What is CVE-2018-18445?

CVE-2018-18445 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Out-of-bounds Read flaw (CWE-125). CVE-2018-18445 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2018-18445?

CVE-2018-18445 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-2018-18445?

No patch is currently available for CVE-2018-18445. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2018-18445 actively exploited?

CVE-2018-18445 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Read (CWE-125)?

The product reads data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/125.html

CVE-2018-18445

High

In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjust_scalar_min_max_vals in kernel/bpf/verifier.c mishandles 32-bit right shifts.

Package Linux Kernel

Published 2018-10-17

Last modified 2024-11-21

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-125

CVE-2018-18445 is a Out-of-bounds Read vulnerability

What is Out-of-bounds Read?

The product reads data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2018-18445 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-2019:0512

Third Party Advisory
Red Hat
https://access.redhat.com/errata/RHSA-2019:0514

Third Party Advisory
Support
https://support.f5.com/csp/article/K38456756

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3832-1/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3835-1/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3847-1/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3847-2/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3847-3/

Third Party Advisory
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b799207e1e1816b09e7a5920fbb2d5fcf6edd681
Patch
Kernel patch commit
https://bugs.chromium.org/p/project-zero/issues/detail?id=1686
Patch
Kernel patch commit
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.75
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2018-18445

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2018-10-17

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2018-18445?

CVE-2018-18445 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Out-of-bounds Read flaw (CWE-125) . CVE-2018-18445 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2018-18445?

CVE-2018-18445 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-2018-18445?

No patch is currently available for CVE-2018-18445. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2018-18445 actively exploited?

No — CVE-2018-18445 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Out-of-bounds Read (CWE-125)?

The product reads data past the end or before the beginning of the intended buffer. View CWE-125 on MITRE CWE →