Description

Integer overflow in the xt_alloc_table_info function in net/netfilter/x_tables.c in the Linux kernel through 4.5.2 on 32-bit platforms allows local users to gain privileges or cause a denial of service (heap memory corruption) via an IPT_SO_SET_REPLACE setsockopt call.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d157bd761585605b7882935ffb86286919f62ea1

http://www.securityfocus.com/bid/84305

http://www.ubuntu.com/usn/USN-2930-1

http://www.ubuntu.com/usn/USN-2930-2

http://www.ubuntu.com/usn/USN-2930-3

http://www.ubuntu.com/usn/USN-3054-1

http://www.ubuntu.com/usn/USN-3055-1

http://www.ubuntu.com/usn/USN-3056-1

http://www.ubuntu.com/usn/USN-3057-1

https://bugzilla.redhat.com/show_bug.cgi?id=1317386

https://code.google.com/p/google-security-research/issues/detail?id=758

https://github.com/torvalds/linux/commit/d157bd761585605b7882935ffb86286919f62ea1

Details

Risk Information

CVSS v2

CVSS v3