What is CVE-2019-11683?

CVE-2019-11683 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10, classified as a Out-of-bounds Write flaw (CWE-787). CVE-2019-11683 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2019-11683?

CVE-2019-11683 has a CVSS score of 9.8 out of 10, rated Critical severity. The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2019-11683?

No patch is currently available for CVE-2019-11683. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2019-11683 actively exploited?

CVE-2019-11683 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2019-11683

Critical

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.

Package Linux Kernel

Published 2019-05-02

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

9.8

out of 10

Critical

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-787

CVE-2019-11683 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2019-11683 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Openwall
http://www.openwall.com/lists/oss-security/2019/05/02/1

Mailing List Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2019/05/05/4

Mailing List Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/108142

Third Party Advisory VDB Entry
Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.13

Vendor Advisory
Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7CYLTCIRTKUB4R2TLLUYPZLDQL44OBG/
Security
https://security.netapp.com/advisory/ntap-20190517-0002/

Third Party Advisory
Support
https://support.f5.com/csp/article/K69550896

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3979-1/

Third Party Advisory
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=4dd2b82d5adfbe0b1587ccad7a8f76d826120f37
Patch
Kernel patch commit
https://www.spinics.net/lists/netdev/msg568315.html
Patch

Details

CVE ID CVE-2019-11683

Severity Critical

CVSS score 9.8 / 10

CVSS version 3.1

Published 2019-05-02

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2019-11683?

CVE-2019-11683 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . CVE-2019-11683 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2019-11683?

CVE-2019-11683 has a CVSS score of 9.8 out of 10, rated Critical severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2019-11683?

No patch is currently available for CVE-2019-11683. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2019-11683 actively exploited?

No — CVE-2019-11683 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. View CWE-787 on MITRE CWE →