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GoogleOSV:ASB-A-265303544HistoryMay 01, 2023 - 12:00 a.m.
Missing locks in SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 compat code causing UAF used in the wild
2023-05-0100:00:00
Google
osv.dev
13
sndrv_ctl_ioctl
locks
memory corruption
escalation
privilege
execution
exploitation
software
CVSS3
7.9
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H
AI Score
8.1
Confidence
High
EPSS
0.001
Percentile
35.5%
In ctl_elem_read_user, ctl_elem_write_user of control_compat.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
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CVSS3
7.9
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H
AI Score
8.1
Confidence
High
EPSS
0.001
Percentile
35.5%
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