CVE-2022-48747
HighIn 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.
CVSS 3.1 score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness type
CWE-908CVE-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.
References
5 total-
Patch
-
Patch
-
Patch
-
Patch
-
Patch
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.