What is CVE-2017-7308?

CVE-2017-7308 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Incorrect Conversion Between Numeric Types flaw (CWE-681). CVE-2017-7308 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2017-7308?

CVE-2017-7308 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2017-7308?

No patch is currently available for CVE-2017-7308. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2017-7308 actively exploited?

CVE-2017-7308 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Incorrect Conversion Between Numeric Types (CWE-681)?

The product converts from one data type to another but uses a function that can produce incorrect results. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/681.html

CVE-2017-7308

High

The packet_set_ring function in net/packet/af_packet.c in the Linux kernel through 4.10.6 does not properly validate certain block-size data, which allows local users to cause a denial of service (integer signedness error and out-of-bounds write), or gain privileges (if the CAP_NET_RAW capability is held), via crafted system calls.

Package Linux Kernel

Published 2017-03-29

Last modified 2026-05-13

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-681

CVE-2017-7308 is a Incorrect Conversion Between Numeric Types vulnerability

What is Incorrect Conversion Between Numeric Types?

The product converts from one data type to another but uses a function that can produce incorrect results. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2017-7308 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Securityfocus
http://www.securityfocus.com/bid/97234

Third Party Advisory VDB Entry
Red Hat
https://access.redhat.com/errata/RHSA-2017:1297

Third Party Advisory
Red Hat
https://access.redhat.com/errata/RHSA-2017:1298

Third Party Advisory
Red Hat
https://access.redhat.com/errata/RHSA-2017:1308

Third Party Advisory
Red Hat
https://access.redhat.com/errata/RHSA-2018:1854

Third Party Advisory
Googleprojectzero
https://googleprojectzero.blogspot.com/2017/05/exploiting-linux-kernel-via-packet.html

Third Party Advisory
Patchwork
https://patchwork.ozlabs.org/patch/744811/

Third Party Advisory
Patchwork
https://patchwork.ozlabs.org/patch/744812/

Third Party Advisory
Patchwork
https://patchwork.ozlabs.org/patch/744813/

Third Party Advisory
Source
https://source.android.com/security/bulletin/2017-07-01

Third Party Advisory
Exploit-DB
https://www.exploit-db.com/exploits/41994/

Third Party Advisory VDB Entry
Exploit-DB
https://www.exploit-db.com/exploits/44654/

Third Party Advisory VDB Entry

Details

CVE ID CVE-2017-7308

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2017-03-29

Modified 2026-05-13

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2017-7308?

CVE-2017-7308 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Incorrect Conversion Between Numeric Types flaw (CWE-681) . CVE-2017-7308 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2017-7308?

CVE-2017-7308 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2017-7308?

No patch is currently available for CVE-2017-7308. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2017-7308 actively exploited?

No — CVE-2017-7308 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Incorrect Conversion Between Numeric Types (CWE-681)?

The product converts from one data type to another but uses a function that can produce incorrect results. View CWE-681 on MITRE CWE →