Kernel memory corruption via DSP mapping race
Published Apr 7, 2025 · Updated Feb 26, 2026
Use-after-free memory corruption in Qualcomm Snapdragon DSP Service allows local users to crash the kernel through crafted IOCTL calls. The adsprpc FASTRPC_ATTR_KEEP_MAP path omits an expected reference for FASTRPC_MAP_FD_NOMAP mappings, letting fastrpc_internal_munmap_fd race with an active context and free its fastrpc_mmap object. High-privilege access to the local adsprpc interface is required, and the demonstrated consequence is a kernel panic caused by the remaining reference to freed memory.
Summary
What happened
Use-after-free memory corruption in Qualcomm Snapdragon DSP Service allows local users to crash the kernel through crafted IOCTL calls. The adsprpc FASTRPC_ATTR_KEEP_MAP path omits an expected reference for FASTRPC_MAP_FD_NOMAP mappings, letting fastrpc_internal_munmap_fd race with an active context and free its fastrpc_mmap object. High-privilege access to the local adsprpc interface is required, and the demonstrated consequence is a kernel panic caused by the remaining reference to freed memory.
The record
- CVE
- CVE-2024-49848
- Published
- Apr 7, 2025
- Updated
- Feb 26, 2026
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-416, T1068
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Apr 7, 2025CVE publishedPublication date reported by the CVE source.
- Feb 26, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=AR8035
- Affected versionversion=FastConnect 6200
- Affected versionversion=FastConnect 6700
- Affected versionversion=FastConnect 6900
- Affected versionversion=FastConnect 7800
- Affected versionversion=QAM8255P
- Affected versionversion=QAM8295P
- Affected versionversion=QAM8620P
- Affected versionversion=QAM8650P
- Affected versionversion=QAM8775P
- Affected versionversion=QAMSRV1H
- Affected versionversion=QAMSRV1M
- Affected versionversion=QCA6174A
- Affected versionversion=QCA6391
- Affected versionversion=QCA6574
- Affected versionversion=QCA6574A
- Affected versionversion=QCA6574AU
- Affected versionversion=QCA6584AU
- Affected versionversion=QCA6595
- Affected versionversion=QCA6595AU
- Affected versionversion=QCA6678AQ
- Affected versionversion=QCA6688AQ
- Affected versionversion=QCA6696
- Affected versionversion=QCA6698AQ
- Affected versionversion=QCA6797AQ
- Affected versionversion=QCA8081
- Affected versionversion=QCA8337
- Affected versionversion=QCC710
- Affected versionversion=QCM4325
- Affected versionversion=QCM4490
- Affected versionversion=QCM6125
- Affected versionversion=QCM8550
- Affected versionversion=QCN6224
- Affected versionversion=QCN6274
- Affected versionversion=QCN9011
- Affected versionversion=QCN9012
- Affected versionversion=QCS4490
- Affected versionversion=QCS6125
- 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=QEP8111
- Affected versionversion=QFW7114
- Affected versionversion=QFW7124
- Affected versionversion=QMP1000
- Affected versionversion=QRU1032
- Affected versionversion=QRU1052
- Affected versionversion=QRU1062
- Affected versionversion=Qualcomm Video Collaboration VC1 Platform
- Affected versionversion=Qualcomm Video Collaboration VC5 Platform
- Affected versionversion=SA6155P
- Affected versionversion=SA7255P
- Affected versionversion=SA7775P
- Affected versionversion=SA8155P
- Affected versionversion=SA8195P
- Affected versionversion=SA8255P
- Affected versionversion=SA8295P
- Affected versionversion=SA8620P
- Affected versionversion=SA8650P
- Affected versionversion=SA8770P
- Affected versionversion=SA8775P
- Affected versionversion=SA9000P
- Affected versionversion=SD 8 Gen1 5G
- Affected versionversion=SG4150P
- Affected versionversion=SG8275P
- Affected versionversion=SM4635
- Affected versionversion=SM6650
- Affected versionversion=SM7635
- Affected versionversion=SM7675
- Affected versionversion=SM7675P
- Affected versionversion=SM8550P
- Affected versionversion=SM8635
- Affected versionversion=SM8635P
- Affected versionversion=SM8650Q
- Affected versionversion=SM8735
- Affected versionversion=SM8750
- Affected versionversion=SM8750P
- Affected versionversion=Snapdragon 460 Mobile Platform
- 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 4 Gen 2 Mobile Platform
- Affected versionversion=Snapdragon 662 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 1 Mobile Platform
- Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
- Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
- Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
- Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
- Affected versionversion=Snapdragon AR1 Gen 1 Platform
- Affected versionversion=Snapdragon AR1 Gen 1 Platform "Luna1"
- Affected versionversion=Snapdragon AR2 Gen 1 Platform
- Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
- Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
- Affected versionversion=Snapdragon X35 5G Modem-RF System
- Affected versionversion=Snapdragon X72 5G Modem-RF System
- Affected versionversion=Snapdragon X75 5G Modem-RF System
- Affected versionversion=SRV1H
- Affected versionversion=SRV1L
- Affected versionversion=SRV1M
- Affected versionversion=SSG2115P
- Affected versionversion=SSG2125P
- Affected versionversion=SW5100
- Affected versionversion=SW5100P
- Affected versionversion=SXR1230P
- Affected versionversion=SXR2230P
- Affected versionversion=SXR2250P
- Affected versionversion=TalynPlus
- Affected versionversion=Vision Intelligence 400 Platform
- Affected versionversion=WCD9335
- Affected versionversion=WCD9340
- Affected versionversion=WCD9341
- Affected versionversion=WCD9370
- Affected versionversion=WCD9375
- Affected versionversion=WCD9378
- Affected versionversion=WCD9380
- Affected versionversion=WCD9385
- Affected versionversion=WCD9390
- Affected versionversion=WCD9395
- Affected versionversion=WCN3950
- Affected versionversion=WCN3980
- Affected versionversion=WCN3988
- Affected versionversion=WCN3990
- Affected versionversion=WCN6450
- Affected versionversion=WCN6650
- Affected versionversion=WCN6755
- Affected versionversion=WCN7750
- Affected versionversion=WCN7860
- Affected versionversion=WCN7861
- Affected versionversion=WCN7880
- Affected versionversion=WCN7881
- Affected versionversion=WSA8810
- Affected versionversion=WSA8815
- Affected versionversion=WSA8830
- Affected versionversion=WSA8832
- 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.
Public exploit references
- Project Zero CVE-2024-49848 kernel-crash reproducerproof of concept · demonstrated
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Technologies
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