CVE-2024-50259: netdevsim: Add trailing zero to terminate the string in nsim_nexthop_bucket_activity_write()
First published: Sat Nov 09 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: netdevsim: Add trailing zero to terminate the string in nsim_nexthop_bucket_activity_write() This was found by a static analyzer. We should not forget the trailing zero after copy_from_user() if we will further do some string operations, sscanf() in this case. Adding a trailing zero will ensure that the function performs properly.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=5.13<5.15.171 | |
| Linux Kernel | >=5.16<6.1.116 | |
| Linux Kernel | >=6.2<6.6.60 | |
| Linux Kernel | >=6.7<6.11.7 | |
| Linux Kernel | =6.12-rc1 | |
| Linux Kernel | =6.12-rc2 | |
| Linux Kernel | =6.12-rc3 | |
| Linux Kernel | =6.12-rc4 | |
| Linux Kernel | =6.12-rc5 | |
| 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/c2150f666c6fc301d5d1643ed0f92251f1a0ff0d
- https://git.kernel.org/stable/c/bcba86e03b3aac361ea671672cf48eed11f9011c
- https://git.kernel.org/stable/c/6a604877160fe5ab2e1985d5ce1ba6a61abe0693
- https://git.kernel.org/stable/c/27bd7a742e171362c9eb52ad5d1d71d3321f949f
- https://git.kernel.org/stable/c/4ce1f56a1eaced2523329bef800d004e30f2f76c
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50259
- https://nvd.nist.gov/vuln/detail/CVE-2024-50259
- https://launchpad.net/bugs/cve/CVE-2024-50259
- https://security-tracker.debian.org/tracker/CVE-2024-50259
- https://ubuntu.com/security/CVE-2024-50259
- https://git.kernel.org/linus/4ce1f56a1eaced2523329bef800d004e30f2f76c
Frequently Asked Questions
What is the severity of CVE-2024-50259?
The severity of CVE-2024-50259 is categorized as a medium vulnerability in the Linux kernel.
How do I fix CVE-2024-50259?
To fix CVE-2024-50259, update the Linux kernel to a version that includes the patch for this vulnerability.
What versions of the Linux kernel are affected by CVE-2024-50259?
CVE-2024-50259 affects multiple versions of the Linux kernel including 5.13 to 5.15.171, 5.16 to 6.1.116, and 6.2 to 6.6.60.
Is there a patch available for CVE-2024-50259?
Yes, a patch for CVE-2024-50259 is available in subsequent versions of the Linux kernel.
What impact does CVE-2024-50259 have on Linux systems?
CVE-2024-50259 could potentially allow an attacker to exploit the vulnerability in the Linux kernel, affecting system stability and security.
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