VULNERABILITY INTELLIGENCE
CVE-2026-31609
CVSS score9.8 CRITICAL
EPSS probability0.46%
CISA KEVNot currently listed
Published2026-04-24
Last modified2026-10-19
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush() smbd_send_batch_flush() already calls smbd_free_send_io(), so we should not call it again after smbd_post_send() moved it to the batch list.
Weakness classification
- nvd@nist.gov: CWE-415
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-415