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CVE-2022-48747

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CVE-2022-48747

Published: Jun 20, 2024

Modified: May 23, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
943cd69efac437d82a7aea0659fccbcc071730de - < 6cbf4c731d7812518cd857c2cfc3da9fd120f6ae
affected
85a8ce62c2eabe28b9d76ca4eecf37922402df93 - < b63e120189fd92aff00096d11e2fc5253f60248b
affected
85a8ce62c2eabe28b9d76ca4eecf37922402df93 - < 4633a79ff8bc82770486a063a08b55e5162521d8
affected
85a8ce62c2eabe28b9d76ca4eecf37922402df93 - < 941d5180c430ce5b0f7a3622ef9b76077bfa3d82
affected
85a8ce62c2eabe28b9d76ca4eecf37922402df93 - < 3ee859e384d453d6ac68bfd5971f630d9fa46ad3

+1 more versions

Linux

Linux

affected
5.5
unaffected
0 - < 5.5
unaffected
5.4.176 - <= 5.4.*
unaffected
5.10.96 - <= 5.10.*
unaffected
5.15.19 - <= 5.15.*

+2 more versions

References

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