CVE-2024-50065: ntfs3: Change to non-blocking allocation in ntfs_d_hash
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: ntfs3: Change to non-blocking allocation in ntfs_d_hash d_hash is done while under "rcu-walk" and should not sleep. __get_name() allocates using GFP_KERNEL, having the possibility to sleep when under memory pressure. Change the allocation to GFP_NOWAIT.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel | >=6.6.44<6.6.57 | |
| Linux kernel | >=6.11<6.11.4 | |
| Linux kernel | =6.12-rc1 | |
| Linux kernel | =6.12-rc2 | |
| Linux Kernel | >=6.6.44<6.6.57 | |
| Linux Kernel | >=6.11<6.11.4 | |
| Linux Kernel | =6.12-rc1 | |
| Linux Kernel | =6.12-rc2 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.20-1 6.12.21-1 |
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Reference Links
- https://git.kernel.org/stable/c/c556e72cea2a1131ae418be017dd6fc76fffe2fb
- https://git.kernel.org/stable/c/d0c710372e238510db08ea01e7b8bd81ed995dd6
- https://git.kernel.org/stable/c/589996bf8c459deb5bbc9747d8f1c51658608103
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50065
- https://nvd.nist.gov/vuln/detail/CVE-2024-50065
- https://launchpad.net/bugs/cve/CVE-2024-50065
- https://security-tracker.debian.org/tracker/CVE-2024-50065
- https://ubuntu.com/security/CVE-2024-50065
- https://git.kernel.org/linus/589996bf8c459deb5bbc9747d8f1c51658608103
Frequently Asked Questions
What is the severity of CVE-2024-50065?
CVE-2024-50065 has a high severity rating due to the potential for denial of service caused by non-blocking allocation issues in the Linux kernel.
How do I fix CVE-2024-50065?
To fix CVE-2024-50065, update your Linux kernel to a version that is not affected, such as 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.128-1, 6.12.12-1, or 6.12.15-1.
Which Linux kernel versions are affected by CVE-2024-50065?
CVE-2024-50065 affects Linux kernel versions between 6.6.44 and 6.6.57, as well as versions 6.11.x and 6.12-rc1 and 6.12-rc2.
What is the impact of CVE-2024-50065?
The impact of CVE-2024-50065 includes the risk of memory pressure leading to unexpected system behavior or denial of service.
Is CVE-2024-50065 exploitable remotely?
CVE-2024-50065 is not known to be remotely exploitable; it primarily affects local operations on the affected systems.
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