What is CVE-2022-48747?

CVE-2022-48747 is a high-severity vulnerability in Linux, classified under Use of Uninitialized Resource. CVSS score: 7.5/10. Published 2024-06-20.

How severe is CVE-2022-48747?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Linux

CVE-2022-48747

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.

EPSS: 0.009 (56.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Linux — versions 5.10.96, 85a8ce62c2eabe28b9d76ca4eecf37922402df93, 5.5
Linux Linux_kernel

Weakness classification (CWE)

CWE-908 — Use of Uninitialized Resource

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2022-48747?: CVE-2022-48747 is a high-severity vulnerability in Linux, classified under Use of Uninitialized Resource. CVSS score: 7.5/10. Published 2024-06-20.
How severe is CVE-2022-48747?: High severity. CVSS v3 base score is 7.5 out of 10.