Linux Kernel up to 4.14.10 kernel/trace/trace.c allocate_trace_buffer double free

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Linux Kernel up to 4.14.10. This affects the function allocate_trace_buffer of the file kernel/trace/trace.c. Performing a manipulation results in double free. This vulnerability is identified as CVE-2017-18595. The attack is only possible with local access. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 4.14.10 (Operating System). This affects the function allocate_trace_buffer of the file kernel/trace/trace.c. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in the Linux kernel before 4.14.11. A double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c.

The weakness was released 09/04/2019 (Website). It is possible to read the advisory at lists.opensuse.org. This vulnerability is uniquely identified as CVE-2017-18595 since 09/04/2019. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 208643 (CentOS 7 : kernel-alt (RHSA-2020:2104)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.11 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208643). Entry connected to this vulnerability is available at VDB-141232. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
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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Nessus ID: 208643
Nessus Name: CentOS 7 : kernel-alt (RHSA-2020:2104)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.14.11
Patch: git.kernel.org

Timelineinfo

09/04/2019 🔍
09/04/2019 +0 days 🔍
09/05/2019 +1 days 🔍
10/12/2024 +1864 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: lists.opensuse.org
Status: Not defined

CVE: CVE-2017-18595 (🔍)
GCVE (CVE): GCVE-0-2017-18595
GCVE (VulDB): GCVE-100-141231
See also: 🔍

Entryinfo

Created: 09/05/2019 07:17
Updated: 10/12/2024 05:18
Changes: 09/05/2019 07:17 (59), 08/12/2020 12:24 (1), 12/11/2023 14:47 (4), 10/12/2024 05:18 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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