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CVE-2026-97490

UnknownEPSS 0.17%

Last modified

CVE-2026-97490 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: affs: handle set_blocksize failures affs 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: affs: handle set_blocksize failures affs 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, < f5d65b2811872e8f8b424860fa7c2500afbbc5a6; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < c7f29c5d999093629712c63792abda89a36b428d; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < d05b0ee9b42cb3cc499272d1bc91609f7492a1a8; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < ea8a4a9f3cc101207611be724a8b83838de9a93f; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < bb45146a661934ef801f8fc62f88cdbcf6584ed1; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < e01af5aa641039e000af855f448475316f0550fc; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 0861182af5983a39bd2a891966436c5679b74a45
LinuxLinux2.6.12

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-97490?
In the Linux kernel, the following vulnerability has been resolved: affs: handle set_blocksize failures affs 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-2026-97490?
Severity scoring for CVE-2026-97490 is pending analysis. The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-97490?
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