CVE-2023-4130
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix wrong next length validation of ea buffer in smb2_set_ea()
There are multiple smb2_ea_info buffers in FILE_FULL_EA_INFORMATION request from client. ksmbd find next smb2_ea_info using ->NextEntryOffset of current smb2_ea_info. ksmbd need to validate buffer length Before accessing the next ea. ksmbd should check buffer length using buf_len, not next variable. next is the start offset of current ea that got from previous ea.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < aeb974907642be095e38ecb1a400ca583958b2b0 | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < f339d76a3a972601d0738b881b099d49ebbdc3a2 | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < 4bf629262f9118ee91b1c3a518ebf2b3bcb22180 | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < 79ed288cef201f1f212dfb934bcaac75572fb8f6 | affected |
| Linux | Linux | 5.15 | affected |
| Linux | Linux | 0 < 5.15 | unaffected |
| Linux | Linux | 5.15.127 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.46 <= 6.1.* | unaffected |
| Linux | Linux | 6.4.11 <= 6.4.* | unaffected |
| Linux | Linux | 6.5 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/aeb974907642be095e38ecb1a400ca583958b2b0
- https://git.kernel.org/stable/c/f339d76a3a972601d0738b881b099d49ebbdc3a2
- https://git.kernel.org/stable/c/4bf629262f9118ee91b1c3a518ebf2b3bcb22180
- https://git.kernel.org/stable/c/79ed288cef201f1f212dfb934bcaac75572fb8f6
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