CVE-2018-7995

Priority
Description
** 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.
Ubuntu-Description
It was discovered that a race condition existed in the x86 machine check
handler in the Linux kernel. A local privileged attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code.
Notes
sbeattierequires root privileges to write to the machinecheck sysfs
files
Package
Source: linux (LP Ubuntu Debian)
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):ignored (was needs-triage ESM criteria)
Ubuntu 14.04 ESM (Trusty Tahr):ignored (was needed ESM criteria)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-127.153)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.15.0-13.14)
Patches:
Break-fix:-
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
This package is not directly supported by the Ubuntu Security Team
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):released (4.4.0-1022.22)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1060.69)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.15.0-1003.3)
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):not-affected (4.15.0-1030.31~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):not-affected (4.15.0-1023.24~14.04.1)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1013.13~16.04.2)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.15.0-1003.3)
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1013.13~16.04.2)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.15.0-1003.3)
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):ignored (was needs-triage ESM criteria)
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [abandoned])
Ubuntu 16.04 LTS (Xenial Xerus):ignored (abandoned)
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1014.14~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.15.0-1003.3)
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.18.0-1004.5~18.04.1)
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):ignored (was needed now end-of-life)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [abandoned])
Ubuntu 16.04 LTS (Xenial Xerus):ignored (was needed now end-of-life)
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [abandoned])
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-24.26~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.18.0-13.14~18.04.1)
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-24.26~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (5.0.0-14.15~18.04.1)
Product
linux-krillin:ignored (was needed now end-of-life)
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1026.31)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.15.0-1003.3)
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):ignored (end-of-life)
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Patches:
This package is not directly supported by the Ubuntu Security Team
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):ignored (end-of-life)
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):ignored (end-of-life)
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
This package is not directly supported by the Ubuntu Security Team
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):ignored (was needed ESM criteria)
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [end-of-life])
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [was needs-triage now end-of-life])
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [end-of-life])
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):released (4.4.0-127.153~14.04.1)
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [abandoned])
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [abandoned])
Ubuntu 16.04 LTS (Xenial Xerus):ignored (abandoned)
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [abandoned])
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):ignored (was needed now end-of-life)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.15.0-1002.3)
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):not-affected (4.15.0-1007.9~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.15.0-1007.9)
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1090.98)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.15.0-1006.7)
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1093.98)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1053.57)
Package
Upstream:released (4.16~rc5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Product
linux-vegetahd:ignored (was needed now end-of-life)
More Information

Updated: 2020-09-10 06:03:28 UTC (commit 81a23a978c4436cd99e1d040e9e73e9146876281)