Is CVE-2011-1593 being actively exploited?

CVE-2011-1593 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-1593?

CVE-2011-1593 has a CVSS 2.0 base score of 4.9 (MEDIUM).

CVE-2011-1593

MEDIUM · CVSS 4.9EPSS 0.6%EU EUVD

Multiple integer overflows in the next_pidmap function in kernel/pid.c in the Linux kernel before 2.6.38.4 allow local users to cause a denial of service (system crash) via a crafted (1) getdents or (2) readdir system call.

Key facts

CVSS score: 4.9 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-190
EPSS score: 0.6% (46th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-1593)
Published: May 3, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-1593 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
linux / linux kernel
redhat / enterprise linux
redhat / enterprise linux aus
redhat / enterprise linux desktop
redhat / enterprise linux eus
redhat / enterprise linux server
redhat / enterprise linux workstation

Certified products that may be affected

8 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Red Hat Enterprise Linux libgcrypt Cryptographic Module v4.0 [1] and Red Hat Enterprise Linux libgcrypt Cryptographic Module v5.0 [2] - Red Hat®, Inc. - FIPS 140 2657 - historical
Red Hat Enterprise Linux Version 5.6 Virtualization with KVM - Red Hat, Inc. - Common Criteria BSI-DSZ-CC-0724-2012 - archived
Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical
Red Hat Enterprise Linux 5 OpenSSH Client Cryptographic Module - Red Hat®, Inc. - FIPS 140 1385 - historical
Red Hat Enterprise Linux 5 OpenSwan Cryptographic Module - Red Hat®, Inc. - FIPS 140 1386 - historical

See all 8 in the Security Certifications Explorer.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c78193e9c7bcbf25b8237ad0dec82f805c4ea69b
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d8bdc59f215e62098bc5b4256fd9928bf27053a1
http://groups.google.com/group/fa.linux.kernel/msg/4a28ecb7f755a88d?dmode=source(Exploit, Third Party Advisory)
http://openwall.com/lists/oss-security/2011/04/19/1(Mailing List, Patch, Third Party Advisory)
http://openwall.com/lists/oss-security/2011/04/20/1(Mailing List, Patch, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2011-0927.html(Third Party Advisory)
http://secunia.com/advisories/44164(Third Party Advisory, Vendor Advisory)
http://securitytracker.com/id?1025420(Third Party Advisory, VDB Entry)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.4(Release Notes, Vendor Advisory)
http://www.securityfocus.com/bid/47497(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-1146-1(Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=697822(Issue Tracking, Patch, Third Party Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/66876(Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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