In the Linux kernel, the following vulnerability has been resolved:
tracing: Fix potential double free in create_var_ref()
In create_var_ref(), init_var_ref() is called to initialize the fields
of variable ref_field, which is allocated in the previous function call
to create_hist_field(). Function init_var_ref() allocates the
corresponding fields such as ref_field->system, but frees these fields
when the function encounters an error. The caller later calls
destroy_hist_field() to conduct error handling, which frees the fields
and the variable itself. This results in double free of the fields which
are already freed in the previous function.
Fix this by storing NULL to the corresponding fields when they are freed
in init_var_ref().
References
Configurations
Configuration 1 (hide)
|
History
17 Apr 2025, 20:31
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://git.kernel.org/stable/c/c27f744ceefadc7bbeb14233b6abc150ced617d2 - Patch | |
| References | () https://git.kernel.org/stable/c/bd83ff3bbfb003832481c9bff999d12385f396ae - Patch | |
| References | () https://git.kernel.org/stable/c/4fdfb15e08598711dbf50daf56a33965232daf0e - Patch | |
| References | () https://git.kernel.org/stable/c/99696a2592bca641eb88cc9a80c90e591afebd0f - Patch | |
| References | () https://git.kernel.org/stable/c/37443b3508b8cce6832f8d25cb4550b2f7801f50 - Patch | |
| References | () https://git.kernel.org/stable/c/f8b383f83cb573152c577eca1ef101e89995b72a - Patch | |
| References | () https://git.kernel.org/stable/c/058cb6d86b9789377216c936506b346aaa1eb581 - Patch | |
| CPE | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.8 |
| CWE | CWE-415 | |
| First Time |
Linux linux Kernel
Linux |
26 Feb 2025, 07:01
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-02-26 07:01
Updated : 2025-04-17 20:31
NVD link : CVE-2022-49410
Mitre link : CVE-2022-49410
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-415
Double Free