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CVE-2018-19364

Date: December 13, 2018

hw/9pfs/cofile.c and hw/9pfs/9p.c in QEMU can modify an fid path while it is being accessed by a second thread, leading to (for example) a use-after-free outcome.

Language: C

Severity Score

5.5

Related Resources (13)

Url: http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html

Url: https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg01139.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/

Url: https://seclists.org/bugtraq/2019/May/76

Url: https://security-tracker.debian.org/tracker/CVE-2018-19364

Url: https://www.debian.org/security/2019/dsa-4454

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-19364

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2018-19364

Url: https://lists.debian.org/debian-lts-announce/2019/01/msg00023.html

Url: http://www.openwall.com/lists/oss-security/2018/11/20/1

Url: https://usn.ubuntu.com/3826-1/

Url: https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg02795.html

Url: https://www.mend.io/vulnerability-database/CVE-2018-19364

Severity Score

5.5

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	2.1
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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