CVE-2011-1593

kernel: proc: signedness issue in next_pidmap()

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Múltiples desbordamientos de entero en la función next_pidmap en kernel/pid.c en el kernel de Linux antes de v2.6.38.4 permiten a usuarios locales causar una denegación de servicio (por caída del sistema) a través de una llamada al sistema (1) getdents o (2) readdir.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-04-05 CVE Reserved
2011-05-03 CVE Published
2024-08-06 CVE Updated
2024-08-06 First Exploit
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-190: Integer Overflow or Wraparound

CAPEC

References (14)

URL	Tag	Source
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c78193e9c7bcbf25b8237ad0dec82f805c4ea69b	X_refsource_confirm
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d8bdc59f215e62098bc5b4256fd9928bf27053a1	X_refsource_confirm
http://securitytracker.com/id?1025420	Third Party Advisory
http://www.securityfocus.com/bid/47497	Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66876	Third Party Advisory

URL	Date	SRC
http://groups.google.com/group/fa.linux.kernel/msg/4a28ecb7f755a88d?dmode=source	2024-08-06

URL	Date	SRC
http://openwall.com/lists/oss-security/2011/04/19/1	2023-02-13
http://openwall.com/lists/oss-security/2011/04/20/1	2023-02-13
https://bugzilla.redhat.com/show_bug.cgi?id=697822	2011-09-12

URL	Date	SRC
http://rhn.redhat.com/errata/RHSA-2011-0927.html	2023-02-13
http://secunia.com/advisories/44164	2023-02-13
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.4	2023-02-13
http://www.ubuntu.com/usn/USN-1146-1	2023-02-13
https://access.redhat.com/security/cve/CVE-2011-1593	2011-09-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 2.6.38.4 Search vendor "Linux" for product "Linux Kernel" and version " < 2.6.38.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				5.0 Search vendor "Redhat" for product "Enterprise Linux" and version "5.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Aus Search vendor "Redhat" for product "Enterprise Linux Aus"				5.6 Search vendor "Redhat" for product "Enterprise Linux Aus" and version "5.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				5.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "5.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				5.6 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "5.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				5.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "5.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				5.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "5.0"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				8.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "8.04"		lts		Affected