What is CVE-2022-48686?

CVE-2022-48686 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Use After Free flaw (CWE-416), affecting Linux kernel versions from 5.0 onward and patched in 5.4.213, 5.10.143, 5.15.68 and others. CVE-2022-48686 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48686?

CVE-2022-48686 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2022-48686?

Yes, CVE-2022-48686 has been patched. Fixed versions include 5.4.213, 5.10.143, 5.15.68 and others. If you are running Linux kernel 5.0 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48686 actively exploited?

CVE-2022-48686 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-2022-48686

High

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix UAF when detecting digest errors We should also bail from the io_work loop when we set rd_enabled to true, so we don't attempt to read data from the socket when the TCP stream is already out-of-sync or corrupted.

Package Linux Kernel

Published 2024-05-03

Last modified 2024-11-21

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2022-48686 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 5.0 and later are affected. Fixed in 5.4.213, 5.10.143, 5.15.68, 5.19.9, 6.0 and their respective stable series.

Affected from

≥ 5.0

Fixed in

✓ 5.4.213 5.4.x ✓ 5.10.143 5.10.x ✓ 5.15.68 5.15.x ✓ 5.19.9 5.19.x ✓ 6.0

References

5 total

Kernel Git
https://git.kernel.org/stable/c/13c80a6c112467bab5e44d090767930555fc17a5

Patch
Kernel Git
https://git.kernel.org/stable/c/160f3549a907a50e51a8518678ba2dcf2541abea

Patch
Kernel Git
https://git.kernel.org/stable/c/19816a0214684f70b49b25075ff8c402fdd611d3

Patch
Kernel Git
https://git.kernel.org/stable/c/5914fa32ef1b7766fea933f9eed94ac5c00aa7ff

Patch
Kernel Git
https://git.kernel.org/stable/c/c3eb461aa56e6fa94fb80442ba2586bd223a8886

Patch

Details

CVE ID CVE-2022-48686

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-05-03

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48686?

CVE-2022-48686 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Use After Free flaw (CWE-416) . It affects Linux kernel versions from 5.0 onward and has been patched in 5.4.213, 5.10.143, 5.15.68 and others. CVE-2022-48686 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48686?

CVE-2022-48686 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2022-48686?

Yes. CVE-2022-48686 has been patched. Fixed versions include 5.4.213, 5.10.143, 5.15.68 and others. If you are running Linux kernel 5.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48686 actively exploited?

No. CVE-2022-48686 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.