Vulnerability Details CVE-2025-21988
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").
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 21.9%
CVSS Severity
CVSS v3 Score 5.5
References
Products affected by CVE-2025-21988
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cpe:2.3:o:linux:linux_kernel:6.12
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cpe:2.3:o:linux:linux_kernel:6.12.1
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cpe:2.3:o:linux:linux_kernel:6.12.10
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cpe:2.3:o:linux:linux_kernel:6.12.11
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cpe:2.3:o:linux:linux_kernel:6.12.12
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cpe:2.3:o:linux:linux_kernel:6.12.13
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cpe:2.3:o:linux:linux_kernel:6.12.14
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cpe:2.3:o:linux:linux_kernel:6.12.15
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cpe:2.3:o:linux:linux_kernel:6.12.16
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cpe:2.3:o:linux:linux_kernel:6.12.17
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cpe:2.3:o:linux:linux_kernel:6.12.18
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cpe:2.3:o:linux:linux_kernel:6.12.19
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cpe:2.3:o:linux:linux_kernel:6.12.2
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cpe:2.3:o:linux:linux_kernel:6.12.3
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cpe:2.3:o:linux:linux_kernel:6.12.4
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cpe:2.3:o:linux:linux_kernel:6.12.5
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cpe:2.3:o:linux:linux_kernel:6.12.6
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cpe:2.3:o:linux:linux_kernel:6.12.7
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cpe:2.3:o:linux:linux_kernel:6.12.8
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cpe:2.3:o:linux:linux_kernel:6.12.9
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cpe:2.3:o:linux:linux_kernel:6.13
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cpe:2.3:o:linux:linux_kernel:6.13.1
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cpe:2.3:o:linux:linux_kernel:6.13.2
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cpe:2.3:o:linux:linux_kernel:6.13.3
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cpe:2.3:o:linux:linux_kernel:6.13.4
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cpe:2.3:o:linux:linux_kernel:6.13.5
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cpe:2.3:o:linux:linux_kernel:6.13.6
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cpe:2.3:o:linux:linux_kernel:6.13.7