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CVE-2018-1000026

Publication date 9 February 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.7 · High

Score breakdown

Linux Linux kernel version at least v4.8 onwards, probably well before contains a Insufficient input validation vulnerability in bnx2x network card driver that can result in DoS: Network card firmware assertion takes card off-line. This attack appear to be exploitable via An attacker on a must pass a very large, specially crafted packet to the bnx2x card. This can be done from an untrusted guest VM..

From the Ubuntu Security Team

It was discovered that the Broadcom NetXtremeII ethernet driver in the Linux kernel did not properly validate Generic Segment Offload (GSO) packet sizes. An attacker could use this to cause a denial of service (interface unavailability).

Status

Package Ubuntu Release Status
linux 18.04 LTS bionic
Not affected
17.10 artful
Fixed 4.13.0-38.43
16.04 LTS xenial
Fixed 4.4.0-119.143
14.04 LTS trusty
Fixed 3.13.0-144.193
linux-armadaxp 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-aws 18.04 LTS bionic
Not affected
17.10 artful Not in release
16.04 LTS xenial
Fixed 4.4.0-1054.63
14.04 LTS trusty
Fixed 4.4.0-1016.16
linux-azure 18.04 LTS bionic
Not affected
17.10 artful Not in release
16.04 LTS xenial
Fixed 4.13.0-1014.17
14.04 LTS trusty
Not affected
linux-euclid 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
linux-flo 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
linux-gcp 18.04 LTS bionic
Not affected
17.10 artful Not in release
16.04 LTS xenial
Fixed 4.13.0-1012.16
14.04 LTS trusty Not in release
linux-gke 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
linux-goldfish 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
linux-grouper 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-hwe 18.04 LTS bionic
Not affected
17.10 artful Not in release
16.04 LTS xenial
Fixed 4.13.0-38.43~16.04.1
14.04 LTS trusty Not in release
linux-hwe-edge 18.04 LTS bionic
Fixed 4.18.0-8.9~18.04.1
17.10 artful Not in release
16.04 LTS xenial
Fixed 4.13.0-38.43~16.04.1
14.04 LTS trusty Not in release
linux-kvm 18.04 LTS bionic
Not affected
17.10 artful Not in release
16.04 LTS xenial
Fixed 4.4.0-1020.25
14.04 LTS trusty Not in release
linux-linaro-omap 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-linaro-shared 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-linaro-vexpress 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-quantal 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-raring 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-saucy 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-trusty 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-utopic 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-vivid 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Ignored
linux-lts-wily 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-xenial 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Fixed 4.4.0-119.143~14.04.1
linux-maguro 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-mako 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
linux-manta 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-oem 18.04 LTS bionic
Not affected
17.10 artful Not in release
16.04 LTS xenial
Fixed 4.13.0-1022.24
14.04 LTS trusty Not in release
linux-qcm-msm 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-raspi2 18.04 LTS bionic
Not affected
17.10 artful
Fixed 4.13.0-1016.17
16.04 LTS xenial
Fixed 4.4.0-1086.94
14.04 LTS trusty Not in release
linux-snapdragon 18.04 LTS bionic
Not affected
17.10 artful
Fixed 4.4.0-1088.93
16.04 LTS xenial
Fixed 4.4.0-1088.93
14.04 LTS trusty Not in release
linux-ti-omap4 18.04 LTS bionic Not in release
17.10 artful Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
linux

Severity score breakdown

Parameter Value
Base score 7.7 · High
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3620-2
    • Linux kernel (Trusty HWE) vulnerabilities
    • 5 April 2018
    • USN-3620-1
    • Linux kernel vulnerabilities
    • 4 April 2018
    • USN-3619-2
    • Linux kernel (Xenial HWE) vulnerabilities
    • 5 April 2018
    • USN-3619-1
    • Linux kernel vulnerabilities
    • 4 April 2018
    • USN-3617-3
    • Linux kernel (Raspberry Pi 2) vulnerabilities
    • 4 April 2018
    • USN-3617-1
    • Linux kernel vulnerabilities
    • 3 April 2018
    • USN-3617-2
    • Linux (HWE) vulnerabilities
    • 3 April 2018
    • USN-3632-1
    • Linux kernel (Azure) vulnerabilities
    • 24 April 2018

Other references