GHSA-C62V-4W5F-P7PW
Vulnerability from github – Published: 2024-11-19 03:31 – Updated: 2024-11-27 18:34In the Linux kernel, the following vulnerability has been resolved:
media: vivid: fix buffer overwrite when using > 32 buffers
The maximum number of buffers that can be requested was increased to 64 for the video capture queue. But video capture used a must_blank array that was still sized for 32 (VIDEO_MAX_FRAME). This caused an out-of-bounds write when using buffer indices >= 32.
Create a new define MAX_VID_CAP_BUFFERS that is used to access the must_blank array and set max_num_buffers for the video capture queue.
This solves a crash reported by:
https://bugzilla.kernel.org/show_bug.cgi?id=219258
{
"affected": [],
"aliases": [
"CVE-2024-50288"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-11-19T02:16:31Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: vivid: fix buffer overwrite when using \u003e 32 buffers\n\nThe maximum number of buffers that can be requested was increased to\n64 for the video capture queue. But video capture used a must_blank\narray that was still sized for 32 (VIDEO_MAX_FRAME). This caused an\nout-of-bounds write when using buffer indices \u003e= 32.\n\nCreate a new define MAX_VID_CAP_BUFFERS that is used to access the\nmust_blank array and set max_num_buffers for the video capture queue.\n\nThis solves a crash reported by:\n\n\thttps://bugzilla.kernel.org/show_bug.cgi?id=219258",
"id": "GHSA-c62v-4w5f-p7pw",
"modified": "2024-11-27T18:34:01Z",
"published": "2024-11-19T03:31:08Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-50288"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/96d8569563916fe2f8fe17317e20e43f54f9ba4b"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/e6bacd8f2178b22859fe6d9f755f19dfcd9d3862"
}
],
"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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