GHSA-832P-GGR6-5385
Vulnerability from github – Published: 2026-09-16 12:30 – Updated: 2026-09-16 12:30In the Linux kernel, the following vulnerability has been resolved:
media: cedrus: fix memory leak in cedrus_init_ctrls()
In cedrus_init_ctrls(), the V4L2 control handler is initialized before allocating memory for ctx->ctrls. If this allocation fails, the function returns -ENOMEM without freeing the previously allocated handler resources, leading to a memory leak.
Fix this by calling v4l2_ctrl_handler_free() on the ctx->ctrls allocation failure path.
The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under development and is not yet publicly available. Manual inspection confirms that the bug is still present in v7.1.1.
An x86_64 allyesconfig build showed no new warnings. As we do not have an Allwinner SoC or board with a Cedrus VPU available to test with, no runtime testing was able to be performed.
{
"affected": [],
"aliases": [
"CVE-2026-89896"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-16T11:16:58Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cedrus: fix memory leak in cedrus_init_ctrls()\n\nIn cedrus_init_ctrls(), the V4L2 control handler is initialized before\nallocating memory for ctx-\u003ectrls. If this allocation fails, the function\nreturns -ENOMEM without freeing the previously allocated handler\nresources, leading to a memory leak.\n\nFix this by calling v4l2_ctrl_handler_free() on the ctx-\u003ectrls allocation\nfailure path.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still\npresent in v7.1.1.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have an\nAllwinner SoC or board with a Cedrus VPU available to test with, no\nruntime testing was able to be performed.",
"id": "GHSA-832p-ggr6-5385",
"modified": "2026-09-16T12:30:40Z",
"published": "2026-09-16T12:30:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89896"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/22441be29ec27c693f40c1ef499093275ef529d1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6fabacc3b79a528450aef4c32464da2ec681049e"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/729a1ffab968b3c493f61d1cd683f5bafec500ea"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/79fd0b0161506fc9507bf7a6fe4c975a857a5be8"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/81aa608ac3a56cdd4aab0bd12442ed529a24ba31"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/9df2fbe563194da1967a5db083442186c1323efe"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ce5693b6e3a693fcdc3800af309363f6250104c8"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f78cf36cabf911da348ea80e4e9f430d74f6905c"
}
],
"schema_version": "1.4.0",
"severity": []
}
Sightings
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|---|
Nomenclature
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