high
7.8
CWE
416
EPSS
0.043%
Advisory Published
CVE Published
Updated

CVE-2023-5633: Kernel: vmwgfx: reference count issue leads to use-after-free in surface handling

First published: Mon Oct 23 2023(Updated: )

Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a use-after-free flaw in the way memory objects were handled. By sending a specially crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges.

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
IBM QRadar SIEM<=7.5 - 7.5.0 UP8 IF01
Linux Linux kernel<6.6
Linux Linux kernel=6.6-rc1
Linux Linux kernel=6.6-rc2
Linux Linux kernel=6.6-rc3
Linux Linux kernel=6.6-rc4
Linux Linux kernel=6.6-rc5
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux=9.0
redhat/kernel<6.6
6.6
ubuntu/linux<6.5.0-13.13
6.5.0-13.13
ubuntu/linux<6.6~
6.6~
ubuntu/linux-aws<6.5.0-1010.10
6.5.0-1010.10
ubuntu/linux-aws<6.6~
6.6~
ubuntu/linux-aws-5.15<6.6~
6.6~
ubuntu/linux-aws-5.4<6.6~
6.6~
ubuntu/linux-aws-6.2<6.6~
6.6~
ubuntu/linux-aws-6.5<6.5.0-1010.10~22.04.1
6.5.0-1010.10~22.04.1
ubuntu/linux-aws-6.5<6.6~
6.6~
ubuntu/linux-aws-fips<6.6~
6.6~
ubuntu/linux-aws-hwe<6.6~
6.6~
ubuntu/linux-azure<6.5.0-1009.9
6.5.0-1009.9
ubuntu/linux-azure<6.6~
6.6~
ubuntu/linux-azure-4.15<6.6~
6.6~
ubuntu/linux-azure-5.15<6.6~
6.6~
ubuntu/linux-azure-5.4<6.6~
6.6~
ubuntu/linux-azure-6.2<6.6~
6.6~
ubuntu/linux-azure-6.5<6.5.0-1009.9~22.04.1
6.5.0-1009.9~22.04.1
ubuntu/linux-azure-6.5<6.6~
6.6~
ubuntu/linux-azure-fde<6.6~
6.6~
ubuntu/linux-azure-fde-5.15<6.6~
6.6~
ubuntu/linux-azure-fde-6.2<6.6~
6.6~
ubuntu/linux-azure-fips<6.6~
6.6~
ubuntu/linux-bluefield<6.6~
6.6~
ubuntu/linux-fips<6.6~
6.6~
ubuntu/linux-gcp<6.5.0-1009.9
6.5.0-1009.9
ubuntu/linux-gcp<6.6~
6.6~
ubuntu/linux-gcp-4.15<6.6~
6.6~
ubuntu/linux-gcp-5.15<6.6~
6.6~
ubuntu/linux-gcp-5.19<6.6~
6.6~
ubuntu/linux-gcp-5.4<6.6~
6.6~
ubuntu/linux-gcp-6.5<6.6~
6.6~
ubuntu/linux-gcp-fips<6.6~
6.6~
ubuntu/linux-gke<6.6~
6.6~
ubuntu/linux-gkeop<6.6~
6.6~
ubuntu/linux-gkeop-5.15<6.6~
6.6~
ubuntu/linux-hwe<6.6~
6.6~
ubuntu/linux-hwe-5.15<6.6~
6.6~
ubuntu/linux-hwe-5.4<6.6~
6.6~
ubuntu/linux-hwe-6.2<6.6~
6.6~
ubuntu/linux-hwe-6.5<6.6~
6.6~
ubuntu/linux-ibm<6.6~
6.6~
ubuntu/linux-ibm-5.15<6.6~
6.6~
ubuntu/linux-ibm-5.4<6.6~
6.6~
ubuntu/linux-intel<6.6~
6.6~
ubuntu/linux-intel-iot-realtime<6.6~
6.6~
ubuntu/linux-intel-iotg<6.6~
6.6~
ubuntu/linux-intel-iotg-5.15<6.6~
6.6~
ubuntu/linux-iot<6.6~
6.6~
ubuntu/linux-kvm<6.6~
6.6~
ubuntu/linux-laptop<6.5.0-1006.9
6.5.0-1006.9
ubuntu/linux-laptop<6.6~
6.6~
ubuntu/linux-lowlatency<6.5.0-13.13.1
