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A flaw was found in libvirt. The virStoragePoolObjListSearch function does not return a locked pool as expected, resulting in a race condition and denial of service when attempting to lock the same object from another thread. This issue could allow clients connecting to the read-only socket to crash the libvirt daemon.

CVE-2023-3750 is a vulnerability identified in the libvirt virtualization management library used in Red Hat Enterprise Linux 9. The issue stems from the virStoragePoolObjListSearch function, which is responsible for searching storage pools and is expected to return a locked pool object to ensure thread-safe operations. However, due to improper locking implementation, the function does not lock the pool as intended, resulting in a race condition when multiple threads attempt to lock the same storage pool object simultaneously. This race condition can cause the libvirt daemon to crash, leading to a denial of service (DoS) condition. The vulnerability affects the availability of virtualization management services but does not compromise confidentiality or integrity. Exploitation requires local privileges with some level of authentication (PR:L) but does not require user interaction (UI:N). The attack vector is network-based (AV:N) but limited to clients connecting to the read-only socket of libvirt. The CVSS v3.1 base score is 6.5, indicating a medium severity level. No known exploits have been reported in the wild, but the flaw poses a risk to environments relying on libvirt for virtualization management, especially those with multi-threaded access to storage pools. Since libvirt is a critical component in managing virtual machines and storage pools, a crash can disrupt virtualized workloads and services.

Detailed information about CVE-2023-3750: Improper Locking in Red Hat Red Hat Enterprise Linux 9 affecting Red Hat Red Hat Enterprise Linux 9. Get real-time upd

CVE-2023-3750: Improper Locking in Red Hat Red Hat Enterprise Linux 9 - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2023-3750: Improper Locking in Red Hat Red Hat Enterprise Linux 9

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