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CVE-2022-48747

block: Fix wrong offset in bio_truncate() PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 943cd69efac437d82a7aea0659fccbcc071730de before 6cbf4c731d7812518cd857c2cfc3da9fd120f6ae; affected 85a8ce62c2eabe28b9d76ca4eecf37922402df93 before b63e120189fd92aff00096d11e2fc5253f60248b; affected 85a8ce62c2eabe28b9d76ca4eecf37922402df93 before 4633a79ff8bc82770486a063a08b55e5162521d8; affected 85a8ce62c2eabe28b9d76ca4eecf37922402df93 before 941d5180c430ce5b0f7a3622ef9b76077bfa3d82; affected 85a8ce62c2eabe28b9d76ca4eecf37922402df93 before 3ee859e384d453d6ac68bfd5971f630d9fa46ad3; affected 5.4.9 before 5.4.176
Linux / Linuxaffected 5.5; unaffected 0 before 5.5; unaffected 5.4.176 through 5.4.*; unaffected 5.10.96 through 5.10.*; unaffected 5.15.19 through 5.15.*; unaffected 5.16.5 through 5.16.*; unaffected 5.17 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.