CVE-2024-50172 - Missing Release of Memory after Effective Lifetime

Severity

55%

Complexity

18%

Confidentiality

60%

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Fix a possible memory leak In bnxt_re_setup_chip_ctx() when bnxt_qplib_map_db_bar() fails driver is not freeing the memory allocated for "rdev->chip_ctx".

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;

Overview

First reported 3 months ago

2024-11-07 10:15:00

Last updated 3 months ago

2024-11-13 15:55:00

Affected Software

Linux Kernel

References

https://git.kernel.org/stable/c/73e04a6114e08b5eb10e589e12b680955accb376

https://git.kernel.org/stable/c/595fa9b17201028d35f92d450fc0ecda873fe469

https://git.kernel.org/stable/c/3fc5410f225d1651580a4aeb7c72f55e28673b53

https://git.kernel.org/stable/c/73e04a6114e08b5eb10e589e12b680955accb376

Patch

https://git.kernel.org/stable/c/595fa9b17201028d35f92d450fc0ecda873fe469

Patch

https://git.kernel.org/stable/c/3fc5410f225d1651580a4aeb7c72f55e28673b53

Patch

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