CVE-2024-44944 - Missing Release of Memory after Effective Lifetime

Severity

55%

Complexity

18%

Confidentiality

60%

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: use helper function to calculate expect ID Delete expectation path is missing a call to the nf_expect_get_id() helper function to calculate the expectation ID, otherwise LSB of the expectation object address is leaked to userspace.

CVSS 3.1 Base Score 5.5. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Demo Examples

Missing Release of Memory after Effective Lifetime

CWE-401

The following C function leaks a block of allocated memory if the call to read() does not return the expected number of bytes:


               
}
return buf;
return NULL;
return NULL;

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