CVE-2023-52917: ntb: intel: Fix the NULL vs IS_ERR() bug for debugfs_create_dir()
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: ntb: intel: Fix the NULL vs IS_ERR() bug for debugfs_create_dir() The debugfs_create_dir() function returns error pointers. It never returns NULL. So use IS_ERR() to check it.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.2<5.10.227 | |
| Linux Kernel | >=5.11<5.15.168 | |
| Linux Kernel | >=5.16<6.1.113 | |
| Linux Kernel | >=6.2<6.6.54 | |
| Linux Kernel | >=6.7<6.10.13 | |
| Linux Kernel | >=6.11<6.11.2 | |
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
| debian/linux-6.1 | 6.1.119-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/16e5bed6c1883b19f9fcbdff996aa3381954d5f3
- https://git.kernel.org/stable/c/20cbc281033ef5324f67f2d54bc539968f937255
- https://git.kernel.org/stable/c/4b2fbba4e44630a59b09d32627b63c4ffdf70f78
- https://git.kernel.org/stable/c/7cbd6d7fb9ba2be03978809c848e2e50eaeead2c
- https://git.kernel.org/stable/c/a429158f2e0a7a03eb67fd5e204e1f6735c725aa
- https://git.kernel.org/stable/c/b66bf833e72a1e23d7ccafc0f8f74e80f8c357b5
- https://git.kernel.org/stable/c/babba8595d1e5d57313a6187f3e51aceacc6881a
- https://git.kernel.org/stable/c/e229897d373a87ee09ec5cc4ecd4bb2f895fc16b
- https://git.kernel.org/stable/c/ef7e34237e2612b116a84c9640628a6f7a0d693e
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52917
- https://nvd.nist.gov/vuln/detail/CVE-2023-52917
- https://launchpad.net/bugs/cve/CVE-2023-52917
- https://security-tracker.debian.org/tracker/CVE-2023-52917
- https://ubuntu.com/security/CVE-2023-52917
- https://git.kernel.org/linus/e229897d373a87ee09ec5cc4ecd4bb2f895fc16b
Frequently Asked Questions
What is the severity of CVE-2023-52917?
CVE-2023-52917 has been assigned a moderate severity level due to its potential impact on kernel stability.
How do I fix CVE-2023-52917?
To fix CVE-2023-52917, update your Linux kernel to the latest version that addresses this vulnerability.
What versions of the Linux kernel are affected by CVE-2023-52917?
CVE-2023-52917 affects various versions of the Linux kernel between 4.2 and 6.11.2.
Is CVE-2023-52917 a remote vulnerability?
CVE-2023-52917 is not classified as a remote vulnerability as it requires local access to exploit.
What is the nature of the bug in CVE-2023-52917?
CVE-2023-52917 involves a bug with the debugfs_create_dir() function which may lead to incorrect error handling.
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