DescriptionIn Open vSwitch (OvS) 2.5.0, a malformed IP packet can cause the switch to read past the end of the packet buffer due to an unsigned integer underflow in `lib/flow.c` in the function `miniflow_extract`, permitting remote bypass of the access control list enforced by the switch.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openvswitch (PTS)stretch2.6.2~pre+git20161223-3fixed
stretch (security)2.6.10-0+deb9u1fixed
buster (security)2.10.7+ds1-0+deb10u1fixed
bookworm, sid2.15.0+ds1-10fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openvswitchsourcewheezy(not affected)
openvswitchsourcejessie(not affected)


[jessie] - openvswitch <not-affected> (Vulnerable code using tot_len introduced later)
[wheezy] - openvswitch <not-affected> (Vulnerable code using tot_len introduced later)

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