GHSA-H3C4-5G8F-WF66
Vulnerability from github – Published: 2025-01-15 15:31 – Updated: 2025-11-03 21:32In the Linux kernel, the following vulnerability has been resolved:
RDMA/uverbs: Prevent integer overflow issue
In the expression "cmd.wqe_size * cmd.wr_count", both variables are u32 values that come from the user so the multiplication can lead to integer wrapping. Then we pass the result to uverbs_request_next_ptr() which also could potentially wrap. The "cmd.sge_count * sizeof(struct ib_uverbs_sge)" multiplication can also overflow on 32bit systems although it's fine on 64bit systems.
This patch does two things. First, I've re-arranged the condition in uverbs_request_next_ptr() so that the use controlled variable "len" is on one side of the comparison by itself without any math. Then I've modified all the callers to use size_mul() for the multiplications.
{
"affected": [],
"aliases": [
"CVE-2024-57890"
],
"database_specific": {
"cwe_ids": [
"CWE-190"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-01-15T13:15:13Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/uverbs: Prevent integer overflow issue\n\nIn the expression \"cmd.wqe_size * cmd.wr_count\", both variables are u32\nvalues that come from the user so the multiplication can lead to integer\nwrapping. Then we pass the result to uverbs_request_next_ptr() which also\ncould potentially wrap. The \"cmd.sge_count * sizeof(struct ib_uverbs_sge)\"\nmultiplication can also overflow on 32bit systems although it\u0027s fine on\n64bit systems.\n\nThis patch does two things. First, I\u0027ve re-arranged the condition in\nuverbs_request_next_ptr() so that the use controlled variable \"len\" is on\none side of the comparison by itself without any math. Then I\u0027ve modified\nall the callers to use size_mul() for the multiplications.",
"id": "GHSA-h3c4-5g8f-wf66",
"modified": "2025-11-03T21:32:12Z",
"published": "2025-01-15T15:31:24Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-57890"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/346db03e9926ab7117ed9bf19665699c037c773c"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/42a6eb4ed7a9a41ba0b83eb0c7e0225b5fca5608"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b3ef4ae713360501182695dd47d6b4f6e1a43eb8"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b92667f755749cf10d9ef1088865c555ae83ffb7"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/c2f961c46ea0e5274c5c320d007c2dd949cf627a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/c57721b24bd897338a81a0ca5fff41600f0f1ad1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d0257e089d1bbd35c69b6c97ff73e3690ab149a9"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
}
],
"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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