Linux Kernel up to 4.12 arch_timer.h resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Linux Kernel up to 4.12. Impacted is an unknown function of the file arch/arm64/include/asm/arch_timer.h. Such manipulation leads to resource management. This vulnerability is listed as CVE-2017-18261. The attack must be carried out locally. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 4.12 (Operating System). Affected by this issue is an unknown function of the file arch/arm64/include/asm/arch_timer.h. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

The arch_timer_reg_read_stable macro in arch/arm64/include/asm/arch_timer.h in the Linux kernel before 4.13 allows local users to cause a denial of service (infinite recursion) by writing to a file under /sys/kernel/debug in certain circumstances, as demonstrated by a scenario involving debugfs, ftrace, PREEMPT_TRACER, and FUNCTION_GRAPH_TRACER.

The bug was discovered 08/11/2017. The weakness was presented 04/19/2018 (Website). The advisory is available at git.kernel.org. This vulnerability is handled as CVE-2017-18261 since 04/19/2018. Local access is required to approach this attack. The successful exploitation requires a simple authentication. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 251 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.13 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.13
Patch: git.kernel.org

Timelineinfo

08/11/2017 🔍
04/19/2018 +250 days 🔍
04/19/2018 +0 days 🔍
04/19/2018 +0 days 🔍
04/21/2018 +2 days 🔍
03/03/2023 +1777 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: adb4f11e0a8f4e29900adb2b7af28b6bbd5c1fa4
Status: Not defined

CVE: CVE-2017-18261 (🔍)
GCVE (CVE): GCVE-0-2017-18261
GCVE (VulDB): GCVE-100-116858

Entryinfo

Created: 04/21/2018 16:12
Updated: 03/03/2023 13:24
Changes: 04/21/2018 16:12 (60), 01/29/2020 20:58 (1), 03/03/2023 13:24 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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