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CVE-2015-4003

24
FAUCET Score

CVE-2015-4003 describes a denial-of-service vulnerability affecting the OZWPAN driver in the Linux kernel (through version 4.0.5). A remote attacker can exploit a divide-by-zero error in the oz_usb_handle_ep_data function by sending a crafted packet, leading to a system crash. This vulnerability has a high CVSS score of 7.8, indicating a critical impact on availability with low attack complexity and no authentication required. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.4, < 3.4.109CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.5, < 3.10.81CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.11, < 3.12.45CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.13, < 3.14.45CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.15, < 3.16.35CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.85%
Probability of exploitation in next 30 days
EPSS Percentile
92.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0585 is in the 87th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2015-4003Moderate

kernel: ozwpan: divide-by-zero in the softirq path

May 13, 2015

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
Vendor Advisory
lists.opensuse.org / opensuse-security-announce/2015-08/msg00011.html
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2015/06/05/7
Mailing ListThird Party Advisory
github.com / torvalds/linux/commit/04bf464a5dfd9ade0dda918e44366c2c61fce80b
Vendor Advisory
securityfocus.com / bid/74668
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2665-1
Third Party Advisory
ubuntu.com / usn/USN-2667-1
Third Party Advisory