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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.009 (58.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-48747: held from 0.009 to 0.009.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

  • Linux — versions 5.10.96, 85a8ce62c2eabe28b9d76ca4eecf37922402df93, 5.5
  • Linux Kernel

Weakness classification (CWE)

References

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.