Vulnerability Details : CVE-2016-5412
arch/powerpc/kvm/book3s_hv_rmhandlers.S in the Linux kernel through 4.7 on PowerPC platforms, when CONFIG_KVM_BOOK3S_64_HV is enabled, allows guest OS users to cause a denial of service (host OS infinite loop) by making a H_CEDE hypercall during the existence of a suspended transaction.
Vulnerability category: Denial of service
Products affected by CVE-2016-5412
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-5412
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-5412
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:S/C:N/I:N/A:C |
3.1
|
6.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
2.0
|
4.0
|
NIST |
CWE ids for CVE-2016-5412
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-5412
-
https://github.com/torvalds/linux/commit/93d17397e4e2182fdaad503e2f9da46202c0f1c3
KVM: PPC: Book3S HV: Save/restore TM state in H_CEDE · torvalds/linux@93d1739 · GitHub
-
http://www.openwall.com/lists/oss-security/2016/07/28/2
oss-security - CVE-2016-5412 Kernel: powerpc: kvm: Infinite loop via H_CEDE hypercall when running under hypervisor-modeMailing List
-
http://rhn.redhat.com/errata/RHSA-2016-2574.html
RHSA-2016:2574 - Security Advisory - Red Hat Customer Portal
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https://bugzilla.redhat.com/show_bug.cgi?id=1349916
1349916 – (CVE-2016-5412) CVE-2016-5412 Kernel: powerpc: kvm: Infinite loop via H_CEDE hypercall when running under hypervisor-modeIssue Tracking;Patch;Third Party Advisory
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https://github.com/torvalds/linux/commit/f024ee098476a3e620232e4a78cfac505f121245
KVM: PPC: Book3S HV: Pull out TM state save/restore into separate pro… · torvalds/linux@f024ee0 · GitHub
-
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f024ee098476a3e620232e4a78cfac505f121245
kernel/git/torvalds/linux.git - Linux kernel source tree
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http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=93d17397e4e2182fdaad503e2f9da46202c0f1c3
kernel/git/torvalds/linux.git - Linux kernel source tree
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