CVE-2025-21963 (GCVE-0-2025-21963)
Vulnerability from cvelistv5
Published
2025-04-01 15:46
Modified
2025-10-01 19:26
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix integer overflow while processing acdirmax mount option User-provided mount parameter acdirmax of type u32 is intended to have an upper limit, but before it is validated, the value is converted from seconds to jiffies which can lead to an integer overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
Impacted products
Vendor Product Version
Linux Linux Version: 4c9f948142a550af416a2bfb5e56d29ce29e92cf
Version: 4c9f948142a550af416a2bfb5e56d29ce29e92cf
Version: 4c9f948142a550af416a2bfb5e56d29ce29e92cf
Version: 4c9f948142a550af416a2bfb5e56d29ce29e92cf
Version: 4c9f948142a550af416a2bfb5e56d29ce29e92cf
Version: 4c9f948142a550af416a2bfb5e56d29ce29e92cf
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      "cveMetadata": "{\"cveId\": \"CVE-2025-21963\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-01T19:26:32.336Z\", \"dateReserved\": \"2024-12-29T08:45:45.795Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-04-01T15:46:59.773Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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