CVE-2016-5412

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-08-06 · updated 2026-06-17
Weakness: CWE-399

Description

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.

Affected products

Linux kernel: through 4.7

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=93d17397e4e2182fdaad503e2f9da46202c0f1c3
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f024ee098476a3e620232e4a78cfac505f121245
http://rhn.redhat.com/errata/RHSA-2016-2574.html
http://www.openwall.com/lists/oss-security/2016/07/28/2
https://bugzilla.redhat.com/show_bug.cgi?id=1349916
https://github.com/torvalds/linux/commit/93d17397e4e2182fdaad503e2f9da46202c0f1c3
https://github.com/torvalds/linux/commit/f024ee098476a3e620232e4a78cfac505f121245
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=93d17397e4e2182fdaad503e2f9da46202c0f1c3
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f024ee098476a3e620232e4a78cfac505f121245
http://rhn.redhat.com/errata/RHSA-2016-2574.html
http://www.openwall.com/lists/oss-security/2016/07/28/2
https://bugzilla.redhat.com/show_bug.cgi?id=1349916

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