CVE-2023-2006

Description

A race condition was found in the Linux kernel's RxRPC network protocol, within the processing of RxRPC bundles. This issue results from the lack of proper locking when performing operations on an object. This may allow an attacker to escalate privileges and execute arbitrary code in the context of the kernel.

CVSS Metrics

• v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 0.03%• Percentile: 9%

Techniques & Countermeasures

• CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

  The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Affected Systems

• linux•linux_kernel

  ≥ 5.10, < 5.10.157 | ≥ 5.11, < 5.15.81 | ≥ 5.16, < 6.0.11

• netapp•hci_baseboard_management_controller

  h300s | h410c | h410s | h500s | h700s

References (4)

• https://bugzilla.redhat.com/show_bug.cgi?id=2189112
• https://www.zerodayinitiative.com/advisories/ZDI-23-439/
• https://github.com/torvalds/linux/commit/3bcd6c7eaa53
• https://security.netapp.com/advisory/ntap-20230609-0004/