CVE-2016-2550

Summary

The Linux kernel before 4.5 allows local users to bypass file-descriptor limits and cause a denial of service (memory consumption) by leveraging incorrect tracking of descriptor ownership and sending each descriptor over a UNIX socket before closing it. NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-4312.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://bugzilla.redhat.com/show_bug.cgi?id=1311517
• http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
• http://www.ubuntu.com/usn/USN-2949-1
• http://www.openwall.com/lists/oss-security/2016/02/23/2
• http://www.debian.org/security/2016/dsa-3503
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=415e3d3e90ce9e18727e8843ae343eda5a58fad6
• http://www.ubuntu.com/usn/USN-2947-3
• http://www.ubuntu.com/usn/USN-2947-2
• http://www.ubuntu.com/usn/USN-2947-1
• http://www.ubuntu.com/usn/USN-2946-2
• http://www.ubuntu.com/usn/USN-2948-1
• http://www.ubuntu.com/usn/USN-2946-1
• http://www.ubuntu.com/usn/USN-2948-2
• https://github.com/torvalds/linux/commit/415e3d3e90ce9e18727e8843ae343eda5a58fad6

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1311517
• http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
• http://www.ubuntu.com/usn/USN-2949-1
• http://www.openwall.com/lists/oss-security/2016/02/23/2
• http://www.debian.org/security/2016/dsa-3503
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=415e3d3e90ce9e18727e8843ae343eda5a58fad6
• http://www.ubuntu.com/usn/USN-2947-3
• http://www.ubuntu.com/usn/USN-2947-2
• http://www.ubuntu.com/usn/USN-2947-1
• http://www.ubuntu.com/usn/USN-2946-2
• http://www.ubuntu.com/usn/USN-2948-1
• http://www.ubuntu.com/usn/USN-2946-1
• http://www.ubuntu.com/usn/USN-2948-2
• https://github.com/torvalds/linux/commit/415e3d3e90ce9e18727e8843ae343eda5a58fad6

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