Veracode Vulnerability DatabaseVERACODE:26895Use-After-Free
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
qemu is vulnerable to use-after-free. 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.
References
lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
www.openwall.com/lists/oss-security/2018/11/20/1
lists.debian.org/debian-lts-announce/2019/01/msg00023.html
lists.fedoraproject.org/archives/list/[email protected]/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
lists.gnu.org/archive/html/qemu-devel/2018-11/msg01139.html
lists.gnu.org/archive/html/qemu-devel/2018-11/msg02795.html
seclists.org/bugtraq/2019/May/76
usn.ubuntu.com/3826-1/
www.debian.org/security/2019/dsa-4454
Related
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