CVE-2016-5412
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.3% in the next 30 days (EPSS).
- Severity: 6.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.3% · EPSS, next 30 days
- Weakness
- CWE-399
- Record status
- Modified
Affected
- Linux Kernel ≤ 4.7
Attack profile CVSS 3.0 · 6.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-5412.md and follow it. Check whether this project is affected by CVE-2016-5412. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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
- 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
- https://bugzilla.redhat.com/show_bug.cgi?id=1349916
- https://github.com/torvalds/linux/commit/93d17397e4e2182fdaad503e2f9da46202c0f1c3
- https://github.com/torvalds/linux/commit/f024ee098476a3e620232e4a78cfac505f121245
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
- https://github.com/torvalds/linux/commit/93d17397e4e2182fdaad503e2f9da46202c0f1c3
- https://github.com/torvalds/linux/commit/f024ee098476a3e620232e4a78cfac505f121245