High severity · published Aug 8, 2023
CVE-2023-28577
In the function call related to CAM_REQ_MGR_RELEASE_BUF there is no check if the buffer is being used
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
In the function call related to CAM_REQ_MGR_RELEASE_BUF there is no check if the buffer is being used. So when a function called cam_mem_get_cpu_buf to get the kernel va to use, another thread can call CAM_REQ_MGR_RELEASE_BUF to unmap the kernel va which cause UAF of the kernel address.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
F6
Fastconnect 6800 Firmware · Qualcomm
All versions, or not specified · source: NVD
F6
Fastconnect 6900 Firmware · Qualcomm
All versions, or not specified · source: NVD
F7
Fastconnect 7800 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6391 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6426 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6436 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcn9074 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcs410 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcs610 Firmware · Qualcomm
All versions, or not specified · source: NVD
S5
Sd865 5g Firmware · Qualcomm
All versions, or not specified · source: NVD
S8
Snapdragon 8 Gen 1 Firmware · Qualcomm
All versions, or not specified · source: NVD
S8
Snapdragon 865 5g Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-28577
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-28577
Patch
https://www.qualcomm.com/company/product-security/bulletins/august-2023-bulletin
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