CVE-2022-48747

High

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.

Package Linux Kernel
Published 2024-06-20
Last modified 2025-03-24
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

7.5

out of 10
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness type

CWE-908

CVE-2022-48747 is classified as CWE-908

See CWE-908 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 5.4.9, 5.5 and later are affected. Fixed in 5.4.176, 5.10.96, 5.15.19, 5.16.5, 5.17 and their respective stable series.

Affected from
≥ 5.4.9 ≥ 5.5
Fixed in
✓ 5.4.176 5.4.x ✓ 5.10.96 5.10.x ✓ 5.15.19 5.15.x ✓ 5.16.5 5.16.x ✓ 5.17

Frequently asked questions

  • What is CVE-2022-48747?

    CVE-2022-48747 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 . It affects Linux kernel versions from 5.4.9 onward and has been patched in 5.4.176, 5.10.96, 5.15.19 and others. CVE-2022-48747 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2022-48747?

    CVE-2022-48747 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N .

  • Is there a patch available for CVE-2022-48747?

    Yes. CVE-2022-48747 has been patched. Fixed versions include 5.4.176, 5.10.96, 5.15.19 and others. If you are running Linux kernel 5.4.9 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2022-48747 actively exploited?

    No. CVE-2022-48747 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.