CVE-2015-7513
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
28.1%
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.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| linux | linux_kernel | 4.4 | cpe:/o:linux:linux_kernel:4.4:rc1:: |
| linux | linux_kernel | 4.4 | cpe:/o:linux:linux_kernel:4.4:rc2:: |
| linux | linux_kernel | 4.4 | cpe:/o:linux:linux_kernel:4.4:rc4:: |
| linux | linux_kernel | 4.4 | cpe:/o:linux:linux_kernel:4.4:-:: |
| linux | linux_kernel | 4.4 | cpe:/o:linux:linux_kernel:4.4:rc6:: |
| linux | linux_kernel | 4.4 | cpe:/o:linux:linux_kernel:4.4:rc5:: |
| linux | linux_kernel | 4.4 | cpe:/o:linux:linux_kernel:4.4:rc3:: |
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0185604c2d82c560dab2f2933a18f797e74ab5a8
lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html
lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
www.debian.org/security/2016/dsa-3434
www.openwall.com/lists/oss-security/2016/01/07/2
www.securityfocus.com/bid/79901
www.securitytracker.com/id/1034602
www.ubuntu.com/usn/USN-2886-1
www.ubuntu.com/usn/USN-2887-1
www.ubuntu.com/usn/USN-2887-2
www.ubuntu.com/usn/USN-2888-1
www.ubuntu.com/usn/USN-2889-1
www.ubuntu.com/usn/USN-2889-2
www.ubuntu.com/usn/USN-2890-1
www.ubuntu.com/usn/USN-2890-2
www.ubuntu.com/usn/USN-2890-3
bugzilla.redhat.com/show_bug.cgi?id=1284847
github.com/torvalds/linux/commit/0185604c2d82c560dab2f2933a18f797e74ab5a8
Related
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
28.1%