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CVE-2024-26632

block: Fix iterating over an empty bio with bio_for_each_folio_all PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: block: Fix iterating over an empty bio with bio_for_each_folio_all If the bio contains no data, bio_first_folio() calls page_folio() on a NULL pointer and oopses. Move the test that we've reached the end of the bio from bio_next_folio() to bio_first_folio(). [axboe: add unlikely() to error case]

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 640d1930bef4f87ec8d8d2b05f0f6edc1dfcf662 before c6350b5cb78e9024c49eaee6fdb914ad2903a5fe; affected 640d1930bef4f87ec8d8d2b05f0f6edc1dfcf662 before a6bd8182137a12d22d3f2cee463271bdcb491659; affected 640d1930bef4f87ec8d8d2b05f0f6edc1dfcf662 before ca3ede3f5893e2d26d4dbdef1eec28a8487fafde; affected 640d1930bef4f87ec8d8d2b05f0f6edc1dfcf662 before 7bed6f3d08b7af27b7015da8dc3acf2b9c1f21d7
Linux / Linuxaffected 5.17; unaffected 0 before 5.17; unaffected 6.1.75 through 6.1.*; unaffected 6.6.14 through 6.6.*; unaffected 6.7.2 through 6.7.*; unaffected 6.8 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.