7.8

CVE-2023-43515: Buffer copy without checking size of input (Classic buffer overflow) in HLOS

Analyzed
Published 01-04-2024Last modified 02-08-2024

Vulnerability summary

CVE-2023-43515 is a high (CVSS 7.8) Classic Buffer Overflow vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.11%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 01-04-2024
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

Memory corruption in HLOS while running kernel address sanitizers (syzkaller) on tmecom with DEBUG_FS enabled.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.11%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.11% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qualcomm6 products
Qualcomm, inc.1 product
  • snapdragonFastConnect 6900 | FastConnect 7800 | Snapdragon 8 Gen 1 Mobile Platform | WCD9380 | WSA8830 | WSA8835

2 vendors · 7 products

References

1 links