Veracode Vulnerability DatabaseVERACODE:35944Privilege Escalation
6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
5.7%
xen is vulnerable to privilege escalation. The vulnerability exists due to non-coherent mappings allowing an attacker to control the whole system because the system safety logic doesn’t account for CPU-induced cache.
References
packetstormsecurity.com/files/167710/Xen-PV-Guest-Non-SELFSNOOP-CPU-Memory-Corruption.html
www.openwall.com/lists/oss-security/2022/06/09/4
xenbits.xen.org/xsa/advisory-402.html
lists.fedoraproject.org/archives/list/[email protected]/message/OH65U6FTTB5MLH5A6Q3TW7KVCGOG4MYI/
lists.fedoraproject.org/archives/list/[email protected]/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/
secdb.alpinelinux.org/edge/main.yaml
security.gentoo.org/glsa/202208-23
www.debian.org/security/2022/dsa-5184
xenbits.xenproject.org/xsa/advisory-402.txt
Related
6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
5.7%