5.5Medium

CVE-2023-6039Kernel: use-after-free in drivers/net/usb/lan78xx.c in lan78xx_disconnect

Kernel; Red Hat Red Hat Enterprise Linux 6; Red Hat Red Hat Enterprise Linux 7; Red Hat Red Hat Enterprise Linux 8 Published: 2023-11-09 18:08 (3 years ago)

Description

A use-after-free flaw was found in lan78xx_disconnect in drivers/net/usb/lan78xx.c in the network sub-component, net/usb/lan78xx in the Linux Kernel. This flaw allows a local attacker to crash the system when the LAN78XX USB device detaches.

Weakness (CWE): CWE-416

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
Fedora	Fedora	—
Red Hat	Red Hat Enterprise Linux 6	—
Red Hat	Red Hat Enterprise Linux 7	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 9	—
—	Kernel	fixed 6.5-rc5

References and patches

https://access.redhat.com/security/cve/CVE-2023-6039 vdb-entry
RHBZ#2248755 issue-tracking
https://github.com/torvalds/linux/commit/1e7417c188d0a83fb385ba2dbe35fd2563f2b6f3

CVSS score

5.5Medium

Source: redhat · CVSS 3.1

Attack vector: Local
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

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

EPSS (chance of exploitation in 30 days)

0.27%

higher than 20% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: partial

Timeline

ID reserved2023-11-08
Published2023-11-09 18:08
Reached IP-DB2026-10-24 23:52
Last updated2025-02-27 23:34

Assigned by (CNA): redhat

View at source: CVE.org · NVD

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