THREATOPS

THREAT OPS › Threat News › [NVD] CVE-2026-64385 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_ioctl() replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_ioctl_init() fails before the next send, cleanup retains the pr

[NVD] CVE-2026-64385 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_ioctl() replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_ioctl_init() fails before the next send, cleanup retains the pr

lownvdPublished 2026-07-25

CVE-2026-64385 CVSS: 9.8 CRITICAL Published: 2026-07-25T10:17:21.810

In the Linux kernel, the following vulnerability has been resolved:

smb: client: fix double-free in SMB2_ioctl() replay

A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_ioctl_init() fails before the next send, cleanup retains the previous buffer type and frees that response again.

Indicators of compromise

CVE-2026-64385cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-64385