CVE-2015-7513
MEDIUM 6.5
En bref
- Source
- NVD
- EPSS
- EPSS 0.56 % · centile 47 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- redhat
- Statut NVD
- Modified
Description
arch/x86/kvm/x86.c in the Linux kernel before 4.4 does not reset the PIT counter values during state restoration, which allows guest OS users to cause a denial of service (divide-by-zero error and host OS crash) via a zero value, related to the kvm_vm_ioctl_set_pit and kvm_vm_ioctl_set_pit2 functions.
Faiblesses (CWE)
- CWE-369 — Division par zéro
Références
- http://www.openwall.com/lists/oss-security/2016/01/07/2
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html
- http://www.ubuntu.com/usn/USN-2887-2
- https://github.com/torvalds/linux/commit/0185604c2d82c560dab2f2933a18f797e74ab5a8
- http://www.ubuntu.com/usn/USN-2886-1
- http://www.ubuntu.com/usn/USN-2887-1
- http://www.ubuntu.com/usn/USN-2890-3
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0185604c2d82c560dab2f2933a18f797e74ab5a8
- http://www.ubuntu.com/usn/USN-2889-1
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
- http://www.ubuntu.com/usn/USN-2889-2
- http://www.securityfocus.com/bid/79901
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
- http://www.ubuntu.com/usn/USN-2890-2
- https://bugzilla.redhat.com/show_bug.cgi?id=1284847
- http://www.ubuntu.com/usn/USN-2890-1
- http://www.debian.org/security/2016/dsa-3434
- http://www.securitytracker.com/id/1034602
- http://www.ubuntu.com/usn/USN-2888-1
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2015-7434
- GCVE · GCVE-0-2015-7513
Avis du CERT-FR
- CERTFR-2017-AVI-034 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2016-AVI-044 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2016-AVI-004 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*< 4.4cpe:2.3:o:linux:linux_kernel:4.4:-:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:4.4:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:4.4:rc2:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:4.4:rc3:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:4.4:rc4:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:4.4:rc5:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:4.4:rc6:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |