Kernel memory corruption via unchecked memextent rights update
Published Jan 6, 2023 · Updated Apr 9, 2025
Kernel memory corruption in Qualcomm Snapdragon platforms allows local users with high privileges to alter protected memory mappings. The kernel's memextent access-rights update path fails to perform required checks before changing a mapping, allowing memory corruption. Exploitation requires local high-privilege access; Qualcomm has not published whether corruption yields code execution, a crash, or another concrete outcome.
Summary
What happened
Kernel memory corruption in Qualcomm Snapdragon platforms allows local users with high privileges to alter protected memory mappings. The kernel's memextent access-rights update path fails to perform required checks before changing a mapping, allowing memory corruption. Exploitation requires local high-privilege access; Qualcomm has not published whether corruption yields code execution, a crash, or another concrete outcome.
The record
- CVE
- CVE-2022-25746
- Published
- Jan 6, 2023
- Updated
- Apr 9, 2025
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-120
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Jan 6, 2023CVE publishedPublication date reported by the CVE source.
- Apr 9, 2025Record 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=AQT1000
- Affected versionversion=AR8035
- Affected versionversion=QAM8295P
- Affected versionversion=QCA6174A
- Affected versionversion=QCA6310
- Affected versionversion=QCA6335
- Affected versionversion=QCA6390
- Affected versionversion=QCA6391
- Affected versionversion=QCA6420
- Affected versionversion=QCA6421
- Affected versionversion=QCA6426
- Affected versionversion=QCA6430
- Affected versionversion=QCA6431
- Affected versionversion=QCA6436
- Affected versionversion=QCA6564A
- Affected versionversion=QCA6564AU
- Affected versionversion=QCA6574
- Affected versionversion=QCA6574A
- Affected versionversion=QCA6574AU
- Affected versionversion=QCA6595
- Affected versionversion=QCA6595AU
- Affected versionversion=QCA6696
- Affected versionversion=QCA8081
- Affected versionversion=QCA8337
- Affected versionversion=QCA9377
- Affected versionversion=QCM6490
- Affected versionversion=QCN9011
- Affected versionversion=QCN9012
- Affected versionversion=QCS603
- Affected versionversion=QCS605
- Affected versionversion=QCS6490
- Affected versionversion=QRB5165
- Affected versionversion=QRB5165M
- Affected versionversion=QRB5165N
- Affected versionversion=QSM8350
- Affected versionversion=SA6145P
- Affected versionversion=SA6155
- Affected versionversion=SA6155P
- Affected versionversion=SA8150P
- Affected versionversion=SA8155
- Affected versionversion=SA8155P
- Affected versionversion=SA8295P
- Affected versionversion=SA8540P
- Affected versionversion=SA9000P
- Affected versionversion=SD670
- Affected versionversion=SD675
- Affected versionversion=SD 675
- Affected versionversion=SD678
- Affected versionversion=SD765
- Affected versionversion=SD765G
- Affected versionversion=SD768G
- Affected versionversion=SD778G
- Affected versionversion=SD780G
- Affected versionversion=SD845
- Affected versionversion=SD850
- Affected versionversion=SD855
- Affected versionversion=SD865 5G
- Affected versionversion=SD870
- Affected versionversion=SD888
- Affected versionversion=SD888 5G
- Affected versionversion=SD 8CX
- Affected versionversion=SD 8cx Gen2
- Affected versionversion=SD 8cx Gen3
- Affected versionversion=SD 8 Gen1 5G
- Affected versionversion=SDX24
- Affected versionversion=SDX50M
- Affected versionversion=SDX55
- Affected versionversion=SDX55M
- Affected versionversion=SDX57M
- Affected versionversion=SDX65
- Affected versionversion=SDXR2 5G
- Affected versionversion=SM7250P
- Affected versionversion=SM7315
- Affected versionversion=SM7325P
- Affected versionversion=WCD9326
- Affected versionversion=WCD9340
- Affected versionversion=WCD9341
- Affected versionversion=WCD9370
- Affected versionversion=WCD9375
- Affected versionversion=WCD9380
- Affected versionversion=WCD9385
- Affected versionversion=WCN3950
- Affected versionversion=WCN3980
- Affected versionversion=WCN3990
- Affected versionversion=WCN3991
- Affected versionversion=WCN3998
- Affected versionversion=WCN6740
- Affected versionversion=WCN6750
- Affected versionversion=WCN6850
- Affected versionversion=WCN6851
- Affected versionversion=WCN6855
- Affected versionversion=WCN6856
- Affected versionversion=WCN7850
- Affected versionversion=WCN7851
- Affected versionversion=WSA8810
- Affected versionversion=WSA8815
- Affected versionversion=WSA8830
- Affected versionversion=WSA8835
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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