CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
25.7%
In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, userspace can request ION cache maintenance on a secure ION buffer for which the ION_FLAG_SECURE ion flag is not set and cause the kernel to attempt to perform cache maintenance on memory which does not belong to HLOS.
[
{
"product": "Android for MSM, Firefox OS for MSM, QRD Android",
"vendor": "Qualcomm, Inc.",
"versions": [
{
"status": "affected",
"version": "All Android releases from CAF using the Linux kernel"
}
]
}
]
source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=3286b75d91519073d2f20bee85f22e294d5f1a18
source.codeaurora.org/quic/la/kernel/msm-4.4/commit/?id=09874396dfbf546e5a628d810fcf5ea51a4d5785
source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=53261410da625aaa2e070555aaa150a8533e5be4
support.blackberry.com/kb/articleDetail?language=en_US&articleNumber=000049462
www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
25.7%