What is CVE-2019-19039?

CVE-2019-19039 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10. CVE-2019-19039 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2019-19039?

CVE-2019-19039 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Is there a patch available for CVE-2019-19039?

No patch is currently available for CVE-2019-19039. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2019-19039 actively exploited?

CVE-2019-19039 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2019-19039

Medium

__btrfs_free_extent in fs/btrfs/extent-tree.c in the Linux kernel through 5.3.12 calls btrfs_print_leaf in a certain ENOENT case, which allows local users to obtain potentially sensitive information about register values via the dmesg program. NOTE: The BTRFS development team disputes this issues as not being a vulnerability because “1) The kernel provide facilities to restrict access to dmesg - dmesg_restrict=1 sysctl option. So it's really up to the system administrator to judge whether dmesg access shall be disallowed or not. 2) WARN/WARN_ON are widely used macros in the linux kernel. If this CVE is considered valid this would mean there are literally thousands CVE lurking in the kernel - something which clearly is not the case.

Package Linux Kernel

Published 2019-11-21

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-532

CVE-2019-19039 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-2019-19039 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

GitHub
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19039

Exploit Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html

Mailing List Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/4414-1/

Third Party Advisory

Details

CVE ID CVE-2019-19039

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2019-11-21

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2019-19039?

CVE-2019-19039 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2019-19039 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2019-19039?

CVE-2019-19039 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Is there a patch available for CVE-2019-19039?

No patch is currently available for CVE-2019-19039. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2019-19039 actively exploited?

No — CVE-2019-19039 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.