Memory corruption via DSP mapping IOCTL use-after-free
Published Jan 2, 2024 · Updated Oct 1, 2024
Use-after-free in Snapdragon DSP services allows local users to corrupt memory by issuing internal memory MAP and UNMAP IOCTLs. The DSP handler retains or reuses a reference after its backing memory has been freed while processing the paired mapping operations. A local user-space process needs no privileges or interaction to reach the affected IOCTL path; public sources do not state whether exploitation yields code execution or a crash.
Summary
What happened
Use-after-free in Snapdragon DSP services allows local users to corrupt memory by issuing internal memory MAP and UNMAP IOCTLs. The DSP handler retains or reuses a reference after its backing memory has been freed while processing the paired mapping operations. A local user-space process needs no privileges or interaction to reach the affected IOCTL path; public sources do not state whether exploitation yields code execution or a crash.
The record
- CVE
- CVE-2023-43514
- Published
- Jan 2, 2024
- Updated
- Oct 1, 2024
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-416
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 2, 2024CVE publishedPublication date reported by the CVE source.
- Oct 1, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=AR8035
- Affected versionversion=FastConnect 6200
- Affected versionversion=FastConnect 6700
- Affected versionversion=FastConnect 6900
- Affected versionversion=FastConnect 7800
- Affected versionversion=Flight RB5 5G Platform
- Affected versionversion=QAM8255P
- Affected versionversion=QAM8295P
- Affected versionversion=QAM8650P
- Affected versionversion=QAM8775P
- Affected versionversion=QCA6391
- Affected versionversion=QCA6574
- Affected versionversion=QCA6574A
- Affected versionversion=QCA6574AU
- Affected versionversion=QCA6595
- Affected versionversion=QCA6595AU
- Affected versionversion=QCA6696
- Affected versionversion=QCA6698AQ
- Affected versionversion=QCA6797AQ
- Affected versionversion=QCA8081
- Affected versionversion=QCA8337
- Affected versionversion=QCC710
- Affected versionversion=QCM4325
- Affected versionversion=QCM6490
- Affected versionversion=QCM8550
- Affected versionversion=QCN6224
- Affected versionversion=QCN6274
- Affected versionversion=QCS6490
- Affected versionversion=QCS7230
- Affected versionversion=QCS8250
- Affected versionversion=QCS8550
- Affected versionversion=QDU1000
- Affected versionversion=QDU1010
- Affected versionversion=QDU1110
- Affected versionversion=QDU1210
- Affected versionversion=QDX1010
- Affected versionversion=QDX1011
- Affected versionversion=QFW7114
- Affected versionversion=QFW7124
- Affected versionversion=QRB5165N
- Affected versionversion=QRU1032
- Affected versionversion=QRU1052
- Affected versionversion=QRU1062
- Affected versionversion=Qualcomm Video Collaboration VC3 Platform
- Affected versionversion=Qualcomm Video Collaboration VC5 Platform
- Affected versionversion=Robotics RB5 Platform
- Affected versionversion=SA6155P
- Affected versionversion=SA8155P
- Affected versionversion=SA8195P
- Affected versionversion=SA8255P
- Affected versionversion=SA8295P
- Affected versionversion=SG4150P
- Affected versionversion=SG8275P
- Affected versionversion=SM8550P
- Affected versionversion=Snapdragon 480 5G Mobile Platform
- Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
- Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
- Affected versionversion=Snapdragon 680 4G Mobile Platform
- Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
- Affected versionversion=Snapdragon 695 5G Mobile Platform
- Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
- Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
- Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
- Affected versionversion=Snapdragon X75 5G Modem-RF System
- Affected versionversion=SW5100
- Affected versionversion=SW5100P
- Affected versionversion=WCD9340
- Affected versionversion=WCD9370
- Affected versionversion=WCD9375
- Affected versionversion=WCD9380
- Affected versionversion=WCD9385
- Affected versionversion=WCD9390
- Affected versionversion=WCD9395
- Affected versionversion=WCN3950
- Affected versionversion=WCN3980
- Affected versionversion=WCN3988
- Affected versionversion=WSA8810
- Affected versionversion=WSA8815
- Affected versionversion=WSA8830
- Affected versionversion=WSA8835
- Affected versionversion=WSA8840
- Affected versionversion=WSA8845
- Affected versionversion=WSA8845H
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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