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debianDebianDEBIAN:DSA-4723-1:912C0
HistoryJul 12, 2020 - 8:39 p.m.

[SECURITY] [DSA 4723-1] xen security update

2020-07-1220:39:56
lists.debian.org
47

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

0.0004 Low

EPSS

Percentile

13.3%


Debian Security Advisory DSA-4723-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
July 12, 2020 https://www.debian.org/security/faq


Package : xen
CVE ID : CVE-2020-11739 CVE-2020-11740 CVE-2020-11741 CVE-2020-11742
CVE-2020-11743 CVE-2020-15563 CVE-2020-15564 CVE-2020-15565
CVE-2020-15566 CVE-2020-15567

Multiple vulnerabilities have been discovered in the Xen hypervisor,
which could result in denial of service, guest-to-host privilege
escalation or information leaks.

For the stable distribution (buster), these problems have been fixed in
version 4.11.4+24-gddaaccbbab-1~deb10u1.

We recommend that you upgrade your xen packages.

For the detailed security status of xen please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/xen

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

0.0004 Low

EPSS

Percentile

13.3%