What is CVE-2022-47941?

CVE-2022-47941 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10, classified as a Memory Leak flaw (CWE-401). CVE-2022-47941 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-47941?

CVE-2022-47941 has a CVSS score of 7.5 out of 10, rated High severity. The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-47941?

No patch is currently available for CVE-2022-47941. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2022-47941 actively exploited?

CVE-2022-47941 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/401.html

CVE-2022-47941

High

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak.

Package Linux Kernel

Published 2022-12-23

Last modified 2025-04-15

CVSS version 3.1

Patch available

Awaiting data

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

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-401

CVE-2022-47941 is a Memory Leak vulnerability

What is Memory Leak?

The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2022-47941 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Openwall
http://www.openwall.com/lists/oss-security/2022/12/23/10

Mailing List Third Party Advisory
Zerodayinitiative
https://www.zerodayinitiative.com/advisories/ZDI-22-1687/

Third Party Advisory VDB Entry
Kernel patch commit
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
Patch
Kernel patch commit
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa7253c2393f6dcd6a1468b0792f6da76edad917
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917
Patch

Details

CVE ID CVE-2022-47941

Severity High

CVSS score 7.5 / 10

CVSS version 3.1

Published 2022-12-23

Modified 2025-04-15

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2022-47941?

CVE-2022-47941 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . CVE-2022-47941 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-47941?

CVE-2022-47941 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:N/I:N/A:H.
Is there a patch available for CVE-2022-47941?

No patch is currently available for CVE-2022-47941. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2022-47941 actively exploited?

No — CVE-2022-47941 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →