What is CVE-2024-26677?

CVE-2024-26677 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2024-26677 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-26677?

CVE-2024-26677 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2024-26677?

No patch is currently available for CVE-2024-26677. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2024-26677 actively exploited?

CVE-2024-26677 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2024-26677

Medium

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix delayed ACKs to not set the reference serial number Fix the construction of delayed ACKs to not set the reference serial number as they can't be used as an RTT reference.

Package Linux Kernel

Published 2024-04-02

Last modified 2025-03-17

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-476

CVE-2024-26677 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2024-26677 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/200cb50b9e154434470c8969d32474d38475acc2
Patch
Kernel patch commit
https://git.kernel.org/stable/c/63719f490e6a89896e9a463d2b45e8203eab23ae
Patch
Kernel patch commit
https://git.kernel.org/stable/c/e7870cf13d20f56bfc19f9c3e89707c69cf104ef
Patch

Details

CVE ID CVE-2024-26677

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-04-02

Modified 2025-03-17

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2024-26677?

CVE-2024-26677 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2024-26677 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-26677?

CVE-2024-26677 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2024-26677?

No patch is currently available for CVE-2024-26677. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2024-26677 actively exploited?

No — CVE-2024-26677 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →