CVE-2019-19319

Medium

In the Linux kernel before 5.2, a setxattr operation, after a mount of a crafted ext4 image, can cause a slab-out-of-bounds write access because of an ext4_xattr_set_entry use-after-free in fs/ext4/xattr.c when a large old_size value is used in a memset call, aka CID-345c0dbf3a30.

Package Linux Kernel
Published 2019-11-27
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

6.5

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Weakness type

CWE-416

CVE-2019-19319 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

References

10 total
Showing 5 of 10 references View all on NVD

Frequently asked questions

  • What is CVE-2019-19319?

    CVE-2019-19319 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.5 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2019-19319 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2019-19319?

    CVE-2019-19319 has a CVSS score of 6.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2019-19319?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2019-19319 patch availability.

  • Is CVE-2019-19319 actively exploited?

    No. CVE-2019-19319 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Back to
All CVEs
View on
NVD / NIST