cve-2018-18021
Vulnerability from cvelistv5
Published
2018-10-07 06:00
Modified
2024-08-05 11:01
Severity ?
Summary
arch/arm64/kvm/guest.c in KVM in the Linux kernel before 4.18.12 on the arm64 platform mishandles the KVM_SET_ON_REG ioctl. This is exploitable by attackers who can create virtual machines. An attacker can arbitrarily redirect the hypervisor flow of control (with full register control). An attacker can also cause a denial of service (hypervisor panic) via an illegal exception return. This occurs because of insufficient restrictions on userspace access to the core register file, and because PSTATE.M validation does not prevent unintended execution modes.
References
cve@mitre.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2a3f93459d689d990b3ecfbe782fec89b97d3279Patch
cve@mitre.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d26c25a9d19b5976b319af528886f89cf455692dPatch
cve@mitre.orghttp://www.securityfocus.com/bid/105550Third Party Advisory, VDB Entry
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:3656Third Party Advisory
cve@mitre.orghttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.12Patch
cve@mitre.orghttps://github.com/torvalds/linux/commit/2a3f93459d689d990b3ecfbe782fec89b97d3279Patch
cve@mitre.orghttps://github.com/torvalds/linux/commit/d26c25a9d19b5976b319af528886f89cf455692dPatch
cve@mitre.orghttps://usn.ubuntu.com/3821-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3821-2/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3931-1/
cve@mitre.orghttps://usn.ubuntu.com/3931-2/
cve@mitre.orghttps://www.debian.org/security/2018/dsa-4313Third Party Advisory
cve@mitre.orghttps://www.openwall.com/lists/oss-security/2018/10/02/2Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2a3f93459d689d990b3ecfbe782fec89b97d3279Patch
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d26c25a9d19b5976b319af528886f89cf455692dPatch
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/105550Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3656Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.12Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/2a3f93459d689d990b3ecfbe782fec89b97d3279Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/d26c25a9d19b5976b319af528886f89cf455692dPatch
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3821-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3821-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3931-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3931-2/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4313Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2018/10/02/2Mailing List, Patch, Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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