Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list() smb_direct_flush_send_list() already calls smb_direct_free_sendmsg(), so we should not call it again after post_sendmsg() moved it to the batch list.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 6.18.24 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/2ba03f46132b0d1a7bafb86e1ef61951a2254023Patch
- https://git.kernel.org/stable/c/6968c91fab05b8fc4d6700e0cf34472bb422df25Patch
- https://git.kernel.org/stable/c/830de6eeb9db4cb7e758201fb99328ef4ca4b032Patch
- https://git.kernel.org/stable/c/84ff995ae826aa6bbcc6c7b9ea569ff67c021d72Patch
FAQ
What is CVE-2026-31608?
CVE-2026-31608 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list() smb_direct_flush_send_list() already ...
How severe is CVE-2026-31608?
CVE-2026-31608 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-31608?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.