CWE
416
Advisory Published
Updated

CVE-2020-27820: Use After Free

First published: Tue Nov 03 2020(Updated: )

A vulnerability was found in kernel, where a use-after-frees in nouveau's postclose() handler could happen if removing device (that is not common to remove video card physically without power-off, but same happens if "unbind" the driver).

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

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<0:4.18.0-372.9.1.rt7.166.el8
0:4.18.0-372.9.1.rt7.166.el8
redhat/kernel<0:4.18.0-372.9.1.el8
0:4.18.0-372.9.1.el8
Linux Linux kernel
Fedoraproject Fedora=33
Linux Linux kernel>2.6.12<5.4.162
Linux Linux kernel>5.5<5.10.82
Linux Linux kernel>5.11<5.15.5
Linux Linux kernel=2.6.12
Linux Linux kernel=2.6.12-rc2
Linux Linux kernel=2.6.12-rc3
Linux Linux kernel=2.6.12-rc4
Linux Linux kernel=2.6.12-rc5
Linux Linux kernel=2.6.12-rc6
Oracle Communications Cloud Native Core Binding Support Function=22.1.3
Oracle Communications Cloud Native Core Network Exposure Function=22.1.1
Oracle Communications Cloud Native Core Policy=22.2.0
ubuntu/linux<5.4.0-110.124
5.4.0-110.124
ubuntu/linux<5.13.0-28.31
5.13.0-28.31
ubuntu/linux<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux<4.4.0-224.257
4.4.0-224.257
ubuntu/linux-aws<5.4.0-1073.78
5.4.0-1073.78
ubuntu/linux-aws<5.13.0-1012.13
5.13.0-1012.13
ubuntu/linux-aws<4.4.0-1104.109
4.4.0-1104.109
ubuntu/linux-aws<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-aws<4.4.0-1140.154
4.4.0-1140.154
ubuntu/linux-aws-5.0<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-aws-5.11<5.11.0-1028.31~20.04.1
5.11.0-1028.31~20.04.1
ubuntu/linux-aws-5.11<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-aws-5.13<5.13.0-1012.13~20.04.1
5.13.0-1012.13~20.04.1
ubuntu/linux-aws-5.13<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-aws-5.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-aws-5.3<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-aws-5.4<5.4.0-1075.80~18.04.1
5.4.0-1075.80~18.04.1
ubuntu/linux-aws-5.4<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-aws-5.8<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-aws-6.5<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-aws-fips<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-aws-hwe<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-azure<5.4.0-1078.81
5.4.0-1078.81
ubuntu/linux-azure<5.13.0-1013.15
5.13.0-1013.15
ubuntu/linux-azure<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-azure-4.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-azure-5.11<5.11.0-1028.31~20.04.2
5.11.0-1028.31~20.04.2
ubuntu/linux-azure-5.11<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-azure-5.13<5.13.0-1013.15~20.04.1
5.13.0-1013.15~20.04.1
ubuntu/linux-azure-5.13<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-azure-5.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-azure-5.3<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-azure-5.4<5.4.0-1078.81~18.04.1
5.4.0-1078.81~18.04.1
ubuntu/linux-azure-5.4<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-azure-6.5<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-azure-edge<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-azure-fde<5.4.0-1078.81
5.4.0-1078.81
ubuntu/linux-azure-fde<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-azure-fde-5.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-azure-fips<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-bluefield<5.4.0-1040.44
5.4.0-1040.44
ubuntu/linux-bluefield<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-dell300x<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-fips<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gcp<5.4.0-1073.78
5.4.0-1073.78
ubuntu/linux-gcp<5.13.0-1013.16
5.13.0-1013.16
ubuntu/linux-gcp<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gcp-4.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gcp-5.11<5.11.0-1029.33~20.04.3
5.11.0-1029.33~20.04.3
ubuntu/linux-gcp-5.11<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gcp-5.13<5.13.0-1013.16~20.04.1
5.13.0-1013.16~20.04.1
ubuntu/linux-gcp-5.13<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gcp-5.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gcp-5.3<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gcp-5.4<5.4.0-1073.78~18.04.1
5.4.0-1073.78~18.04.1
ubuntu/linux-gcp-5.8<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gcp-6.5<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gcp-edge<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gcp-fips<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gke<5.4.0-1071.76
5.4.0-1071.76
ubuntu/linux-gke<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gke-4.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gke-5.0<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gke-5.3<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gke-5.4<5.4.0-1071.76~18.04.3
5.4.0-1071.76~18.04.3
