Xen Linux Netfront null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Xen. It has been rated as problematic. This issue affects some unknown processing of the component Linux Netfront. The manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2024-53240. The attack may be initiated remotely. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Xen (version unknown) and classified as problematic. This issue affects an unknown function of the component Linux Netfront. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: fix crash when removing device When removing a netfront device directly after a suspend/resume cycle it might happen that the queues have not been setup again, causing a crash during the attempt to stop the queues another time. Fix that by checking the queues are existing before trying to stop them. This is XSA-465 / CVE-2024-53240.

It is possible to read the advisory at xenbits.xen.org. The identification of this vulnerability is CVE-2024-53240 since 11/19/2024. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 214250 (SUSE SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2025:0117-1)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at Tenable (214250). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.7
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 214250
Nessus Name: SUSE SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2025:0117-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/19/2024 🔍
12/17/2024 +28 days 🔍
12/17/2024 +0 days 🔍
10/08/2025 +295 days 🔍

Sourcesinfo

Advisory: xenbits.xen.org
Status: Confirmed

CVE: CVE-2024-53240 (🔍)
GCVE (CVE): GCVE-0-2024-53240
GCVE (VulDB): GCVE-100-288743

Entryinfo

Created: 12/17/2024 15:50
Updated: 10/08/2025 20:56
Changes: 12/17/2024 15:50 (51), 12/24/2024 11:57 (1), 12/24/2024 14:56 (1), 01/16/2025 15:59 (2), 10/08/2025 20:56 (10)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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