What is CVE-2017-5549?

CVE-2017-5549 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10. CVE-2017-5549 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2017-5549?

CVE-2017-5549 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Is there a patch available for CVE-2017-5549?

No patch is currently available for CVE-2017-5549. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2017-5549 actively exploited?

CVE-2017-5549 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2017-5549

Medium

The klsi_105_get_line_state function in drivers/usb/serial/kl5kusb105.c in the Linux kernel before 4.9.5 places uninitialized heap-memory contents into a log entry upon a failure to read the line status, which allows local users to obtain sensitive information by reading the log.

Package Linux Kernel

Published 2017-02-06

Last modified 2026-05-13

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-532

CVE-2017-5549 is classified as CWE-532

See CWE-532 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2017-5549 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
http://www.debian.org/security/2017/dsa-3791
Kernel.org
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5

Release Notes Vendor Advisory
Securityfocus
http://www.securityfocus.com/bid/95715

Third Party Advisory VDB Entry
Ubuntu Security
https://usn.ubuntu.com/3754-1/
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=146cc8a17a3b4996f6805ee5c080e7101277c410
Patch
Kernel patch commit
http://www.openwall.com/lists/oss-security/2017/01/21/3
Patch
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=1416114
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2017-5549

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.0

Published 2017-02-06

Modified 2026-05-13

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2017-5549?

CVE-2017-5549 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2017-5549 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2017-5549?

CVE-2017-5549 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Is there a patch available for CVE-2017-5549?

No patch is currently available for CVE-2017-5549. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2017-5549 actively exploited?

No — CVE-2017-5549 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.