CVE-2012-0879

The I/O implementation for block devices in the Linux kernel before 2.6.33 does not properly handle the CLONE_IO feature, which allows local users to cause a denial of service (I/O instability) by starting multiple processes that share an I/O context.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.33	Broken Link
http://www.openwall.com/lists/oss-security/2012/02/23/5	Mailing List Third Party Advisory
https://github.com/torvalds/linux/commit/61cc74fbb87af6aa551a06a370590c9bc07e29d9	Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=796829	Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/b69f2292063d2caf37ca9aec7d63ded203701bf3	Patch Third Party Advisory
http://secunia.com/advisories/48545	Not Applicable
http://www.ubuntu.com/usn/USN-1410-1	Third Party Advisory
http://www.ubuntu.com/usn/USN-1408-1	Third Party Advisory
http://secunia.com/advisories/48842	Not Applicable
http://www.securitytracker.com/id?1027086	Third Party Advisory VDB Entry
http://rhn.redhat.com/errata/RHSA-2012-0531.html	Third Party Advisory
http://marc.info/?l=bugtraq&m=139447903326211&w=2	Mailing List Third Party Advisory
http://www.ubuntu.com/usn/USN-1411-1	Third Party Advisory
http://www.debian.org/security/2012/dsa-2469	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html	Mailing List Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-0481.html	Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b69f2292063d2caf37ca9aec7d63ded203701bf3
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=61cc74fbb87af6aa551a06a370590c9bc07e29d9

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*

Configuration 4 (hide)

OR	cpe:2.3:o:suse:linux_enterprise_server:11:sp1::::vmware::*
	cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1::::::
	cpe:2.3:o:suse:linux_enterprise_server:11:sp1::::::
	cpe:2.3:o:suse:linux_enterprise_server:11:sp2::::::
	cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2::::::
	cpe:2.3:o:suse:linux_enterprise_high_availability_extension:11:sp1::::::

Information

Published : 2012-05-17 04:00

Updated : 2023-02-12 16:23

NVD link : CVE-2012-0879

Mitre link : CVE-2012-0879

JSON object : View

CWE

CWE-400

Uncontrolled Resource Consumption

Products Affected

suse

linux_enterprise_desktop
linux_enterprise_high_availability_extension
linux_enterprise_server

canonical

ubuntu_linux

linux

linux_kernel

debian

debian_linux

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.33", "name": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.33", "tags": ["Broken Link"], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2012/02/23/5", "name": "[oss-security] 20120223 Re: CVE request -- kernel: block: CLONE_IO io_context refcounting issues", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://github.com/torvalds/linux/commit/61cc74fbb87af6aa551a06a370590c9bc07e29d9", "name": "https://github.com/torvalds/linux/commit/61cc74fbb87af6aa551a06a370590c9bc07e29d9", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=796829", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=796829", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://github.com/torvalds/linux/commit/b69f2292063d2caf37ca9aec7d63ded203701bf3", "name": "https://github.com/torvalds/linux/commit/b69f2292063d2caf37ca9aec7d63ded203701bf3", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://secunia.com/advisories/48545", "name": "48545", "tags": ["Not Applicable"], "refsource": "SECUNIA"}, {"url": "http://www.ubuntu.com/usn/USN-1410-1", "name": "USN-1410-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-1408-1", "name": "USN-1408-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://secunia.com/advisories/48842", "name": "48842", "tags": ["Not Applicable"], "refsource": "SECUNIA"}, {"url": "http://www.securitytracker.com/id?1027086", "name": "1027086", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "SECTRACK"}, {"url": "http://rhn.redhat.com/errata/RHSA-2012-0531.html", "name": "RHSA-2012:0531", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "http://marc.info/?l=bugtraq&m=139447903326211&w=2", "name": "HPSBGN02970", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "HP"}, {"url": "http://www.ubuntu.com/usn/USN-1411-1", "name": "USN-1411-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://www.debian.org/security/2012/dsa-2469", "name": "DSA-2469", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html", "name": "SUSE-SU-2012:0616", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://rhn.redhat.com/errata/RHSA-2012-0481.html", "name": "RHSA-2012:0481", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b69f2292063d2caf37ca9aec7d63ded203701bf3", "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b69f2292063d2caf37ca9aec7d63ded203701bf3", "tags": [], "refsource": "MISC"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=61cc74fbb87af6aa551a06a370590c9bc07e29d9", "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=61cc74fbb87af6aa551a06a370590c9bc07e29d9", "tags": [], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The I/O implementation for block devices in the Linux kernel before 2.6.33 does not properly handle the CLONE_IO feature, which allows local users to cause a denial of service (I/O instability) by starting multiple processes that share an I/O context."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-400"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2012-0879", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}}, "publishedDate": "2012-05-17T11:00Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.6.33"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:vmware:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:linux_enterprise_high_availability_extension:11:sp1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-02-13T00:23Z"}

5.5 /10

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9 /10

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

JSON object

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