UBUNTU-CVE-2016-8632

HIGH7.8

The tipc_msg_build function in net/tipc/msg.c in the Linux kernel through 4.8.11 does not validate the relationship between the minimum fragment length and the maximum packet size, which allows local

Published Nov 27, 2016

Modified 8 months ago

Fix available

Details

The tipc_msg_build function in net/tipc/msg.c in the Linux kernel through 4.8.11 does not validate the relationship between the minimum fragment length and the maximum packet size, which allows local users to gain privileges or cause a denial of service (heap-based buffer overflow) by leveraging the CAP_NET_ADMIN capability.

Affected Packages(144 packages)

linux

Ubuntu 22.04 LTS

Fixed in:

5.13.0-19.19

linux

Ubuntu 20.04 LTS

Affected versions:

5.3.0-18.195.3.0-24.26

Fixed in:

5.4.0-9.12

linux

Ubuntu 24.04 LTS

Fixed in:

6.5.0-9.9

linux

Ubuntu 24.10

Fixed in:

6.8.0-31.31

linux

Ubuntu 16.04 LTS

Affected versions:

4.2.0-16.194.2.0-17.214.2.0-19.234.3.0-1.104.3.0-2.114.3.0-5.164.3.0-6.174.3.0-7.184.4.0-10.254.4.0-11.26+42 more

Fixed in:

4.4.0-79.100

linux

Ubuntu 14.04 LTS

Affected versions:

3.11.0-12.193.12.0-1.33.12.0-2.53.12.0-2.73.12.0-3.83.12.0-3.93.12.0-4.103.12.0-4.123.12.0-5.133.12.0-7.15+112 more

Fixed in:

3.13.0-135.184

linux

Ubuntu 18.04 LTS

Fixed in:

4.13.0-16.19

linux-aws

Ubuntu 22.04 LTS

Fixed in:

5.13.0-1005.6

linux-aws

Ubuntu 14.04 LTS

Fixed in:

4.4.0-1002.2

linux-aws

Ubuntu 16.04 LTS

Affected versions:

4.4.0-1001.104.4.0-1003.124.4.0-1004.134.4.0-1007.164.4.0-1009.184.4.0-1011.204.4.0-1012.214.4.0-1013.224.4.0-1016.254.4.0-1017.26

Fixed in:

4.4.0-1018.27

References

https://ubuntu.com/security/CVE-2016-8632

https://ubuntu.com/security/notices/USN-3190-1

https://ubuntu.com/security/notices/USN-3190-2

https://ubuntu.com/security/notices/USN-3312-1

https://ubuntu.com/security/notices/USN-3312-2

https://ubuntu.com/security/notices/USN-3470-1

https://ubuntu.com/security/notices/USN-3470-2

https://www.cve.org/CVERecord?id=CVE-2016-8632

https://www.mail-archive.com/netdev@vger.kernel.org/msg133205.html

CVSS Analysis

CVSS v3.1

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Related

CVE-2016-8632 USN-3190-1 USN-3190-2 USN-3312-1 USN-3312-2 USN-3470-1 USN-3470-2

Ecosystems(28)

Ubuntu 22.04 LTS Ubuntu 20.04 LTS Ubuntu 24.04 LTS Ubuntu 24.10 Ubuntu 16.04 LTS

Timeline

PublishedNov 27, 2016

ModifiedJun 24, 2025

UBUNTU-CVE-2016-8632 | Mondoo Vulnerability Intelligence