CVE-2017-7377
medium
CVSS v3
6.0
CVSS v4 NEW
—
VIR risk
6.0
Description
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.
Predictions
Exploit likelihood
60%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | 8.0 | affected | |
| debian | bookworm | fixed | 1:2.8+dfsg-4 |
| debian | bullseye | fixed | 1:2.8+dfsg-4 |
| debian | forky | fixed | 1:2.8+dfsg-4 |
| debian | sid | fixed | 1:2.8+dfsg-4 |
| debian | trixie | fixed | 1:2.8+dfsg-4 |
References
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e
- http://www.openwall.com/lists/oss-security/2017/04/03/2
- http://www.securityfocus.com/bid/97319
- https://bugzilla.redhat.com/show_bug.cgi?id=1437871
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.html
- https://security.gentoo.org/glsa/201706-03
- https://www.suse.com/security/cve/CVE-2017-7377.html
- https://security-tracker.debian.org/tracker/CVE-2017-7377
CWEs
CWE-772
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.