CVE-2024-50284: ksmbd: Fix the missing xa_store error check
First published: Tue Nov 19 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix the missing xa_store error check xa_store() can fail, it return xa_err(-EINVAL) if the entry cannot be stored in an XArray, or xa_err(-ENOMEM) if memory allocation failed, so check error for xa_store() to fix it.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=5.15.145<5.16 | |
| Linux Kernel | >=6.1.71<6.1.117 | |
| Linux Kernel | >=6.3<6.6.61 | |
| Linux Kernel | >=6.7<6.11.8 | |
| 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 | |
| Linux Kernel | =6.12-rc6 | |
| 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/d8664ce789bd46290c59a00da6897252f92c237d
- https://git.kernel.org/stable/c/726c1568b9145fa13ee248df184b186c382a7ff8
- https://git.kernel.org/stable/c/c2a232c4f790f4bcd4d218904c56ac7a39a448f5
- https://git.kernel.org/stable/c/3abab905b14f4ba756d413f37f1fb02b708eee93
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50284
- https://nvd.nist.gov/vuln/detail/CVE-2024-50284
- https://launchpad.net/bugs/cve/CVE-2024-50284
- https://security-tracker.debian.org/tracker/CVE-2024-50284
- https://ubuntu.com/security/CVE-2024-50284
- https://git.kernel.org/linus/3abab905b14f4ba756d413f37f1fb02b708eee93
Frequently Asked Questions
What is the severity of CVE-2024-50284?
CVE-2024-50284 has not been assigned a specific severity rating yet, but it is critical to assess the impacted versions of the Linux kernel.
How do I fix CVE-2024-50284?
To fix CVE-2024-50284, you should upgrade to a patched version of the Linux kernel that addresses the vulnerability.
Which Linux kernel versions are affected by CVE-2024-50284?
CVE-2024-50284 affects Linux kernel versions between 5.15.145 and 5.16, as well as numerous specific versions up to 6.12-rc6.
Is there a workaround for CVE-2024-50284?
Currently, there is no documented workaround for CVE-2024-50284, so upgrading to a secure version is recommended.
What does CVE-2024-50284 involve?
CVE-2024-50284 involves a missing error check during the xa_store operation in the ksmbd component of the Linux kernel.
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