What is CVE-2023-45863?

CVE-2023-45863 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.4 out of 10, classified as a Out-of-bounds Write flaw (CWE-787). CVE-2023-45863 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-45863?

CVE-2023-45863 has a CVSS score of 6.4 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2023-45863?

No patch is currently available for CVE-2023-45863. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-45863 actively exploited?

CVE-2023-45863 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-2023-45863

Medium

An issue was discovered in lib/kobject.c in the Linux kernel before 6.2.3. With root access, an attacker can trigger a race condition that results in a fill_kobj_path out-of-bounds write.

Package Linux Kernel

Published 2023-10-14

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

6.4

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-787

CVE-2023-45863 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

References

The following references provide additional information about CVE-2023-45863 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3

Release Notes
Debian Security
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
Debian Security
https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3bb2a01caa813d3a1845d378bbe4169ef280d394
Patch

Details

CVE ID CVE-2023-45863

Severity Medium

CVSS score 6.4 / 10

CVSS version 3.1

Published 2023-10-14

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-45863?

CVE-2023-45863 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.4 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . CVE-2023-45863 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-45863?

CVE-2023-45863 has a CVSS score of 6.4 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2023-45863?

No patch is currently available for CVE-2023-45863. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-45863 actively exploited?

No — CVE-2023-45863 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (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. View CWE-787 on MITRE CWE →