CVE-2024-46742

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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

smb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open()

null-ptr-deref will occur when (req_op_level == SMB2_OPLOCK_LEVEL_LEASE) and parse_lease_state() return NULL.

Fix this by check if 'lease_ctx_info' is NULL.

Additionally, remove the redundant parentheses in parse_durable_handle_context().

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

VendorProductVersions
LinuxLinux>= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 878f32878351104448b86ef5b85d1f8ed6f599fb; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < ec28c35029b7930f31117f9284874b63bea4f31b; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 07f384c5be1f8633b13f0a22616e227570450bc6; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 3b692794b81f2ecad69a4adbba687f3836824ada; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 4e8771a3666c8f216eefd6bd2fd50121c6c437db
LinuxLinux5.15

References

Timeline

Published
Sep 18, 2024
Last modified
Jun 17, 2026
NVD status
Modified

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