CVE-2019-11683 Information

Description

udp_gro_receive_segment in net/ipv4/udp_offload.c in the Linux kernel 5.x before 5.0.13 allows remote attackers to cause a denial of service (slab-out-of-bounds memory corruption) or possibly have unspecified other impact via UDP packets with a 0 payload because of mishandling of padded packets aka the \GRO packet of death\ issue.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.openwall.com/lists/oss-security/2019/05/02/1 http://www.openwall.com/lists/oss-security/2019/05/05/4 http://www.securityfocus.com/bid/108142 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.13 https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=4dd2b82d5adfbe0b1587ccad7a8f76d826120f37 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z7CYLTCIRTKUB4R2TLLUYPZLDQL44OBG/ https://security.netapp.com/advisory/ntap-20190517-0002/ https://support.f5.com/csp/article/K69550896 https://usn.ubuntu.com/3979-1/ https://www.spinics.net/lists/netdev/msg568315.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8