IT

Tracker / CVE-2024-47705

CVE-2024-47705

Medium 5.5

In the Linux kernel, the following vulnerability has been resolved: block: fix potential invalid pointer dereference in blk_add_partition The blk_add_partition() function initially used a single if-condition (IS_ERR(part)) to check for errors when adding a partition. This was modified to handle the specific case of -ENXIO separately, allowing the function to proceed without logging the error in this case. However, this change unintentionally left a path where md_autodetect_dev() could be called without confirming that part is a valid pointer. This commit separates the error handling logic by splitting the initial if-condition, improving code readability and handling specific error scenarios explicitly. The function now distinguishes the general error case from -ENXIO without altering the existing behavior of md_autodetect_dev() calls.

Affected products and versions

linux linux_kernel · 5.11 → 5.15.168
linux linux_kernel · 5.16 → 6.1.113
linux linux_kernel · 5.5 → 5.10.227
linux linux_kernel · 6.11 → 6.11.2
linux linux_kernel · 6.2 → 6.6.54
linux linux_kernel · 6.7 → 6.10.13

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References