CVE-2022-48747 - CVE House
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Status published Unknown CVE-2022-48747

block: Fix wrong offset in bio_truncate()

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
943cd69efac437d82a7aea0659fccbcc071730de, 85a8ce62c2eabe28b9d76ca4eecf37922402df93, 5.4.9, 5.5, 0, 5.4.176, 5.10.96, 5.15.19, 5.16.5, 5.17

Timeline

Official Publish: June 20th, 2024
Last Modified: May 23rd, 2026
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.