Metrics
Affected Vendors & Products
No data.
No data.
OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.
| Vendors | Products |
|---|---|
|
Chan
Subscribe
|
Fatfs
Subscribe
|
No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
No reference.
Thu, 16 Jul 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | FatFs Integer Underflow in Dirty-Sector Cache Flush | |
| References |
|
|
| Metrics |
ssvc
|
Thu, 16 Jul 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. Note that this issue has been disputed by the Supplier. It will be rejected shortly. | This CVE ID has been rejected or withdrawn by its CVE Numbering Authority following a notification that the vulnerability determination was made in error. After review, the CNA confirmed the erroneous finding. Thanks to David Brown for reaching out about this issue. |
| Weaknesses | CWE-191 | |
| References |
|
|
| Metrics |
cvssV3_1
|
Thu, 16 Jul 2026 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | 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. Note that this issue has been disputed by the Supplier. It will be rejected shortly. |
Mon, 06 Jul 2026 23:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Chan
Chan fatfs |
|
| Vendors & Products |
Chan
Chan fatfs |
Wed, 01 Jul 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 01 Jul 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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 |
| |
| Metrics |
cvssV3_1
|
Projects
Sign in to view the affected projects.
MITRE
Status: REJECTED
Assigner: runZero
Published:
Updated: 2026-07-16T20:11:12.305Z
Reserved: 2026-04-20T15:06:21.250Z
Link: CVE-2026-6685
Vulnrichment
Updated:
NVD
Status : Rejected
Published: 2026-07-01T15:17:12.660
Modified: 2026-07-16T21:17:22.107
Link: CVE-2026-6685
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-07-17T13:00:13Z