Memory leak in btrfs_get_dev_args_from_path()
CVE-2023-4394

6.7MEDIUM

Key Information:

Vendor

Red Hat
Status
Kernel
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
17 August 2023

What is CVE-2023-4394?

A use-after-free flaw was found in btrfs_get_dev_args_from_path in fs/btrfs/volumes.c in btrfs file-system in the Linux Kernel. This flaw allows a local attacker with special privileges to cause a system crash or leak internal kernel information

Affected Version(s)

Kernel 6.0-rc3

References

https://access.redhat.com/security/cve/CVE-2023-4394
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2219263
issue-trackingx_refsource_REDHAT
https://patchwork.kernel.org/project/linux-btrfs/patch/20...

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.