Linux Kernel up to 7.2.12 ntfs ntfs_new_attr_flags behavioral workflow

Summaryinfo

A vulnerability categorized as very critical has been discovered in Linux Kernel up to 7.2.12. Affected is the function ntfs_new_attr_flags of the component ntfs. The manipulation results in behavioral workflow. This vulnerability is reported as CVE-2026-99260. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 7.2.12. It has been classified as very critical. Affected is the function ntfs_new_attr_flags of the component ntfs. The manipulation with an unknown input leads to a behavioral workflow vulnerability. CWE is classifying the issue as CWE-841. The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor performs the behaviors in the required sequence. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix resident conversion in ntfs_new_attr_flags When setting sparse/compressed flags on a resident attribute, the function skipped the resident-to-non-resident conversion and terminated.

The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2026-99260 since 09/25/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 11/03/2026).

Upgrading to version 7.2.13 eliminates this vulnerability. Applying the patch c5434e86d6c5324990017ea043bc821d115132c8/7ed0028126b5a19f278183abbae2b3166d3ca9ac is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 7.2.0
• 7.2.1
• 7.2.2
• 7.2.3
• 7.2.4
• 7.2.5
• 7.2.6
• 7.2.7
• 7.2.8
• 7.2.9
• 7.2.10
• 7.2.11
• 7.2.12

License

• open-source

Website

• Vendor: https://www.kernel.org/

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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