The overlayfs implementation in the linux (aka Linux kernel) package before 3.19.0-21.21 in Ubuntu through 15.04 does not properly check permissions for file creation in the upper filesystem directory, which allows local users to obtain root access by leveraging a configuration in which overlayfs is permitted in an arbitrary mount namespace.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | ubuntu-upgrade-linux-image-3-13-0-55-genericubuntu-upgrade-linux-image-3-13-0-55-generic-lpaeubuntu-upgrade-linux-image-3-13-0-55-lowlatencyubuntu-upgrade-linux-image-3-13-0-55-powerpc-e500ubuntu-upgrade-linux-image-3-13-0-55-powerpc-e500mcubuntu-upgrade-linux-image-3-13-0-55-powerpc-smpubuntu-upgrade-linux-image-3-13-0-55-powerpc64-embubuntu-upgrade-linux-image-3-13-0-55-powerpc64-smpubuntu-upgrade-linux-image-3-16-0-41-genericubuntu-upgrade-linux-image-3-16-0-41-generic-lpaeubuntu-upgrade-linux-image-3-16-0-41-lowlatencyubuntu-upgrade-linux-image-3-16-0-41-powerpc-e500mcubuntu-upgrade-linux-image-3-16-0-41-powerpc-smpubuntu-upgrade-linux-image-3-16-0-41-powerpc64-embubuntu-upgrade-linux-image-3-16-0-41-powerpc64-smpubuntu-upgrade-linux-image-3-19-0-21-genericubuntu-upgrade-linux-image-3-19-0-21-generic-lpaeubuntu-upgrade-linux-image-3-19-0-21-lowlatencyubuntu-upgrade-linux-image-3-19-0-21-powerpc-e500mcubuntu-upgrade-linux-image-3-19-0-21-powerpc-smpubuntu-upgrade-linux-image-3-19-0-21-powerpc64-embubuntu-upgrade-linux-image-3-19-0-21-powerpc64-smpubuntu-upgrade-linux-image-3-2-0-1466-omap4ubuntu-upgrade-linux-image-3-2-0-86-genericubuntu-upgrade-linux-image-3-2-0-86-generic-paeubuntu-upgrade-linux-image-3-2-0-86-highbankubuntu-upgrade-linux-image-3-2-0-86-omapubuntu-upgrade-linux-image-3-2-0-86-powerpc-smpubuntu-upgrade-linux-image-3-2-0-86-powerpc64-smpubuntu-upgrade-linux-image-3-2-0-86-virtual | Nov 8, 2024 | Nov 28, 2016 |
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