6.5.0-13.13.1
ubuntu/linux-lowlatency<6.6~
6.6~
ubuntu/linux-lowlatency-hwe-5.15<6.6~
6.6~
ubuntu/linux-lowlatency-hwe-6.2<6.6~
6.6~
ubuntu/linux-lowlatency-hwe-6.5<6.6~
6.6~
ubuntu/linux-lowlatency-hwe-6.8<6.6~
6.6~
ubuntu/linux-lts-xenial<6.6~
6.6~
ubuntu/linux-nvidia<6.6~
6.6~
ubuntu/linux-nvidia-6.2<6.6~
6.6~
ubuntu/linux-nvidia-6.5<6.5.0-1007.7
6.5.0-1007.7
ubuntu/linux-nvidia-6.5<6.6~
6.6~
ubuntu/linux-nvidia-6.8<6.6~
6.6~
ubuntu/linux-nvidia-lowlatency<6.6~
6.6~
ubuntu/linux-oem-6.1<6.1.0-1035.35
6.1.0-1035.35
ubuntu/linux-oem-6.1<6.6~
6.6~
ubuntu/linux-oem-6.5<6.5.0-1008.8
6.5.0-1008.8
ubuntu/linux-oem-6.5<6.6~
6.6~
ubuntu/linux-oem-6.8<6.6~
6.6~
ubuntu/linux-oracle<6.5.0-1012.12
6.5.0-1012.12
ubuntu/linux-oracle<6.6~
6.6~
ubuntu/linux-oracle-5.15<6.6~
6.6~
ubuntu/linux-oracle-5.4<6.6~
6.6~
ubuntu/linux-oracle-6.5<6.6~
6.6~
ubuntu/linux-raspi<6.5.0-1007.9
6.5.0-1007.9
ubuntu/linux-raspi<6.7.0-1001.1
6.7.0-1001.1
ubuntu/linux-raspi<6.6~
6.6~
ubuntu/linux-raspi-5.4<6.6~
6.6~
ubuntu/linux-raspi-realtime<6.6~
6.6~
ubuntu/linux-realtime<6.6~
6.6~
ubuntu/linux-riscv<6.5.0-13.13.1
6.5.0-13.13.1
ubuntu/linux-riscv<6.6~
6.6~
ubuntu/linux-riscv-5.15<6.6~
6.6~
ubuntu/linux-riscv-6.5<6.6~
6.6~
ubuntu/linux-riscv-6.8<6.6~
6.6~
ubuntu/linux-starfive<6.5.0-1004.5
6.5.0-1004.5
ubuntu/linux-starfive<6.6~
6.6~
ubuntu/linux-starfive-6.2<6.6~
6.6~
ubuntu/linux-starfive-6.5<6.6~
6.6~
ubuntu/linux-xilinx-zynqmp<6.6~
6.6~
debian/linux
5.10.223-1
6.1.106-3
6.1.99-1
6.10.6-1
6.10.7-1

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=2245663

Remedy

https://git.kernel.org/linus/a950b989ea29ab3b38ea7f6e3d2540700a3c54e8

Remedy

https://git.kernel.org/linus/91398b413d03660fd5828f7b4abc64e884b98069

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-5633?

    CVE-2023-5633 is a vulnerability that involves a reference count issue leading to a use-after-free in surface handling.

  • What is the severity of CVE-2023-5633?

    CVE-2023-5633 has a severity rating of 7.8, which is considered high.

  • What software is affected by CVE-2023-5633?

    The affected software is the Red Hat kernel version up to exclusive 6.6.

  • How can I fix the CVE-2023-5633 vulnerability?

    To fix the CVE-2023-5633 vulnerability, you need to update your Red Hat kernel to a version higher than 6.6.

  • What is the Common Weakness Enumeration (CWE) for CVE-2023-5633?

    The CVE-2023-5633 vulnerability is associated with CWE-416, which is a use-after-free vulnerability.

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