Product	Version range	Fixed in
debian	linux	< linux 6.1.25-1 (bookworm)	linux 6.1.25-1 (bookworm)
linux	linux	—	—
linux	linux	>= 1fde573413b549d52183382e639c1d6ce88f5959 < 5195de1d5f66b276683240a896783f7f43c4f664	5195de1d5f66b276683240a896783f7f43c4f664
linux	linux	>= 1fde573413b549d52183382e639c1d6ce88f5959 < ee17dea3072dec0bc34399a32fa884e26342e4ea	ee17dea3072dec0bc34399a32fa884e26342e4ea
linux	linux	>= 1fde573413b549d52183382e639c1d6ce88f5959 < aa2bff25e9bb10c935c7ffe3d5f5975bdccb1749	aa2bff25e9bb10c935c7ffe3d5f5975bdccb1749
linux	linux	>= 1fde573413b549d52183382e639c1d6ce88f5959 < 6a40fda14b4be3e38f03cc42ffd4efbc64fb3e67	6a40fda14b4be3e38f03cc42ffd4efbc64fb3e67
linux	linux	>= 1fde573413b549d52183382e639c1d6ce88f5959 < 7b6a02f5bf15931464c79dfd487c57f76aae3496	7b6a02f5bf15931464c79dfd487c57f76aae3496
linux	linux	>= 1fde573413b549d52183382e639c1d6ce88f5959 < 8f8cf767589f2131ae5d40f3758429095c701c84	8f8cf767589f2131ae5d40f3758429095c701c84
linux	linux_kernel	>= 0 < 5.10.178-1	5.10.178-1
linux	linux_kernel	>= 0 < 6.1.25-1	6.1.25-1
linux	linux_kernel	>= 0 < 6.1.25-1	6.1.25-1
linux	linux_kernel	>= 0 < 6.1.25-1	6.1.25-1
linux	linux_kernel	>= 4.20.0 < 5.4.240	5.4.240
linux	linux_kernel	>= 5.11.0 < 5.15.106	5.15.106
linux	linux_kernel	>= 5.16.0 < 6.1.23	6.1.23
linux	linux_kernel	>= 5.5.0 < 5.10.177	5.10.177
linux	linux_kernel	>= 6.2.0 < 6.2.10	6.2.10

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