What is CVE-2022-48844?

CVE-2022-48844 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Use After Free flaw (CWE-416), affecting Linux kernel versions from 5.15 onward and patched in 5.15.30, 5.16.16 and 5.17. CVE-2022-48844 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48844?

CVE-2022-48844 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-48844?

Yes, CVE-2022-48844 has been patched. Fixed versions include 5.15.30, 5.16.16 and 5.17. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48844 actively exploited?

CVE-2022-48844 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2022-48844

Medium

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix leaking sent_cmd skb sent_cmd memory is not freed before freeing hci_dev causing it to leak it contents.

Package Linux Kernel

Published 2024-07-16

Last modified 2024-11-21

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-416

CVE-2022-48844 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.15 and later are affected. Fixed in 5.15.30, 5.16.16, 5.17 and their respective stable series.

Affected from

≥ 5.15

Fixed in

✓ 5.15.30 5.15.x ✓ 5.16.16 5.16.x ✓ 5.17

References

3 total

Kernel Git
https://git.kernel.org/stable/c/3679ccc09d8806686d579095ed504e045af7f7d6

Patch
Kernel Git
https://git.kernel.org/stable/c/9473d06bd1c8da49eafb685aa95a290290c672dd

Patch
Kernel Git
https://git.kernel.org/stable/c/dd3b1dc3dd050f1f47cd13e300732852414270f8

Patch

Details

CVE ID CVE-2022-48844

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-07-16

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48844?

CVE-2022-48844 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Use After Free flaw (CWE-416) . It affects Linux kernel versions from 5.15 onward and has been patched in 5.15.30, 5.16.16 and 5.17. CVE-2022-48844 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48844?

CVE-2022-48844 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-48844?

Yes. CVE-2022-48844 has been patched. Fixed versions include 5.15.30, 5.16.16 and 5.17. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48844 actively exploited?

No. CVE-2022-48844 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.