What is CVE-2023-3090?

CVE-2023-3090 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Out-of-bounds Write flaw (CWE-787), affecting Linux kernel versions from 3.19 onward and patched in 6.4. CVE-2023-3090 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-3090?

CVE-2023-3090 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-2023-3090?

Yes, CVE-2023-3090 has been patched. Fixed versions include 6.4. If you are running Linux kernel 3.19 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-3090 actively exploited?

CVE-2023-3090 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2023-3090

High

A heap out-of-bounds write vulnerability in the Linux Kernel ipvlan network driver can be exploited to achieve local privilege escalation. The out-of-bounds write is caused by missing skb->cb initialization in the ipvlan network driver. The vulnerability is reachable if CONFIG_IPVLAN is enabled. We recommend upgrading past commit 90cbed5247439a966b645b34eb0a2e037836ea8e.

Package Linux Kernel

Published 2023-06-28

Last modified 2025-02-13

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-787

CVE-2023-3090 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

Affected versions

Linux kernel versions 3.19 and later are affected. Fixed in 6.4 and their respective stable series.

Affected from

≥ 3.19

Fixed in

✓ 6.4 6.4.x

References

9 total

Kernel Git
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=90cbed5247439a966b645b34eb0a2e037836ea8e

Exploit Mailing List Patch
Kernel
https://kernel.dance/90cbed5247439a966b645b34eb0a2e037836ea8e

Patch
Packet Storm
http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html

Third Party Advisory VDB Entry
Packet Storm
http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html

Third Party Advisory VDB Entry
Debian Security
https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html

Mailing List

Showing 5 of 9 references View all on NVD

Details

CVE ID CVE-2023-3090

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2023-06-28

Modified 2025-02-13

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-3090?

CVE-2023-3090 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . It affects Linux kernel versions from 3.19 onward and has been patched in 6.4. CVE-2023-3090 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-3090?

CVE-2023-3090 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-2023-3090?

Yes. CVE-2023-3090 has been patched. Fixed versions include 6.4. If you are running Linux kernel 3.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-3090 actively exploited?

No. CVE-2023-3090 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.