BELL-CVE-2024-26632

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CVE-2024-26632

A vulnerability was found in block subsystem of Linux Kernel causing a system crash when iterating an empty bio using bioforeachfolioall function. This occurred because biofirstfolio called pagefolio on a NULL pointer. Mitigation Red Hat has investigated whether a possible mitigation exists for...

CVE-2024-26632

In the Linux kernel, the following vulnerability has been resolved: block: Fix iterating over an empty bio with bioforeachfolioall If the bio contains no data, biofirstfolio calls pagefolio on a NULL pointer and oopses. Move the test that we've reached the end of the bio from bionextfolio to...

CVE-2024-26632

In the Linux kernel, the following vulnerability has been resolved: block: Fix iterating over an empty bio with bioforeachfolioall If the bio contains no data, biofirstfolio calls pagefolio on a NULL pointer and oopses. Move the test that we've reached the end of the bio from bionextfolio to...

CVE-2024-26632 block: Fix iterating over an empty bio with bio_for_each_folio_all

In the Linux kernel, the following vulnerability has been resolved: block: Fix iterating over an empty bio with bioforeachfolioall If the bio contains no data, biofirstfolio calls pagefolio on a NULL pointer and oopses. Move the test that we've reached the end of the bio from bionextfolio to...

CVE-2024-26632

In the Linux kernel, the following vulnerability has been resolved: block: Fix iterating over an empty bio with bioforeachfolioall If the bio contains no data, biofirstfolio calls pagefolio on a NULL pointer and oopses. Move the test that we've reached the end of the bio from bionextfolio to...

CVE-2024-26632

CVE-2024-26632 affects the Linux kernel’s block layer, where iterating over an empty bio could trigger a NULL dereference in bio_first_folio() if bio contains no data. The fix moves the end-of-bio test from bio_next_folio() to bio_first_folio(), preventing oopses by avoiding dereferencing a NULL ...