ubuntu/linux-gke-5.4<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gkeop<5.4.0-1040.41
5.4.0-1040.41
ubuntu/linux-gkeop<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gkeop-5.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-gkeop-5.4<5.4.0-1040.41~18.04.1
5.4.0-1040.41~18.04.1
ubuntu/linux-gkeop-5.4<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-hwe<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-hwe-5.11<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-hwe-5.13<5.13.0-28.31~20.04.1
5.13.0-28.31~20.04.1
ubuntu/linux-hwe-5.13<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-hwe-5.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-hwe-5.4<5.4.0-110.124~18.04.1
5.4.0-110.124~18.04.1
ubuntu/linux-hwe-5.4<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-hwe-5.8<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-hwe-6.5<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-hwe-edge<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-ibm<5.4.0-1021.23
5.4.0-1021.23
ubuntu/linux-ibm<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-ibm-5.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-ibm-5.4<5.4.0-1021.23~18.04.1
5.4.0-1021.23~18.04.1
ubuntu/linux-ibm-5.4<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-intel<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-intel-5.13<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-intel-iotg<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-intel-iotg-5.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-iot<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-kvm<5.4.0-1063.66
5.4.0-1063.66
ubuntu/linux-kvm<5.13.0-1011.12
5.13.0-1011.12
ubuntu/linux-kvm<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-kvm<4.4.0-1105.114
4.4.0-1105.114
ubuntu/linux-laptop<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-lowlatency<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-lowlatency-hwe-5.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-lowlatency-hwe-6.5<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-lts-trusty<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-lts-xenial<4.4.0-224.257~14.04.1
4.4.0-224.257~14.04.1
ubuntu/linux-lts-xenial<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-nvidia<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-nvidia-6.5<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oem<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oem-5.10<5.10.0-1053.55
5.10.0-1053.55
ubuntu/linux-oem-5.10<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oem-5.13<5.13.0-1029.36
5.13.0-1029.36
ubuntu/linux-oem-5.13<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oem-5.14<5.14.0-1022.24
5.14.0-1022.24
ubuntu/linux-oem-5.17<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oem-5.6<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oem-6.5<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oem-6.8<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oem-osp1<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oracle<5.4.0-1071.77
5.4.0-1071.77
ubuntu/linux-oracle<5.13.0-1016.20
5.13.0-1016.20
ubuntu/linux-oracle<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oracle-5.0<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oracle-5.11<5.11.0-1028.31~20.04.1
5.11.0-1028.31~20.04.1
ubuntu/linux-oracle-5.11<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oracle-5.13<5.13.0-1016.20~20.04.1
5.13.0-1016.20~20.04.1
ubuntu/linux-oracle-5.13<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oracle-5.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oracle-5.3<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-oracle-5.4<5.4.0-1071.77~18.04.1
5.4.0-1071.77~18.04.1
ubuntu/linux-oracle-6.5<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-raspi<5.4.0-1060.68
5.4.0-1060.68
ubuntu/linux-raspi<5.13.0-1016.18
5.13.0-1016.18
ubuntu/linux-raspi<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-raspi-5.4<5.4.0-1060.68~18.04.1
5.4.0-1060.68~18.04.1
ubuntu/linux-raspi-5.4<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-raspi2<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-raspi2-5.3<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-riscv<5.13.0-1011.12
5.13.0-1011.12
ubuntu/linux-riscv<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-riscv-5.11<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-riscv-5.15<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-riscv-5.8<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-riscv-6.5<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-snapdragon<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-starfive<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-starfive-6.5<5.16~<5.15.5
5.16~
5.15.5
ubuntu/linux-xilinx-zynqmp<5.16~<5.15.5
5.16~
5.15.5
debian/linux
5.10.218-1
6.1.94-1
6.1.90-1
6.9.8-1
6.9.9-1

Remedy

To mitigate this issue, prevent the module nouveau from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically.

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203