- Vulnerability/
- CVE-2024-26954
CVE-2024-26954: ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16()
First published: Wed May 01 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16() If ->NameOffset of smb2_create_req is smaller than Buffer offset of smb2_create_req, slab-out-of-bounds read can happen from smb2_open. This patch set the minimum value of the name offset to the buffer offset to validate name length of smb2_create_req().
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.11-1 6.12.12-1 | |
| debian/linux-6.1 | 6.1.119-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/3b8da67191e938a63d2736dabb4ac5d337e5de57
- https://git.kernel.org/stable/c/4f97e6a9d62cb1fce82fbf4baff44b83221bc178
- https://git.kernel.org/stable/c/a80a486d72e20bd12c335bcd38b6e6f19356b0aa
- https://launchpad.net/bugs/cve/CVE-2024-26954
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26954
- https://nvd.nist.gov/vuln/detail/CVE-2024-26954
- https://security-tracker.debian.org/tracker/CVE-2024-26954
- https://ubuntu.com/security/CVE-2024-26954
- https://git.kernel.org/stable/c/d70c2e0904ab3715c5673fd45788a464a246d1db
- https://git.kernel.org/linus/a80a486d72e20bd12c335bcd38b6e6f19356b0aa
Frequently Asked Questions
What is the severity of CVE-2024-26954?
CVE-2024-26954 is classified as a medium severity vulnerability due to the potential for slab-out-of-bounds reads.
How do I fix CVE-2024-26954?
To mitigate CVE-2024-26954, you should update your Linux kernel to a patched version such as 5.10.223-1, 5.10.226-1, 6.1.123-1, or any affected version that has been remediated.
What systems are affected by CVE-2024-26954?
The systems affected by CVE-2024-26954 include specific versions of the Debian Linux kernel packages.
What impact does CVE-2024-26954 have on systems?
CVE-2024-26954 can lead to potential exploitation through slab-out-of-bounds reads, which may result in unauthorized access to memory.
Is there a patch available for CVE-2024-26954?
Yes, there are patches available that have been integrated into newer versions of the Linux kernel to address CVE-2024-26954.
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