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Date: Tue, 5 Mar 2019 22:02:49 +0100
From: Jann Horn <>
Subject: Linux kernel: OOB R/W in SNMP NAT module (CVE-2019-9162); virtual
 address 0 mappable (CVE-2019-9213)

Two Linux kernel bugs:

out-of-bounds read and write in SNMP NAT module
introduced in commit cc2d58634e0f ("netfilter: nf_nat_snmp_basic: use
asn1 decoder library",
first in 4.16)
[this one's been public for a while, I didn't get around to sending a
mail to oss-security about it]

virtual address 0 is mappable via privileged write() to /proc/*/mem

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