Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 8a5160cc8488776ddc48ea045860dab015f47390 before b4298d33c1fcce511ffe84d8d3de07e220300f9b; affected 8fbbf2b3849419e31731902d7478b0c934732632 before e256a0eb43e17209e347409a80805b1659398d68; affected d2100ef32a8cfd024bad94f4fbc5e53d40d2b3da before 4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0; affected d4ec1ffbdaa8939a208656e9c1440742c457ef16 before d66083c0d6f5125a4d982aa177dd71ab4cd3d212; affected fa0c16caf3d73ab4d2e5d6fa2ef2394dbec91791 before b4b91033a0b11fe9ade58156cd9168f89f4a8c1a; affected fa0c16caf3d73ab4d2e5d6fa2ef2394dbec91791 before 7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2; affected cef14d5d92f14a6e282c3216c2da63e05f14758a; affected 4.14.226 before 4.14.235; affected 4.19.181 before 4.19.193; affected 5.4.106 before 5.4.124; affected 5.10.24 before 5.10.42; affected 5.11.7 before 5.12 |
| Linux / Linux | affected 5.12; unaffected 0 before 5.12; unaffected 4.14.235 through 4.14.*; unaffected 4.19.193 through 4.19.*; unaffected 5.4.124 through 5.4.*; unaffected 5.10.42 through 5.10.*; unaffected 5.12.9 through 5.12.*; unaffected 5.13 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b
- https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68
- https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0
- https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212
- https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a
- https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2
ADP enrichment
No English description supplied.
No references supplied.
No English description supplied.
- https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b
- https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68
- https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0
- https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212
- https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a
- https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2