Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003140)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003140 advisory. In the Linux kernel 4.15.x through 4.19.x before 4.19.2, mapwrite in kernel/usernamespace.c allows privilege escalation because it mishandles nested user namespaces...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000347)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000347 advisory. In the Linux kernel 4.15.x through 4.19.x before 4.19.2, mapwrite in kernel/usernamespace.c allows privilege escalation because it mishandles nested user namespaces...

SUSE CVE-2018-18955

In the Linux kernel 4.15.x through 4.19.x before 4.19.2, mapwrite in kernel/usernamespace.c allows privilege escalation because it mishandles nested user namespaces with more than 5 UID or GID ranges. A user who has CAPSYSADMIN in an affected user namespace can bypass access controls on resources...

Linux Kernel 4.15.x < 4.19.2 - map_write() CAP_SYS_ADMIN Local Privilege Escalation (cron Method)

Exploit for linux platform in category local exploits !/bin/sh EDB Note: Download https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/47164.zip wrapper for Jann Horn's exploit for CVE-2018-18955 uses crontab technique ---...

Linux Kernel 4.15.x 4.19.2 - map_write() CAP_SYS_ADMIN Local Privilege Escalation (polkit Method)

Linux Kernel 4.15.x 4.19.2 - mapwrite CAPSYSADMIN Local Privilege Escalation polkit Method !/bin/sh EDB Note: Download https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/47167.zip wrapper for Jann Horn's exploit for CVE-2018-18955 uses polkit technique ---...

Linux Kernel 4.15.x 4.19.2 - map_write() CAP_SYS_ADMIN Local Privilege Escalation (dbus Method)

Linux Kernel 4.15.x 4.19.2 - mapwrite CAPSYSADMIN Local Privilege Escalation dbus Method !/bin/sh EDB Note: Download https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/47165.zip wrapper for Jann Horn's exploit for CVE-2018-18955 uses dbus service technique ---...

Linux Kernel 4.15.x &lt; 4.19.2 - &#039;map_write() CAP_SYS_ADMIN&#039; Local Privilege Escalation (dbus Method)

!/bin/sh EDB Note: Download https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/47165.zip wrapper for Jann Horn's exploit for CVE-2018-18955 uses dbus service technique --- test@linux-mint-19-2:/kernel-exploits/CVE-2018-18955$ ./exploit.dbus.sh Compiling... Creating...

Linux Kernel 4.15.x 4.19.2 - map_write() CAP_SYS_ADMIN Local Privilege Escalation (cron Method)

Linux Kernel 4.15.x 4.19.2 - mapwrite CAPSYSADMIN Local Privilege Escalation cron Method !/bin/sh EDB Note: Download https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/47164.zip wrapper for Jann Horn's exploit for CVE-2018-18955 uses crontab technique ---...

Linux Kernel 4.15.x &lt; 4.19.2 - &#039;map_write() CAP_SYS_ADMIN&#039; Local Privilege Escalation (cron Method)

!/bin/sh EDB Note: Download https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/47164.zip wrapper for Jann Horn's exploit for CVE-2018-18955 uses crontab technique --- test@linux-mint-19-2:/kernel-exploits/CVE-2018-18955$ ./exploit.cron.sh Compiling... Writing payload...

Linux Kernel 4.15.x &lt; 4.19.2 - &#039;map_write() CAP_SYS_ADMIN&#039; Local Privilege Escalation (ldpreload Method)

!/bin/sh EDB Note: Download https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/47166.zip wrapper for Jann Horn's exploit for CVE-2018-18955 uses ld.so.preload technique --- test@linux-mint-19-2:/kernel-exploits/CVE-2018-18955$ ./exploit.ldpreload.sh Compiling... Addi...

EUVD-2018-10659

In the Linux kernel 4.15.x through 4.19.x before 4.19.2, mapwrite in kernel/usernamespace.c allows privilege escalation because it mishandles nested user namespaces with more than 5 UID or GID ranges. A user who has CAPSYSADMIN in an affected user namespace can bypass access controls on resources...