PT-2017-17688 · Qemu+3 · Qemu+3
Li Qiang
·
Publicado
2017-04-10
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Atualizado
2020-09-10
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CVE-2017-7377
CVSS v3.1
6.0
Média
| Vetor | AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
QEMU (aka Quick Emulator) versions prior to the fixed version
Description
The issue allows local guest OS privileged users to cause a denial of service, specifically file descriptor or memory consumption, via certain vectors related to an already in-use fid. This is due to the v9fs create and v9fs lcreate functions in hw/9pfs/9p.c.
Recommendations
For QEMU versions prior to the fixed version, consider restricting access to the v9fs create and v9fs lcreate functions as a temporary workaround until a patch is available.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
DoS
Missing Release of Resource after Effective Lifetime
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Alt Linux
Qemu
Suse
Ubuntu