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OpenAdvisories
Medium · 6.7 CVE-2023-33951 EUVD-2023-38087GHSA-2764-3pqr-49w6

Kernel: vmwgfx: race condition leading to information disclosure vulnerability

Published Jul 24, 2023 · Updated Nov 6, 2026 · Assigned by redhat

Vendor: Red Hat Product: Red Hat Enterprise Linux 6 Product: Red Hat Enterprise Linux 7 Product: Red Hat Enterprise Linux 8 Product: Red Hat Enterprise Linux 8.8 Extended Update Support Product: Red Hat Enterprise Linux 9 Product: Red Hat Enterprise Linux 9.2 Extended Update Support Package: hyperv-daemons Package: kernel Package: linux Package: linux-allwinner-5.19 Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.8 Package: linux-azure Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.8 Package: linux-azure-edge Package: linux-azure-fde-5.19 Package: linux-gcp Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.8 Package: linux-gke-4.15 Package: linux-gke-5.4 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.19 Package: linux-hwe-5.8 Package: linux-hwe-edge Package: linux-intel-5.13 Package: linux-lowlatency-hwe-5.19 Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.3 Package: linux-oracle-5.8 Package: linux-raspi2 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-starfive-5.19 Platform: Linux Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

A race condition vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within the handling of GEM objects. The issue results from improper locking when performing operations on an object. This flaw allows a local privileged user to disclose information in the context of the kernel.

Affected products

VendorProductAffectedFixed
Red Hat Red Hat Enterprise Linux 8 — —
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support — —
Red Hat Red Hat Enterprise Linux 9 — —
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support — —
Red Hat Red Hat Enterprise Linux 6 — —
Red Hat Red Hat Enterprise Linux 7 — —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 6.1.15-1 —
Debian 13 linux 6.1.15-1 —
Debian 12 linux 6.1.15-1 —
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS linux-allwinner-5.19 5.19.0-1012.12~22.04.1 —
Ubuntu 22.04 LTS linux-aws-5.19 5.19.0-1025.26~22.04.1 —
Ubuntu 22.04 LTS linux-gcp-5.19 5.19.0-1024.26~22.04.1 —
Ubuntu 22.04 LTS linux-hwe-5.19 5.19.0-42.43~22.04.1 —
Ubuntu 22.04 LTS linux-lowlatency-hwe-5.19 5.19.0-1024.25~22.04.1 —
Ubuntu 22.04 LTS linux-oem-6.1 6.1.0-1008.8 —
Ubuntu 22.04 LTS linux-riscv +4 No fix yet —
Ubuntu 22.04 LTS linux-riscv-5.19 5.19.0-1018.19~22.04.1 —
Ubuntu 22.04 LTS linux-starfive-5.19 5.19.0-1017.19~22.04.1 —
Ubuntu 20.04 LTS linux-riscv +23 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
ReleasePackageFixed inAdvisory
RHEL 9 bpftool 7.2.0-362.8.1.el9_3 RHSA-2023:6583
RHEL 9 rv +64 5.14.0-362.8.1.el9_3 RHSA-2023:6583
RHEL 8 kernel-rt +12 4.18.0-513.5.1.rt7.307.el8_9 RHSA-2023:6901
RHEL 8 perf +26 4.18.0-513.5.1.el8_9 RHSA-2023:7077
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
RHEL 9.2 EUS bpftool 7.0.0-284.75.1.el9_2 RHSA-2024:4823
RHEL 9.2 EUS kernel-rt +14 5.14.0-284.75.1.rt14.360.el9_2 RHSA-2024:4831
RHEL 9.2 EUS perf +48 5.14.0-284.75.1.el9_2 RHSA-2024:4823
RHEL 8.8 EUS perf +26 4.18.0-477.51.1.el8_8 RHSA-2024:1404

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 8 perf +24 4.18.0-513.5.1.el8_9 ALSA-2023:7077
ReleasePackageFixed inAdvisory
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.7.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1, SUSE-SU-2023:2871-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.3.1 SUSE-SU-2023:2646-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.7.1.150500.6.2.5 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1, SUSE-SU-2023:2871-1
Show 5 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.91.1.150500.6.41.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SLES for SAP 15 SP5 kernel-docs +4 5.14.21-150500.55.91.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SLE Micro 5.5 kernel-default 5.14.21-150500.55.91.1 SUSE-SU-2025:0201-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.91.1.150500.6.41.1 SUSE-SU-2025:0201-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.82.1 SUSE-SU-2025:0229-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.7.1 SUSE-SU-2025:0201-1, SUSE-SU-2023:2871-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5-RT_Update_1 1-150500.11.5.1 SUSE-SU-2023:2809-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_1 1-150500.11.7.1 SUSE-SU-2023:2871-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_22 1-150500.11.3.1 SUSE-SU-2025:0201-1
SLE HPC 15 SP5 kernel-64kb +5 5.14.21-150500.55.91.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.91.1.150500.6.41.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.5.1 SUSE-SU-2023:2809-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.5 dtb-aarch64 +10 5.14.21-150500.55.7.1 SUSE-SU-2023:2871-1
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.3.1 SUSE-SU-2023:2646-1
openSUSE Leap 15.5 kernel-default-base 5.14.21-150500.55.7.1.150500.6.2.5 SUSE-SU-2023:2871-1
openSUSE Leap 15.5 kernel-rt +3 5.14.21-150500.13.5.1 SUSE-SU-2023:2809-1

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) hyperv-daemons 5.15.158.1-1 —
Azure Linux 2 (CBL-Mariner) kernel 5.15.135.1-2 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 bpftool 7.2.0-362.8.1.el9_3 ELSA-2023-6583
Oracle Linux 9 rv +25 5.14.0-362.8.1.el9_3 ELSA-2023-6583
Oracle Linux 8 perf +19 4.18.0-513.5.1.el8_9 ELSA-2023-7077

Advisories 17

References