Linux Kernel up to 6.10.13/6.11.2 ncsi use after free

Summaryinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.10.13/6.11.2. Affected by this vulnerability is an unknown functionality of the component ncsi. Executing a manipulation can lead to use after free. This vulnerability appears as CVE-2024-49945. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.10.13/6.11.2. It has been declared as critical. This vulnerability affects some unknown functionality of the component ncsi. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: net/ncsi: Disable the ncsi work before freeing the associated structure The work function can run after the ncsi device is freed, resulting in use-after-free bugs or kernel panic.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2024-49945 since 10/21/2024. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/18/2026).

The vulnerability scanner Nessus provides a plugin with the ID 212537 (SUSE SLES15 Security Update : kernel (SUSE-SU-2024:4131-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.10.14 or 6.11.3 eliminates this vulnerability. Applying the patch f6ca58696749/dd41dab62f32/a0ffa68c70b3 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (212537) and CERT Bund (WID-SEC-2024-3251). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• Google Container-Optimized OS
• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• NetApp StorageGRID
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• Kyocera Printer
• NetApp AFF
• NetApp ActiveIQ Unified Manager
• SUSE openSUSE
• IBM Security Guardium
• RESF Rocky Linux
• Dell NetWorker
• Dell Avamar
• IBM QRadar SIEM
• NetApp FAS
• SolarWinds Security Event Manager
• Dell PowerProtect Data Domain
• Open Source Linux Kernel
• Dell PowerScale OneFS

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.10.0
• 6.10.1
• 6.10.2
• 6.10.3
• 6.10.4
• 6.10.5
• 6.10.6
• 6.10.7
• 6.10.8
• 6.10.9
• 6.10.10
• 6.10.11
• 6.10.12
• 6.10.13
• 6.11.0
• 6.11.1
• 6.11.2

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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