CVE-2024-46742
smb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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().
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 18, 2024 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
0626e6641f6b467447c81dd7678a69c66f7746cf < 878f32878351104448b86ef5b85d1f8ed6f599fb 0626e6641f6b467447c81dd7678a69c66f7746cf < ec28c35029b7930f31117f9284874b63bea4f31b 0626e6641f6b467447c81dd7678a69c66f7746cf < 07f384c5be1f8633b13f0a22616e227570450bc6 0626e6641f6b467447c81dd7678a69c66f7746cf < 3b692794b81f2ecad69a4adbba687f3836824ada 0626e6641f6b467447c81dd7678a69c66f7746cf < 4e8771a3666c8f216eefd6bd2fd50121c6c437db
Linux / Linux
5.15
References
git.kernel.org: https://git.kernel.org/stable/c/878f32878351104448b86ef5b85d1f8ed6f599fb git.kernel.org: https://git.kernel.org/stable/c/ec28c35029b7930f31117f9284874b63bea4f31b git.kernel.org: https://git.kernel.org/stable/c/07f384c5be1f8633b13f0a22616e227570450bc6 git.kernel.org: https://git.kernel.org/stable/c/3b692794b81f2ecad69a4adbba687f3836824ada git.kernel.org: https://git.kernel.org/stable/c/4e8771a3666c8f216eefd6bd2fd50121c6c437db lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html