CVE-2026-93812
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix sd_ndr.data memory leak in ksmbd_vfs_set_sd_xattr
ndr_encode_v4_ntacl() allocates sd_ndr.data via kzalloc() at entry. If any subsequent ndr_write_*() call returns error during encoding, the allocated sd_ndr.data won't be freed and causes memory leak.
Move kfree(sd_ndr.data) into out label to ensure the buffer gets released on all success and error return paths.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 303fff2b8c77a85c62dbde3b27c24b084144c04c < 9b4dec75498fd0a1c9eaea680aef59c9519eb16f | affected |
| Linux | Linux | 303fff2b8c77a85c62dbde3b27c24b084144c04c < c521dd78e036b5e0cfd394dd2ff2218890dd9e41 | affected |
| Linux | Linux | 303fff2b8c77a85c62dbde3b27c24b084144c04c < d4d56b00c7df88cd5751e7415bdfabc9fdbc82a7 | affected |
| Linux | Linux | 5.15 | affected |
| Linux | Linux | 0 < 5.15 | unaffected |
| Linux | Linux | 6.12.111 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.53 <= 6.18.* | unaffected |
| Linux | Linux | 7.2 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/9b4dec75498fd0a1c9eaea680aef59c9519eb16f
- https://git.kernel.org/stable/c/c521dd78e036b5e0cfd394dd2ff2218890dd9e41
- https://git.kernel.org/stable/c/d4d56b00c7df88cd5751e7415bdfabc9fdbc82a7
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