| CVE-2024-35962 | Date: (C)2024-05-20 (M)2024-05-23 |
In the Linux kernel, the following vulnerability has been resolved:
netfilter: complete validation of user input
In my recent commit, I missed that do_replace() handlers
use copy_from_sockptr() (which I fixed), followed
by unsafe copy_from_sockptr_offset() calls.
In all functions, we can perform the @optlen validation
before even calling xt_alloc_table_info() with the following
check:
if ((u64)optlen < (u64)tmp.size + sizeof(tmp))
return -EINVAL;
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V3 Severity: | CVSS V2 Severity: |
| CVSS Score : 5.5 | CVSS Score : |
| Exploit Score: | Exploit Score: |
| Impact Score: | Impact Score: |
| |
| CVSS V3 Metrics: | CVSS V2 Metrics: |
| Attack Vector: | Access Vector: |
| Attack Complexity: | Access Complexity: |
| Privileges Required: | Authentication: |
| User Interaction: | Confidentiality: |
| Scope: | Integrity: |
| Confidentiality: | Availability: |
| Integrity: | |
| Availability: | |
| | |
