Linux Kernel up to 5.3.12 fs/btrfs/extent-tree.c __btrfs_free_extent information disclosure ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.3.12. It has been rated as problematic. Affected is the function __btrfs_free_extent of the file fs/btrfs/extent-tree.c. Performing a manipulation results in information disclosure. This vulnerability was named CVE-2019-19039. The attack needs to be approached locally. There is no available exploit. It is still unclear if this vulnerability genuinely exists.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.3.12 (Operating System). It has been classified as problematic. This affects the function __btrfs_free_extent of the file fs/btrfs/extent-tree.c. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

__btrfs_free_extent in fs/btrfs/extent-tree.c in the Linux kernel through 5.3.12 calls btrfs_print_leaf in a certain ENOENT case, which allows local users to obtain potentially sensitive information about register values via the dmesg program.

The weakness was presented 11/21/2019. This vulnerability is uniquely identified as CVE-2019-19039 since 11/17/2019. An attack has to be approached locally. The successful exploitation requires a authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-146012 and VDB-146011 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/17/2019 🔍
11/21/2019 +4 days 🔍
11/21/2019 +0 days 🔍
08/05/2024 +1719 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-4414-1
Status: Not defined
Disputed: 🔍

CVE: CVE-2019-19039 (🔍)
GCVE (CVE): GCVE-0-2019-19039
GCVE (VulDB): GCVE-100-146013
See also: 🔍

Entryinfo

Created: 11/21/2019 08:22
Updated: 08/05/2024 06:49
Changes: 11/21/2019 08:22 (38), 11/21/2019 08:27 (18), 02/26/2024 07:42 (4), 08/05/2024 06:49 (17)
Complete: 🔍
Cache ID: 216::103

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