Red Hat: CVE-2022-48747: kernel: block: Fix wrong offset in bio_truncate() (Multiple Advisories)
Description
In the Linux kernel, the following vulnerability has been resolved: block: Fix wrong offset in bio_truncate() bio_truncate() clears the buffer outside of last block of bdev, however current bio_truncate() is using the wrong offset of page. So it can return the uninitialized data. This happened when both of truncated/corrupted FS and userspace (via bdev) are trying to read the last of bdev.
Solution(s)
- redhat-upgrade-kernel
- redhat-upgrade-kernel-rt
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