What is CVE-2022-2991?

CVE-2022-2991 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.7 out of 10. CVE-2022-2991 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-2991?

CVE-2022-2991 has a CVSS score of 6.7 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2022-2991?

No patch is currently available for CVE-2022-2991. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2022-2991 actively exploited?

CVE-2022-2991 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-2991

Medium

A heap-based buffer overflow was found in the Linux kernel's LightNVM subsystem. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. This vulnerability allows a local attacker to escalate privileges and execute arbitrary code in the context of the kernel. The attacker must first obtain the ability to execute high-privileged code on the target system to exploit this vulnerability.

Package Linux Kernel

Published 2022-08-25

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

6.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-122

CVE-2022-2991 is classified as CWE-122

See CWE-122 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2022-2991 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Zerodayinitiative
https://www.zerodayinitiative.com/advisories/ZDI-22-960/

Third Party Advisory VDB Entry
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/drivers/lightnvm/Kconfig?h=v5.10.114&id=549209caabc89f2877ad5f62d11fca5c052e0e8
Patch

Details

CVE ID CVE-2022-2991

Severity Medium

CVSS score 6.7 / 10

CVSS version 3.1

Published 2022-08-25

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2022-2991?

CVE-2022-2991 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.7 out of 10 . CVE-2022-2991 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-2991?

CVE-2022-2991 has a CVSS score of 6.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2022-2991?

No patch is currently available for CVE-2022-2991. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2022-2991 actively exploited?

No — CVE-2022-2991 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.