ISOMAN

CVE

CVE-2016-1575

The overlayfs implementation in the Linux kernel through 4.5.2 does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.

Severity
HIGH
CVSS
7.8
Published
Modified
NVD detailAll CVEs

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu16.04.7 amd64 desktopunknownsource
Ubuntu16.04.6 i386 desktopunknownsource
Ubuntu16.04.7 amd64 serverunknownsource
Ubuntu16.04.6 i386 serverunknownsource
Ubuntu14.04.6 amd64 desktopunknownsource
Ubuntu14.04.6 i386 desktopunknownsource
Ubuntu14.04.6 amd64 serverunknownsource
Ubuntu14.04.6 i386 serverunknownsource

References

  1. http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360
  2. http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html
  3. http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/
  4. http://www.openwall.com/lists/oss-security/2016/02/24/7
  5. http://www.openwall.com/lists/oss-security/2021/10/18/1
  6. https://launchpad.net/bugs/1534961
  7. http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360
  8. http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html
  9. http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/
  10. http://www.openwall.com/lists/oss-security/2016/02/24/7
  11. http://www.openwall.com/lists/oss-security/2021/10/18/1
  12. https://launchpad.net/bugs/1534961