GHSA-P43J-9GHF-J8HH
Vulnerability from github – Published: 2026-08-15 06:32 – Updated: 2026-08-17 06:33In the Linux kernel, the following vulnerability has been resolved:
HID: bpf: Fix hid_bpf_get_data() range check
hid_bpf_get_data() returns a pointer into the HID-BPF context data when the caller-provided offset and size fit inside ctx->allocated_size.
The current check adds rdwr_buf_size and offset before comparing the result against ctx->allocated_size. Since both values are unsigned, a very large size can wrap the sum below ctx->allocated_size and make the helper return a pointer even though the requested range is not contained in the backing buffer.
Use check_add_overflow() to reject wrapped range ends before comparing the requested range end against ctx->allocated_size.
{
"affected": [],
"aliases": [
"CVE-2026-72352"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-08-15T06:22:08Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: bpf: Fix hid_bpf_get_data() range check\n\nhid_bpf_get_data() returns a pointer into the HID-BPF context data when\nthe caller-provided offset and size fit inside ctx-\u003eallocated_size.\n\nThe current check adds rdwr_buf_size and offset before comparing the\nresult against ctx-\u003eallocated_size. Since both values are unsigned, a\nvery large size can wrap the sum below ctx-\u003eallocated_size and make the\nhelper return a pointer even though the requested range is not contained\nin the backing buffer.\n\nUse check_add_overflow() to reject wrapped range ends before comparing\nthe requested range end against ctx-\u003eallocated_size.",
"id": "GHSA-p43j-9ghf-j8hh",
"modified": "2026-08-17T06:33:24Z",
"published": "2026-08-15T06:32:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72352"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/2d044049421dd48212b28646a850749d4a2d57fa"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/61a959b82f1aecd6d2d35c208013dd077cac9d10"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ca373549140dfb386aa2de38364b58441b1f4885"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f81bc5a709dcbaf2a3bbef4ca7167f93900cc39f"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
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