What is CVE-2018-19854?

CVE-2018-19854 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10, classified as a Information Exposure flaw (CWE-200). CVE-2018-19854 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2018-19854?

CVE-2018-19854 has a CVSS score of 4.7 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

Is there a patch available for CVE-2018-19854?

No patch is currently available for CVE-2018-19854. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2018-19854 actively exploited?

CVE-2018-19854 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/200.html

CVE-2018-19854

Medium

An issue was discovered in the Linux kernel before 4.19.3. crypto_report_one() and related functions in crypto/crypto_user.c (the crypto user configuration API) do not fully initialize structures that are copied to userspace, potentially leaking sensitive memory to user programs. NOTE: this is a CVE-2013-2547 regression but with easier exploitability because the attacker does not need a capability (however, the system must have the CONFIG_CRYPTO_USER kconfig option).

Package Linux Kernel

Published 2018-12-04

Last modified 2024-11-21

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

4.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-200

CVE-2018-19854 is a Information Exposure vulnerability

What is Information Exposure?

The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2018-19854 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Red Hat
https://access.redhat.com/errata/RHSA-2019:3309
Red Hat
https://access.redhat.com/errata/RHSA-2019:3517
Kernel.org
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.3

Vendor Advisory
Ubuntu Security
https://usn.ubuntu.com/3872-1/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3878-1/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3878-2/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3901-1/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3901-2/

Third Party Advisory
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f43f39958beb206b53292801e216d9b8a660f087
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/f43f39958beb206b53292801e216d9b8a660f087
Patch

Details

CVE ID CVE-2018-19854

Severity Medium

CVSS score 4.7 / 10

CVSS version 3.0

Published 2018-12-04

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2018-19854?

CVE-2018-19854 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2018-19854 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2018-19854?

CVE-2018-19854 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
Is there a patch available for CVE-2018-19854?

No patch is currently available for CVE-2018-19854. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2018-19854 actively exploited?

No — CVE-2018-19854 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →