Linux Kernel libbpf net/core/sock_map.c __sock_map_delete/sock_hash_delete_elem deadlock

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel. It has been rated as critical. Impacted is the function __sock_map_delete/sock_hash_delete_elem of the file net/core/sock_map.c of the component libbpf. The manipulation leads to deadlock. This vulnerability is listed as CVE-2023-0160. The attack must be carried out locally. There is no available exploit. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System). It has been rated as critical. This issue affects the function __sock_map_delete/sock_hash_delete_elem of the file net/core/sock_map.c of the component libbpf. The manipulation with an unknown input leads to a deadlock vulnerability. Using CWE to declare the problem leads to CWE-833. The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock. Impacted is availability.

The weakness was presented 07/11/2023. The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2023-0160 since 01/10/2023. An attack has to be approached locally. Technical details are known, but no exploit is available.

Applying the patch ed17aa92dc56 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

rapid7.com is providing further details. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Linux Kernel
  • Huawei EulerOS

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.7
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Deadlock
CWE: CWE-833 / 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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ed17aa92dc56

Timelineinfo

01/10/2023 🔍
07/11/2023 +181 days 🔍
07/11/2023 +0 days 🔍
07/27/2023 +16 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-0160 (🔍)
GCVE (CVE): GCVE-0-2023-0160
GCVE (VulDB): GCVE-100-233513
Misc.: 🔍

Entryinfo

Created: 07/11/2023 07:54
Updated: 07/27/2023 15:24
Changes: 07/11/2023 07:54 (38), 07/18/2023 20:38 (27), 07/27/2023 15:17 (1), 07/27/2023 15:24 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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