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CVE-2026-97487

UnknownEPSS 0.17%

Last modified

CVE-2026-97487 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: jfs: handle set_blocksize failures jfs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting we 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: jfs: handle set_blocksize failures jfs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting we 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, < e2712fa5c02cd1b3e40d45bc8ce581f3c67bf4b4; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < deb9400a38849e03210c9169b777e89e74debe96; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < a0eaa3f4b6dcc829228752f6255f0e45cc94b273; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 87d6852f06c5a29f757f7b7ad1423e4cbd0f2cad; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < a0ac22af8acca6ea6c57aff72662086cb3243b1c; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 153374ee67a458c77b5755d3cc57fbdc639d327e; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 05107f5602751fcfd3d108c1f579eb45aabead52
LinuxLinux2.6.12

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-97487?
In the Linux kernel, the following vulnerability has been resolved: jfs: handle set_blocksize failures jfs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting we will hit the BUG_ON(offset >= folio_size(folio)); in folio_set_bh on the first __bread_gfp call.
How severe is CVE-2026-97487?
Severity scoring for CVE-2026-97487 is pending analysis. The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-97487?
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