CVE-2023-43515
Buffer copy without checking size of input (Classic buffer overflow) in HLOS
Memory corruption in HLOS while running kernel address sanitizers (syzkaller) on tmecom with DEBUG_FS enabled.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Buffer copy without checking size of input (Classic buffer overflow) in HLOS
Memory corruption in HLOS while running kernel address sanitizers (syzkaller) on tmecom with DEBUG_FS enabled.
- Record
CVE-2023-43515- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2023-47921
Memory corruption in HLOS while running kernel address sanitizers (syzkaller) on tmecom with DEBUG_FS enabled.
- Record
EUVD-2023-47921- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c5hm-fh4g-ggw7
Memory corruption in HLOS while running kernel address sanitizers (syzkaller) on tmecom with...
Memory corruption in HLOS while running kernel address sanitizers (syzkaller) on tmecom with DEBUG_FS enabled.
- Record
GHSA-c5hm-fh4g-ggw7- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
Memory corruption in HLOS while running kernel address sanitizers (syzkaller) on tmecom with DEBUG_FS enabled.
- Record
CVE-2023-43515- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:unknown:Android |
SoCVersion:0 up to SoCVersion:2024-04-05, plus listed versions SoCVersion |
SoCVersion:2024-04-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-43515 is a medium vulnerability (CVSS 6.6) in Qualcomm Fastconnect 6900 Firmware, published April 1, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. Fixed in :unknown: SoCVersion:2024-04-05.