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CVE-2026-97486

UnknownEPSS 0.17%

Last modified

CVE-2026-97486 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: hpfs: handle set_blocksize failures hpfs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting will hit the BUG_ON(offset >= folio_size(folio)); in folio_set_bh on the first __bread_gfp call.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: hpfs: handle set_blocksize failures hpfs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting will hit the BUG_ON(offset >= folio_size(folio)); in folio_set_bh on the first __bread_gfp call.

Metrics

EPSS Probability
0.17%

5.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < f7b0cde62edb8ceff8bcc17ba3f1b086646fff89; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < b618f681acb6748faf95eee9af2aac5455a74e68; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 10f226687bcb07ed925a453b6f25e817165d113b; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 0451927f42b0282d80d402e8e8c46ff34e9f606f; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < fc79fcc78cb771f2a803e52149cac5ca9050fd05; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < f27e21cf3c0446a3536ea9b588a78a46b0a2cb66; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < a405996f23e04942aad064ab8d50c55827482872
LinuxLinux2.6.12

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-97486?
In the Linux kernel, the following vulnerability has been resolved: hpfs: handle set_blocksize failures hpfs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting will hit the BUG_ON(offset >= folio_size(folio)); in folio_set_bh on the first __bread_gfp call.
How severe is CVE-2026-97486?
Severity scoring for CVE-2026-97486 is pending analysis. The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-97486?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST