CVE - CVE-2021-47165

CVE-ID
CVE-2021-47165	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0 URL:https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0 MISC:https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2 URL:https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2 MISC:https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b URL:https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b MISC:https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a URL:https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a MISC:https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212 URL:https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212 MISC:https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68 URL:https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68
Assigning CNA
kernel.org
Date Record Created
20240325	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240325)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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