CVE-2024-56627: ksmbd: fix Out-of-Bounds Read in ksmbd_vfs_stream_read
First published: Fri Dec 27 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix Out-of-Bounds Read in ksmbd_vfs_stream_read An offset from client could be a negative value, It could lead to an out-of-bounds read from the stream_buf. Note that this issue is coming when setting 'vfs objects = streams_xattr parameter' in ksmbd.conf.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=5.15<5.15.176 | |
| Linux Kernel | >=5.16<6.1.120 | |
| Linux Kernel | >=6.2<6.6.66 | |
| Linux Kernel | >=6.7<6.12.5 | |
| Linux Kernel | =6.13-rc1 |
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Reference Links
- https://git.kernel.org/stable/c/de4d790dcf53be41736239d7ee63849a16ff5d10
- https://git.kernel.org/stable/c/27de4295522e9a33e4a3fc72f7b8193df9eebe41
- https://git.kernel.org/stable/c/81eed631935f2c52cdaf6691c6d48e0b06e8ad73
- https://git.kernel.org/stable/c/fc342cf86e2dc4d2edb0fc2ff5e28b6c7845adb9
- https://git.kernel.org/stable/c/6bd1bf0e8c42f10a9a9679a4c103a9032d30594d
Frequently Asked Questions
What is the severity of CVE-2024-56627?
CVE-2024-56627 has a medium severity rating due to the potential for an out-of-bounds read in the Linux kernel.
How do I fix CVE-2024-56627?
To fix CVE-2024-56627, you should update your Linux kernel to a version that has addressed the vulnerability.
What versions of the Linux kernel are affected by CVE-2024-56627?
CVE-2024-56627 affects multiple versions of the Linux kernel, specifically from 5.15 to 6.12.5, including certain ranges.
Can CVE-2024-56627 be exploited remotely?
Yes, CVE-2024-56627 could potentially be exploited remotely if an attacker sends a negative offset from a client.
Is there a workaround for CVE-2024-56627?
Currently, the best approach for CVE-2024-56627 is to apply the security updates rather than relying on a workaround.
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