Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-434u-5z1z-3uf9
Vulnerability ID VCID-434u-5z1z-3uf9
Aliases CVE-2023-6039
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-6039.json
cvssv3.1 5.5 https://access.redhat.com/security/cve/CVE-2023-6039
ssvc Track https://access.redhat.com/security/cve/CVE-2023-6039
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2023-6039
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2023-6039
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2023-6039
cvssv3.1 5.5 https://bugzilla.redhat.com/show_bug.cgi?id=2248755
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2248755
cvssv3.1 6.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.5 https://github.com/torvalds/linux/commit/1e7417c188d0a83fb385ba2dbe35fd2563f2b6f3
ssvc Track https://github.com/torvalds/linux/commit/1e7417c188d0a83fb385ba2dbe35fd2563f2b6f3
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-6039.json
https://api.first.org/data/v1/epss?cve=CVE-2023-6039
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1e7417c188d0a83fb385ba2dbe35fd2563f2b6f3 https://github.com/torvalds/linux/commit/1e7417c188d0a83fb385ba2dbe35fd2563f2b6f3
2248755 https://bugzilla.redhat.com/show_bug.cgi?id=2248755
cpe:/o:redhat:enterprise_linux:6 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:9
CVE-2023-6039 https://access.redhat.com/security/cve/CVE-2023-6039
USN-6534-1 https://usn.ubuntu.com/6534-1/
USN-6534-2 https://usn.ubuntu.com/6534-2/
USN-6534-3 https://usn.ubuntu.com/6534-3/
USN-6626-1 https://usn.ubuntu.com/6626-1/
USN-6626-2 https://usn.ubuntu.com/6626-2/
USN-6626-3 https://usn.ubuntu.com/6626-3/
USN-6628-1 https://usn.ubuntu.com/6628-1/
USN-6628-2 https://usn.ubuntu.com/6628-2/
USN-6706-1 https://usn.ubuntu.com/6706-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-6039.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/security/cve/CVE-2023-6039
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-02-26T21:48:20Z/ Found at https://access.redhat.com/security/cve/CVE-2023-6039
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://bugzilla.redhat.com/show_bug.cgi?id=2248755
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-02-26T21:48:20Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2248755
Vector: CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/torvalds/linux/commit/1e7417c188d0a83fb385ba2dbe35fd2563f2b6f3
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-02-26T21:48:20Z/ Found at https://github.com/torvalds/linux/commit/1e7417c188d0a83fb385ba2dbe35fd2563f2b6f3
Exploit Prediction Scoring System (EPSS)
Percentile 0.05378
EPSS Score 0.00019
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:49:38.100022+00:00 Debian Importer Import https://security-tracker.debian.org/tracker/data/json 38.6.0