What’s Vulnerable › Vulnerabilities

CVE-2017-15306

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-06 · updated 2026-06-17
• Weakness: CWE-476

Description

The kvm_vm_ioctl_check_extension function in arch/powerpc/kvm/powerpc.c in the Linux kernel before 4.13.11 allows local users to cause a denial of service (NULL pointer dereference and system crash) via a KVM_CHECK_EXTENSION KVM_CAP_PPC_HTM ioctl call to /dev/kvm.

Affected products

• Linux kernel: through 4.13.10

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac64115a66c18c01745bbd3c47a36b124e5fd8c0
• http://openwall.com/lists/oss-security/2017/11/06/6
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11
• http://www.securityfocus.com/bid/101693
• https://github.com/torvalds/linux/commit/ac64115a66c18c01745bbd3c47a36b124e5fd8c0
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac64115a66c18c01745bbd3c47a36b124e5fd8c0
• http://openwall.com/lists/oss-security/2017/11/06/6
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11
• http://www.securityfocus.com/bid/101693
• https://github.com/torvalds/linux/commit/ac64115a66c18c01745bbd3c47a36b124e5fd8c0

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