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Vulnerability Intelligence

CVE-2023-6039 | Mondoo Vulnerability Intelligence

CVE-2023-6039

MEDIUM5.5

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

Published Nov 9, 2023

Modified 10 months ago

No fix available

Details

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.

References

WEBhttps://access.redhat.com/security/cve/CVE-2023-6039 WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=2248755 WEBhttps://github.com/torvalds/linux/commit/1e7417c188d0a83fb385ba2dbe35fd2563f2b6f3 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2023-6039

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Weakness Type (CWE)

Memory Safety

Ecosystems

Timeline

PublishedNov 9, 2023

ModifiedFeb 27, 2025