CVE-2017-7377
published 2017-04-10CVE-2017-7377: The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of…
PriorityP418medium6CVSS 3.1
AVLACLPRHUINSCCNINAH
EPSS
0.38%
31.0th percentile
The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | qemu | < qemu 1:2.8+dfsg-4 (bookworm) | qemu 1:2.8+dfsg-4 (bookworm) |
| qemu | qemu | <= 2.8.1 | — |
| qemu | qemu | — | — |
| qemu | qemu | >= 0 < 1:2.8+dfsg-4 | 1:2.8+dfsg-4 |
| qemu | qemu | >= 0 < 1:2.8+dfsg-4 | 1:2.8+dfsg-4 |
| qemu | qemu | >= 0 < 1:2.8+dfsg-4 | 1:2.8+dfsg-4 |
| qemu | qemu | >= 0 < 1:2.8+dfsg-4 | 1:2.8+dfsg-4 |
| qemu | qemu | >= 0 < 2.0.0+dfsg-2ubuntu1.34 | 2.0.0+dfsg-2ubuntu1.34 |
| qemu | qemu | >= 0 < 1:2.5+dfsg-5ubuntu10.14 | 1:2.5+dfsg-5ubuntu10.14 |
CVSS provenance
nvdv3.16.0MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
osv6.0MEDIUM
vendor_debian6.0MEDIUM
vendor_redhat6.0MEDIUM
vendor_ubuntu6.0MEDIUM
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GHSA
GHSA-xx2q-9cgc-6xvc: The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p
ghsa_unreviewed·2022-05-13
CVE-2017-7377 [MEDIUM] CWE-772 GHSA-xx2q-9cgc-6xvc: The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p
The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid.
OSV
qemu vulnerabilities
osv·2017-05-16·CVSS 6.0
CVE-2017-7377 [MEDIUM] qemu vulnerabilities
qemu vulnerabilities
Li Qiang discovered that QEMU incorrectly handled VirtFS directory sharing.
A privileged attacker inside the guest could use this issue to cause QEMU
to crash, resulting in a denial of service. (CVE-2017-7377, CVE-2017-8086)
Jiangxin discovered that QEMU incorrectly handled the Cirrus VGA device. A
privileged attacker inside the guest could use this issue to cause QEMU to
crash, resulting in a denial of service. (CVE-2017-7718)
Li Qiang and Jiangxin discovered that QEMU incorrectly handled the Cirrus
VGA device when being used with a VNC connection. A privileged attacker
inside the guest could use this issue to cause QEMU to crash, resulting in
a denial of service, or possibly execute arbitrary code on the host. In the
default installation, when QEMU is used with li
OSV
CVE-2017-7377: The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p
osv·2017-04-10·CVSS 6.0
CVE-2017-7377 [MEDIUM] CVE-2017-7377: The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p
The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid.
Ubuntu
QEMU vulnerabilities
vendor_ubuntu·2017-05-16·CVSS 6.0
CVE-2017-7377 [MEDIUM] QEMU vulnerabilities
Title: QEMU vulnerabilities
Summary: Several security issues were fixed in QEMU.
Li Qiang discovered that QEMU incorrectly handled VirtFS directory sharing.
A privileged attacker inside the guest could use this issue to cause QEMU
to crash, resulting in a denial of service. (CVE-2017-7377, CVE-2017-8086)
Jiangxin discovered that QEMU incorrectly handled the Cirrus VGA device. A
privileged attacker inside the guest could use this issue to cause QEMU to
crash, resulting in a denial of service. (CVE-2017-7718)
Li Qiang and Jiangxin discovered that QEMU incorrectly handled the Cirrus
VGA device when being used with a VNC connection. A privileged attacker
inside the guest could use this issue to cause QEMU to crash, resulting in
a denial of service, or possibly execute arbitrary code on the
Red Hat
Qemu: 9pfs: host memory leakage via v9fs_create
vendor_redhat·2017-03-28·CVSS 6.0
CVE-2017-7377 [MEDIUM] CWE-772 Qemu: 9pfs: host memory leakage via v9fs_create
Qemu: 9pfs: host memory leakage via v9fs_create
The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid.
