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ubuntucveUbuntu.comUB:CVE-2018-7995
HistoryMar 09, 2018 - 12:00 a.m.

CVE-2018-7995

2018-03-0900:00:00
ubuntu.com
ubuntu.com
12

0.0004 Low

EPSS

Percentile

5.2%

DISPUTED Race condition in the store_int_with_restart() function in
arch/x86/kernel/cpu/mcheck/mce.c in the Linux kernel through 4.15.7 allows
local users to cause a denial of service (panic) by leveraging root access
to write to the check_interval file in a
/sys/devices/system/machinecheck/machinecheck<cpu number> directory. NOTE:
a third party has indicated that this report is not security relevant.

Notes

Author Note
sbeattie requires root privileges to write to the machinecheck sysfs files
OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchlinux< 4.4.0-127.153UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1022.22UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1060.69UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1013.13~16.04.2UNKNOWN
ubuntu16.04noarchlinux-azure-edge< 4.15.0-1013.13~16.04.2UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.15.0-1014.14~16.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.15.0-24.26~16.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe-edge< 4.15.0-24.26~16.04.1UNKNOWN
ubuntu16.04noarchlinux-kvm< 4.4.0-1026.31UNKNOWN
ubuntu14.04noarchlinux-lts-xenial< 4.4.0-127.153~14.04.1UNKNOWN
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