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K16876: Mount (seunshare_mount) vulnerability CVE-2011-1101

🗓️ 21 Feb 2023 18:26:15Reported by f5Type 
f5
 f5
🔗 my.f5.com👁 26 Views

The seunshare_mount function in certain Red Hat packages of policycoreutils 2.0.83 and earlier in Red Hat Enterprise Linux (RHEL) 6 and earlier, and Fedora 14 and earlier, mounts a new directory on top of /tmp without assigning root ownership, and the sticky bit to this new directory, which allows local users to replace or delete arbitrary /tmp files, and consequently cause a denial of service or possibly gain privileges, by running a setuid application that relies on /tmp, as demonstrated by the ksu applicatio

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