CVE-2025-5644— Radare2 radiff2 cons.c r_cons_flush use after free
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I. Basic Information for CVE-2025-5644
Vulnerability Information
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Vulnerability Title
Radare2 radiff2 cons.c r_cons_flush use after free
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability, which was classified as problematic, has been found in Radare2 5.9.9. Affected by this issue is the function r_cons_flush in the library /libr/cons/cons.c of the component radiff2. The manipulation of the argument -T leads to use after free. Local access is required to approach this attack. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The name of the patch is 5705d99cc1f23f36f9a84aab26d1724010b97798. It is recommended to apply a patch to fix this issue. The documentation explains that the parameter -T is experimental and "crashy". Further analysis has shown "the race is not a real problem unless you use asan". A new warning has been added.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Radare2 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Radare2是Radare开源的一个面向 Unix 极客的 Libre 反向框架。 Radare2 5.9.9版本存在资源管理错误漏洞，该漏洞源于组件radiff2中函数r_cons_flush对参数-T操作不当，可能导致释放后重用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Radare2 | 5.9.9 | - |
II. Public POCs for CVE-2025-5644
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2025-06-05 · 10 CVEs total
| CVE-2025-5640 | 3.3 LOW | PX4-Autopilot TRAJECTORY_REPRESENTATION_WAYPOINTS Message mavlink_receiver.cpp stack-based |
| CVE-2025-5648 | 2.5 LOW | Radare2 radiff2 pal.c r_cons_pal_init memory corruption |
| CVE-2025-5647 | 2.5 LOW | Radare2 radiff2 cons.c r_cons_context_break_pop memory corruption |
| CVE-2025-5646 | 2.5 LOW | Radare2 radiff2 pal.c r_cons_rainbow_free memory corruption |
| CVE-2025-5645 | 2.5 LOW | Radare2 radiff2 pal.c r_cons_pal_init memory corruption |
| CVE-2025-5643 | 2.5 LOW | Radare2 radiff2 cons.c cons_stack_load memory corruption |
| CVE-2025-5642 | 2.5 LOW | Radare2 radiff2 pal.c r_cons_pal_init memory corruption |
| CVE-2025-5641 | 2.5 LOW | Radare2 radiff2 cons.c r_cons_is_breaked memory corruption |
| CVE-2025-47827 | IGEL OS 安全漏洞 |
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V. Comments for CVE-2025-5644
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