CVE-2025-21988 (GCVE-0-2025-21988)
Vulnerability from cvelistv5
Published
2025-04-02 12:53
Modified
2025-10-10 16:45
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: fs/netfs/read_collect: add to next->prev_donated If multiple subrequests donate data to the same "next" request (depending on the subrequest completion order), each of them would overwrite the `prev_donated` field, causing data corruption and a BUG() crash ("Can't donate prior to front").
References
Impacted products
Vendor Product Version
Linux Linux Version: ee4cdf7ba857a894ad1650d6ab77669cbbfa329e
Version: ee4cdf7ba857a894ad1650d6ab77669cbbfa329e
Version: ee4cdf7ba857a894ad1650d6ab77669cbbfa329e
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          "programFiles": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/netfs/read_collect: add to next-\u003eprev_donated\n\nIf multiple subrequests donate data to the same \"next\" request\n(depending on the subrequest completion order), each of them would\noverwrite the `prev_donated` field, causing data corruption and a\nBUG() crash (\"Can\u0027t donate prior to front\")."
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        "dateUpdated": "2025-10-10T16:45:43.112Z",
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    "dateReserved": "2024-12-29T08:45:45.800Z",
    "dateUpdated": "2025-10-10T16:45:43.112Z",
    "state": "PUBLISHED"
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