CVE-2024-11857
Realtek Bluetooth HCI Adaptor - Privilege Escalation
- State
- Published
- Severity
- 8.5 High
- Published
- Jun 2, 2025
- Updated
- Jun 2, 2025
- Reserved
- Nov 27, 2024
Description
Bluetooth HCI Adaptor from Realtek has a Link Following vulnerability. Local attackers with regular privileges can create a symbolic link with the same name as a specific file, causing the product to delete arbitrary files pointed to by the link. Subsequently, attackers can leverage arbitrary file deletion to privilege escalation.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.5 High | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | twcert |
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | twcert |
Weaknesses
- CWE-59 Improper Link Resolution Before File Access ('Link Following')
Affected Products
| Product | Versions |
|---|---|
Bluetooth HCI AdaptorRealtek |
|
References
- https://www.twcert.org.tw/tw/cp-132-10160-76012-1.htmlthird-party-advisory
- https://www.twcert.org.tw/en/cp-139-10161-fa1b5-2.htmlthird-party-advisory
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