GHSA-WR55-H4JR-658C
Vulnerability from github – Published: 2025-07-04 15:31 – Updated: 2025-12-18 21:31In the Linux kernel, the following vulnerability has been resolved:
bpf: Check rcu_read_lock_trace_held() in bpf_map_lookup_percpu_elem()
bpf_map_lookup_percpu_elem() helper is also available for sleepable bpf program. When BPF JIT is disabled or under 32-bit host, bpf_map_lookup_percpu_elem() will not be inlined. Using it in a sleepable bpf program will trigger the warning in bpf_map_lookup_percpu_elem(), because the bpf program only holds rcu_read_lock_trace lock. Therefore, add the missed check.
{
"affected": [],
"aliases": [
"CVE-2025-38202"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-07-04T14:15:28Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Check rcu_read_lock_trace_held() in bpf_map_lookup_percpu_elem()\n\nbpf_map_lookup_percpu_elem() helper is also available for sleepable bpf\nprogram. When BPF JIT is disabled or under 32-bit host,\nbpf_map_lookup_percpu_elem() will not be inlined. Using it in a\nsleepable bpf program will trigger the warning in\nbpf_map_lookup_percpu_elem(), because the bpf program only holds\nrcu_read_lock_trace lock. Therefore, add the missed check.",
"id": "GHSA-wr55-h4jr-658c",
"modified": "2025-12-18T21:31:33Z",
"published": "2025-07-04T15:31:09Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38202"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/2d834477bbc1e8b8a59ff8b0c081529d6bed7b22"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/2f8c69a72e8ad87b36b8052f789da3cc2b2e186c"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7bf4461f1c97207fda757014690d55a447ce859f"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b522d4d334f206284b1a44b0b0b2f99fd443b39b"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d4965578267e2e81f67c86e2608481e77e9c8569"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.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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