Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for next_buffer in receive_encrypted_standard() Add check for the return value of cifs_buf_get() and cifs_small_buf_get() in receive_encrypted_standard() to prevent null pointer dereference.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.1.69, < 6.1.130 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/24e8e4523d3071bc5143b0db9127d511489f7b3bPatch
- https://git.kernel.org/stable/c/554736b583f529ee159aa95af9a0cbc12b5ffc96Patch
- https://git.kernel.org/stable/c/860ca5e50f73c2a1cef7eefc9d39d04e275417f7Patch
- https://git.kernel.org/stable/c/9e5d99a4cf2e23c716b44862975548415fae5391Patch
- https://git.kernel.org/stable/c/a9b0b4b29877cb4dc5d0842b59b5ccbacddb85bdPatch
- https://git.kernel.org/stable/c/f277e479eea3d1aa18bc712abe1d2bf3dece2e30Patch
- https://git.kernel.org/stable/c/f618aeb6cad2307e48a641379db610abcf593edfPatch
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
FAQ
What is CVE-2025-21844?
CVE-2025-21844 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for next_buffer in receive_encrypted_standard() Add check for the return value of cifs_buf_get() and cifs_s...
How severe is CVE-2025-21844?
CVE-2025-21844 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-21844?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.