Package: kvm (Red Hat Enterprise Linux 5) - Not affected
Package: xen (Red Hat Enterprise Linux 5) - Not affected
Package: qemu-kvm (Red Hat Enterprise Linux 6) - Not affected
Package: qemu-kvm (Red Hat Enterprise Linux 7) - Not affected
Package: qemu-kvm-rhev (Red Hat Enterprise Linux 7) - Not affected
Package: qemu-kvm-rhev (Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)) - Not affected
Package: qemu-kvm-rhev (Red Hat Enterprise Linux OpenStack Platform 6 (Juno)) - Not affected
Debian
CVE-2017-7377: qemu - The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka ...
vendor_debian·2017·CVSS 6.0
CVE-2017-7377 [MEDIUM] CVE-2017-7377: qemu - The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka ...
The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid.
Scope: local
bookworm: resolved (fixed in 1:2.8+dfsg-4)
bullseye: resolved (fixed in 1:2.8+dfsg-4)
forky: resolved (fixed in 1:2.8+dfsg-4)
sid: resolved (fixed in 1:2.8+dfsg-4)
trixie: resolved (fixed in 1:2.8+dfsg-4)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2017-7377 xen: Qemu: 9pfs: host memory leakage via v9fs_create [fedora-all]
bugzilla·2017-03-31·CVSS 6.0
CVE-2017-7377 [MEDIUM] CVE-2017-7377 xen: Qemu: 9pfs: host memory leakage via v9fs_create [fedora-all]
CVE-2017-7377 xen: Qemu: 9pfs: host memory leakage via v9fs_create [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions o
Bugzilla
CVE-2017-7377 Qemu: 9pfs: host memory leakage via v9fs_create [fedora-all]
bugzilla·2017-03-31·CVSS 6.0
CVE-2017-7377 [MEDIUM] CVE-2017-7377 Qemu: 9pfs: host memory leakage via v9fs_create [fedora-all]
CVE-2017-7377 Qemu: 9pfs: host memory leakage via v9fs_create [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions of Fed
Bugzilla
CVE-2017-7377 Qemu: 9pfs: host memory leakage via v9fs_create
bugzilla·2017-03-31·CVSS 6.0
CVE-2017-7377 [MEDIUM] CVE-2017-7377 Qemu: 9pfs: host memory leakage via v9fs_create
CVE-2017-7377 Qemu: 9pfs: host memory leakage via v9fs_create
Quick Emulator(Qemu) built with the virtio-9p back-end support is vulnerable
to a memory leakage issue. It could occur while doing a I/O operation via
v9fs_create/v9fs_lcreate routine.
A privileged user/process inside guest could use this flaw to leak host memory
resulting in Dos.
Upstream patch:
-> https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.html
Reference:
-> http://www.openwall.com/lists/oss-security/2017/04/03/2
Discussion:
Acknowledgments:
Name: Li Qiang (360.cn Inc.)
---
Created xen tracking bugs for this issue:
Affects: fedora-all [bug 1437873]
---
Created qemu tracking bugs for this issue:
Affects: fedora-all [bug 1437872]
---
qemu-2.7.1-7.fc25 has been pushed to the Fedora 25 stable rep
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=d63fb193e71644a073b77ff5ac6f1216f2f6cf6ehttp://www.openwall.com/lists/oss-security/2017/04/03/2http://www.securityfocus.com/bid/97319https://bugzilla.redhat.com/show_bug.cgi?id=1437871https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlhttps://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.htmlhttps://security.gentoo.org/glsa/201706-03http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=d63fb193e71644a073b77ff5ac6f1216f2f6cf6ehttp://www.openwall.com/lists/oss-security/2017/04/03/2http://www.securityfocus.com/bid/97319https://bugzilla.redhat.com/show_bug.cgi?id=1437871https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlhttps://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.htmlhttps://security.gentoo.org/glsa/201706-03
2017-04-10
Published