CVE-2024-39500
kernel: sock_map: avoid race between sock_map_close and sk_psock_put
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 12, 2024
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's sock_map component. A local attacker could exploit a race condition between the sock_map_close and sk_psock_put functions. This race condition can lead to a null pointer dereference, which triggers a kernel warning and may result in a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')