vulnerability
Red Hat: CVE-2024-35962: kernel: netfilter: complete validation of user input (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | May 20, 2024 | Sep 13, 2024 | Mar 18, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
May 20, 2024
Added
Sep 13, 2024
Modified
Mar 18, 2025
Description
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 return -EINVAL;
Solution(s)
redhat-upgrade-kernelredhat-upgrade-kernel-rt
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