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CVE-2015-5257

15
FAUCET Score

CVE-2015-5257 describes a NULL pointer dereference vulnerability in the Linux kernel (before version 4.2.4), specifically within the drivers/usb/serial/whiteheat.c component, affecting Linux systems. A physically proximate attacker can exploit this by connecting a specially crafted USB device, leading to a denial of service (system crash/OOPS) or potentially other unspecified impacts. The vulnerability has a CVSS score of 4.9, indicating a low attack complexity and requiring local access, with a high impact on availability. There is no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.45%
Probability of exploitation in next 30 days
EPSS Percentile
36.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 68th percentile among its peer group of 3,052 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Patches (7)

github_advisoryvendor investigatingvia nvd_reference
View patch
redhatvendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel

Vendor Advisories (1)

redhatCVE-2015-5257Low

kernel: NULL pointer dereference in USB WhiteHEAT serial driver

Sep 22, 2015

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
bugzilla.redhat.com / show_bug.cgi
Vendor Advisory
github.com / torvalds/linux/commit/cbb4be652d374f64661137756b8f357a1827d6a4
Vendor Advisory
debian.org / security/2015/dsa-3372
kernel.org / pub/linux/kernel/v4.x/ChangeLog-4.2.4
openwall.com / lists/oss-security/2015/09/23/1
securityfocus.com / bid/76834
ubuntu.com / usn/USN-2792-1
ubuntu.com / usn/USN-2794-1
ubuntu.com / usn/USN-2795-1
ubuntu.com / usn/USN-2798-1
ubuntu.com / usn/USN-2799-1