What is CVE-2017-1000377?

CVE-2017-1000377 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.9 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2017-1000377 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2017-1000377?

CVE-2017-1000377 has a CVSS score of 5.9 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Is there a patch available for CVE-2017-1000377?

No patch is currently available for CVE-2017-1000377. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2017-1000377 actively exploited?

CVE-2017-1000377 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2017-1000377

Medium

An issue was discovered in the size of the default stack guard page on PAX Linux (originally from GRSecurity but shipped by other Linux vendors), specifically the default stack guard page is not sufficiently large and can be "jumped" over (the stack guard page is bypassed), this affects PAX Linux Kernel versions as of June 19, 2017 (specific version information is not available at this time).

Package Linux Kernel

Published 2017-06-19

Last modified 2026-05-13

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

5.9

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Vector string

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

Weakness type

CWE-119

CVE-2017-1000377 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2017-1000377 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/99129

Third Party Advisory VDB Entry
Red Hat
https://access.redhat.com/security/cve/CVE-2017-1000377

Broken Link
Qualys
https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt

Third Party Advisory

Details

CVE ID CVE-2017-1000377

Severity Medium

CVSS score 5.9 / 10

CVSS version 3.0

Published 2017-06-19

Modified 2026-05-13

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2017-1000377?

CVE-2017-1000377 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.9 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2017-1000377 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2017-1000377?

CVE-2017-1000377 has a CVSS score of 5.9 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Is there a patch available for CVE-2017-1000377?

No patch is currently available for CVE-2017-1000377. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2017-1000377 actively exploited?

No — CVE-2017-1000377 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →