Ubuntu Linux Kernel locking

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Ubuntu Linux. This impacts an unknown function of the component Kernel. Performing a manipulation results in locking. This vulnerability was named CVE-2023-2612. The attack needs to be approached locally. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as problematic has been found in Ubuntu Linux (Operating System) (the affected version is unknown). This affects an unknown code of the component Kernel. The manipulation with an unknown input leads to a locking vulnerability. CWE is classifying the issue as CWE-667. The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors. This is going to have an impact on availability. The summary by CVE is:

Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock).

The weakness was presented 05/31/2023. It is possible to read the advisory at git.launchpad.net. This vulnerability is uniquely identified as CVE-2023-2612 since 05/10/2023. The technical details are unknown and an exploit is not publicly available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.launchpad.net.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍

CNA Base Score: 4.4
CNA Vector (Canonical Ltd.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Locking
CWE: CWE-667
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.launchpad.net

Timelineinfo

05/10/2023 🔍
05/31/2023 +21 days 🔍
05/31/2023 +0 days 🔍
06/24/2023 +24 days 🔍

Sourcesinfo

Vendor: ubuntu.com

Advisory: USN-6122-1
Status: Confirmed

CVE: CVE-2023-2612 (🔍)
GCVE (CVE): GCVE-0-2023-2612
GCVE (VulDB): GCVE-100-230283

Entryinfo

Created: 05/31/2023 08:43
Updated: 06/24/2023 18:05
Changes: 05/31/2023 08:43 (49), 06/24/2023 17:57 (1), 06/24/2023 18:05 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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