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Tracking
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Mon, 06 Jul 2026 23:15:00 +0000
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Chan
Chan fatfs |
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Chan
Chan fatfs |
Wed, 01 Jul 2026 16:30:00 +0000
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ssvc
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Wed, 01 Jul 2026 14:30:00 +0000
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| Description | FatFs R0.16 and earlier exhibits a stale dirty-cache skip via unsigned-subtraction wrap in f_read() / f_write() (fp->sect - sect < cc) during interleaved read/write on fragmented filesystems. This maps to CWE-191 (Integer Underflow). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H (6.1, Medium). The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Total. | |
| Title | FatFs Integer Underflow in Dirty-Sector Cache Flush | |
| Weaknesses | CWE-191 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: runZero
Published:
Updated: 2026-07-01T15:26:37.612Z
Reserved: 2026-04-20T15:06:21.250Z
Link: CVE-2026-6685
Updated: 2026-07-01T15:26:33.909Z
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OpenCVE Enrichment
Updated: 2026-07-07T20:45:03Z