CVE-2012-1090

kernel: cifs: dentry refcount leak when opening a FIFO on lookup leads to panic on unmount

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The cifs_lookup function in fs/cifs/dir.c in the Linux kernel before 3.2.10 allows local users to cause a denial of service (OOPS) via attempted access to a special file, as demonstrated by a FIFO.

La función cifs_lookup en fs/cifs/dir.c en el núcleo de Linux anteriores a v3.2.10 permite a usuarios locales causar una denegación de servicio (OOPS) a través de intentos de acceso a un archivo especial, como lo demuestra un FIFO.

*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

Adjacent

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

2012-02-14 CVE Reserved
2012-03-28 CVE Published
2023-03-08 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (11)

URL	Tag	Source
http://secunia.com/advisories/48842	Broken Link
http://secunia.com/advisories/48964	Broken Link

URL	Date	SRC

URL	Date	SRC
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10	2021-07-15
http://www.openwall.com/lists/oss-security/2012/02/28/4	2021-07-15
https://bugzilla.redhat.com/show_bug.cgi?id=798293	2012-04-17
https://github.com/torvalds/linux/commit/88d7d4e4a439f32acc56a6d860e415ee71d3df08	2021-07-15

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html	2021-07-15
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html	2021-07-15
http://rhn.redhat.com/errata/RHSA-2012-0481.html	2021-07-15
http://rhn.redhat.com/errata/RHSA-2012-0531.html	2021-07-15
https://access.redhat.com/security/cve/CVE-2012-1090	2012-04-17

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"				< 3.2.10 Search vendor "Linux" for product "Linux Kernel" and version " < 3.2.10"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Mrg Search vendor "Redhat" for product "Enterprise Mrg"				2.0 Search vendor "Redhat" for product "Enterprise Mrg" and version "2.0"		-		Affected
Suse Search vendor "Suse"		Linux Enterprise Desktop Search vendor "Suse" for product "Linux Enterprise Desktop"				11 Search vendor "Suse" for product "Linux Enterprise Desktop" and version "11"		sp1		Affected
Suse Search vendor "Suse"		Linux Enterprise Desktop Search vendor "Suse" for product "Linux Enterprise Desktop"				11 Search vendor "Suse" for product "Linux Enterprise Desktop" and version "11"		sp2		Affected
Suse Search vendor "Suse"		Linux Enterprise High Availability Extension Search vendor "Suse" for product "Linux Enterprise High Availability Extension"				11 Search vendor "Suse" for product "Linux Enterprise High Availability Extension" and version "11"		sp1		Affected
Suse Search vendor "Suse"		Linux Enterprise High Availability Extension Search vendor "Suse" for product "Linux Enterprise High Availability Extension"				11 Search vendor "Suse" for product "Linux Enterprise High Availability Extension" and version "11"		sp2		Affected
Suse Search vendor "Suse"		Linux Enterprise Server Search vendor "Suse" for product "Linux Enterprise Server"				11 Search vendor "Suse" for product "Linux Enterprise Server" and version "11"		sp1		Affected
Suse Search vendor "Suse"		Linux Enterprise Server Search vendor "Suse" for product "Linux Enterprise Server"				11 Search vendor "Suse" for product "Linux Enterprise Server" and version "11"		sp1, vmware		Affected
Suse Search vendor "Suse"		Linux Enterprise Server Search vendor "Suse" for product "Linux Enterprise Server"				11 Search vendor "Suse" for product "Linux Enterprise Server" and version "11"		sp2, vmware		Affected
Suse Search vendor "Suse"		Linux Enterprise Server Search vendor "Suse" for product "Linux Enterprise Server"				11 Search vendor "Suse" for product "Linux Enterprise Server" and version "11"		sp2		Affected