CVE-2017-7377: debian debian_linux
Vulnerability summary
CVE-2017-7377 is a medium (CVSS 6.0) vulnerability in debian debian_linux. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 32.5% of scored vulnerabilities.
Not severe (CVSS 6, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 4Timeline
- 10-04-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated6.0MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.0MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.38% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- qemu< 1:2.8+dfsg-4
- debian_linuxEOL8.0
Qemu1 product
- qemu≤ 2.8.1 | 2.9.0:rc0 | 2.9.0:rc1
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.34 | < 1:2.5+dfsg-5ubuntu10.14
3 vendors · 4 products
References
11 links
lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListX Refsource MLISTThird Party Advisory- www.openwall.com/lists/oss-security/2017/04/03/2Mailing ListX Refsource MLISTPatchThird Party AdvisoryVDB EntryREPORT
- bugzilla.redhat.com/show_bug.cgi?id=1437871X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.htmlMailing ListX Refsource MLISTPatchThird Party AdvisoryREPORT