cve-2021-47165
Vulnerability from cvelistv5
Published
2024-03-25 09:16
Modified
2024-12-19 07:36
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/meson: fix shutdown crash when component not probed When main component is not probed, by example when the dw-hdmi module is not loaded yet or in probe defer, the following crash appears on shutdown: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000038 ... pc : meson_drv_shutdown+0x24/0x50 lr : platform_drv_shutdown+0x20/0x30 ... Call trace: meson_drv_shutdown+0x24/0x50 platform_drv_shutdown+0x20/0x30 device_shutdown+0x158/0x360 kernel_restart_prepare+0x38/0x48 kernel_restart+0x18/0x68 __do_sys_reboot+0x224/0x250 __arm64_sys_reboot+0x24/0x30 ... Simply check if the priv struct has been allocated before using it.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68
Impacted products
Vendor Product Version
Linux Linux Version: 5.12
Show details on NVD website

To clipboard 

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}


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