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CVE-2015-1593

17
FAUCET Score

CVE-2015-1593 is a stack randomization flaw in the Linux kernel prior to version 3.19.1 on 64-bit platforms. This vulnerability, affecting the Linux kernel, stems from incorrect data types in bitwise left-shift operations, making it easier for attackers to predict the stack's top address and bypass ASLR. With a CVSS score of 5.0, it presents a network-based attack vector with low complexity, potentially leading to information disclosure. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered some community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.18.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:x64:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.81%
Probability of exploitation in next 30 days
EPSS Percentile
88.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0381 is in the 85th percentile among its peer group of 23,723 CVEs.

Social Chatter

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

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

Remediation

Remediation records are not available for this CVE.

References

git.kernel.org
hmarco.org / bugs/linux-ASLR-integer-overflow.html
Exploit
lists.opensuse.org / opensuse-security-announce/2015-04/msg00009.html
lists.opensuse.org / opensuse-security-announce/2015-04/msg00015.html
rhn.redhat.com / errata/RHSA-2015-1137.html
rhn.redhat.com / errata/RHSA-2015-1138.html
rhn.redhat.com / errata/RHSA-2015-1221.html
access.redhat.com / errata/RHSA-2019:3517
bugzilla.redhat.com / show_bug.cgi
github.com / torvalds/linux/commit/4e7c22d447bb6d7e37bfe39ff658486ae78e8d77
Exploit
lkml.org / lkml/2015/1/7/811
debian.org / security/2015/dsa-3170
kernel.org / pub/linux/kernel/v3.x/ChangeLog-3.19.1
Vendor Advisory
openwall.com / lists/oss-security/2015/02/13/13
securityfocus.com / bid/72607
ubuntu.com / usn/USN-2560-1
ubuntu.com / usn/USN-2561-1
ubuntu.com / usn/USN-2562-1
ubuntu.com / usn/USN-2563-1
ubuntu.com / usn/USN-2564-1
ubuntu.com / usn/USN-2565-1