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CVE-2023-52662 is a low-severity memory-leak flaw in the Linux kernel's VMware graphics driver, drm/vmwgfx. In vmw_gmrid_man_get_node, failure of ida_alloc_max can leave kmalloc-allocated memory and resources initialized through ttm_resource_init unfreed, potentially causing a local, low-privileged user to exhaust system memory and affect availability. The issue was introduced in Linux kernel 5.14 and has a CVSS v3.1 score of 5.5.
The flaw is fixed in upstream stable kernels 5.15.153, 6.1.83, 6.6.23, 6.7.11, 6.8.2, and 6.9. Red Hat released corrected standard and real-time kernel packages for RHEL 8 and standard kernel packages for RHEL 9, including RHEL 9.4 EUS; the RHEL 9 real-time kernel fix remains deferred. RHEL 6 and RHEL 7 kernel packages are outside support scope and should be treated as affected unless mitigated or upgraded. Organizations should deploy supported updated kernel packages and reboot affected hosts.
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6 events from the most recent confirmed update back to the earliest known activity.
Red Hat released RHSA-2024:5101 for the RHEL 8 kernel and RHSA-2024:5102 for the RHEL 8 real-time kernel, addressing CVE-2023-52662.
Zack Miele reported CVE-2023-52662 in Red Hat's tracker, and a Fedora-wide tracking bug was created for the issue.
Red Hat released RHSA-2025:9584 to address CVE-2023-52662 in the RHEL 9.4 Extended Update Support kernel.
Red Hat released RHSA-2024:9315 to remediate CVE-2023-52662 in the standard RHEL 9 kernel. The RHEL 9 kernel-rt fix remained deferred.
The Linux kernel CVE team assigned CVE-2023-52662 to the vmwgfx memory-leak vulnerability affecting vmw_gmrid_man_get_node.
A code change in Linux kernel 5.14 introduced a resource leak in the drm/vmwgfx driver's vmw_gmrid_man_get_node function when ida_alloc_max fails after resources are allocated.
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**CVE-2023-52648** is a moderate-severity flaw in the Linux kernel's VMware graphics driver, `drm/vmwgfx`, that can let a local user trigger a denial of service through a kernel null-pointer dereference. When a plane state changes, the driver can unreference a cached surface without clearing its mapped-state flag, leaving duplicated plane-state data inconsistent; cleanup can then crash the kernel. The issue was observed with KDE KWin 6.0 on Wayland and affects code introduced in Linux kernel 5.19. The defect is fixed in upstream Linux kernel versions 6.6.24, 6.7.12, 6.8.3, and 6.9-rc1. Red Hat assigned CVSS 3.1 score **5.5** and released corrected kernel packages for Red Hat Enterprise Linux 8 and 9, including RHEL 9.4 Extended Update Support; the RHEL 9 `kernel-rt` package remained affected, while RHEL 6 and 7 were outside support scope. Organizations should deploy current vendor kernel updates rather than cherry-picking the individual patch.
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**CVE-2023-5633** is a high-severity use-after-free flaw in the Linux kernel's `vmwgfx` graphics driver. Improper reference-count updates in surface memory-object handling—introduced through fixes for CVE-2023-33951 and CVE-2023-33952—can allow a local unprivileged attacker to escalate privileges in VMware guest systems with 3D acceleration enabled. Red Hat rates the issue CVSS 7.8 and maps it to CWE-911, improper update of reference count. The upstream remediation is commit `91398b413d03660fd5828f7b4abc64e884b98069`; Fedora included a fix in its 6.5.8 stable kernel update, and Red Hat released updated kernel packages for affected RHEL 8, RHEL 9, 8.8 EUS, and 9.2 EUS systems. RHEL 9 `kernel-rt` remains affected; organizations unable to patch should disable VMware 3D acceleration or prevent the `vmwgfx` module from loading.
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**CVE-2023-33951** is a moderate-severity race condition in the Linux kernel’s `vmwgfx` driver affecting its handling of GEM objects. Improper locking can allow a local, highly privileged attacker to disclose kernel-context information, with Red Hat also assessing a low availability impact. Red Hat assigned a CVSS v3.1 score of 6.7; NVD scored it 5.3, reflecting a higher assessed attack complexity. Red Hat released fixes through errata for affected Red Hat Enterprise Linux 8 and 9 kernel package streams between November 2023 and July 2024. RHEL 9 `kernel-rt` remains listed as affected. Organizations should apply the relevant kernel updates and, where patching is not immediately possible, prevent the `vmwgfx` kernel module from loading.
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