Linux Kernel 3.18 CVE-2014-8480 Fix resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 3.18 and classified as problematic. This issue affects some unknown processing of the component CVE-2014-8480 Fix. The manipulation leads to resource management. The identification of this vulnerability is CVE-2014-8481. There is no exploit available. It is recommended to upgrade the affected component. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability has been found in Linux Kernel 3.18 (Operating System) and classified as problematic. This vulnerability affects an unknown functionality of the component CVE-2014-8480 Fix. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability.

The weakness was disclosed 10/24/2014 by Andy Lutomirski as confirmed mailinglist post (oss-sec). The advisory is available at seclists.org. This vulnerability was named CVE-2014-8481 since 10/24/2014. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The advisory points out:

I also discovered that Nadav's fix was incomplete (or that there was another bug, depending on your perspective). Certain invalid instructions (due to multiple error cases, including a failure to fetch part of the instruction or due to the instruction being too long) could trigger the same NULL pointer dereference.

The vulnerability scanner Nessus provides a plugin with the ID 78814 (Fedora 21 : kernel-3.17.2-300.fc21 (2014-14126)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 122939 (Fedora Security Update for kernel (FEDORA-2014-1412)).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (97751), Tenable (78814), SecurityFocus (BID 70712†), Secunia (SA62042†) and Vulnerability Center (SBV-46771†). The entry VDB-68061 is pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 78814
Nessus Name: Fedora 21 : kernel-3.17.2-300.fc21 (2014-14126)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: a430c9166312e1aa3d80bce32374233bdbfeba32

Timelineinfo

10/24/2014 🔍
10/24/2014 +0 days 🔍
10/24/2014 +0 days 🔍
10/24/2014 +0 days 🔍
10/26/2014 +2 days 🔍
10/27/2014 +1 days 🔍
11/03/2014 +7 days 🔍
11/10/2014 +7 days 🔍
02/23/2022 +2662 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: a430c9166312e1aa3d80bce32374233bdbfeba32
Researcher: Andy Lutomirski
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-8481 (🔍)
GCVE (CVE): GCVE-0-2014-8481
GCVE (VulDB): GCVE-100-68062
X-Force: 97751 - Linux Kernel denial of service, Medium Risk
SecurityFocus: 70712 - Linux Kernel KVM CVE-2014-8481 Incomplete Fix Denial of Service Vulnerability
Secunia: 62042 - Linux Kernel KVM Instruction Decoding Failure Handling Denial of Service Vulnerability, Not Critical
Vulnerability Center: 46771 - Linux Kernel 3.17 and Earlier Local DoS via Crafted Instructions - CVE-2014-8481, Medium

See also: 🔍

Entryinfo

Created: 10/27/2014 09:27 AM
Updated: 02/23/2022 05:45 PM
Changes: 10/27/2014 09:27 AM (73), 06/10/2017 09:27 AM (4), 02/23/2022 05:37 PM (6), 02/23/2022 05:45 PM (1)
Complete: 🔍
Cache ID: 18:410:40

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