GHSA-RFPV-Q7VR-V94R
Vulnerability from github – Published: 2024-03-25 12:30 – Updated: 2025-03-03 18:31In 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": [],
"aliases": [
"CVE-2021-47165"
],
"database_specific": {
"cwe_ids": [
"CWE-476"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-03-25T10:15:08Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/meson: fix shutdown crash when component not probed\n\nWhen main component is not probed, by example when the dw-hdmi module is\nnot loaded yet or in probe defer, the following crash appears on shutdown:\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000038\n...\npc : meson_drv_shutdown+0x24/0x50\nlr : platform_drv_shutdown+0x20/0x30\n...\nCall trace:\nmeson_drv_shutdown+0x24/0x50\nplatform_drv_shutdown+0x20/0x30\ndevice_shutdown+0x158/0x360\nkernel_restart_prepare+0x38/0x48\nkernel_restart+0x18/0x68\n__do_sys_reboot+0x224/0x250\n__arm64_sys_reboot+0x24/0x30\n...\n\nSimply check if the priv struct has been allocated before using it.",
"id": "GHSA-rfpv-q7vr-v94r",
"modified": "2025-03-03T18:31:20Z",
"published": "2024-03-25T12:30:52Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47165"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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