high
7.8
CWE
416
Advisory Published
Updated

CVE-2023-3389: Use After Free

First published: Wed Jun 28 2023(Updated: )

A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation. Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer. We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).

Credit: cve-coordination@google.com cve-coordination@google.com cve-coordination@google.com

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel>=5.10.162<5.10.185
Linux Linux kernel>=5.13<6.4
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=20.04
Canonical Ubuntu Linux=22.04
Debian Debian Linux=10.0
Debian Debian Linux=11.0
ubuntu/linux<5.15.0-78.85
5.15.0-78.85
ubuntu/linux<6.2.0-26.26
6.2.0-26.26
ubuntu/linux<6.4
6.4
ubuntu/linux-allwinner<6.4
6.4
ubuntu/linux-allwinner-5.19<6.4
6.4
ubuntu/linux-aws<5.15.0-1040.45
5.15.0-1040.45
ubuntu/linux-aws<6.2.0-1008.8
6.2.0-1008.8
ubuntu/linux-aws<6.4
6.4
ubuntu/linux-aws-5.0<6.4
6.4
ubuntu/linux-aws-5.15<5.15.0-1040.45~20.04.1
5.15.0-1040.45~20.04.1
ubuntu/linux-aws-5.15<6.4
6.4
ubuntu/linux-aws-5.19<5.19.0-1029.30~22.04.1
5.19.0-1029.30~22.04.1
ubuntu/linux-aws-5.19<6.4
6.4
ubuntu/linux-aws-5.4<6.4
6.4
ubuntu/linux-aws-6.2<6.4
6.4
ubuntu/linux-aws-hwe<6.4
6.4
ubuntu/linux-azure<5.15.0-1042.49
5.15.0-1042.49
ubuntu/linux-azure<6.2.0-1008.8
6.2.0-1008.8
ubuntu/linux-azure<6.4
6.4
ubuntu/linux-azure-4.15<6.4
6.4
ubuntu/linux-azure-5.15<5.15.0-1042.49~20.04.1
5.15.0-1042.49~20.04.1
ubuntu/linux-azure-5.15<6.4
6.4
ubuntu/linux-azure-5.4<6.4
6.4
ubuntu/linux-azure-6.2<6.4
6.4
ubuntu/linux-azure-edge<6.4
6.4
ubuntu/linux-azure-fde<5.15.0-1042.49
5.15.0-1042.49
ubuntu/linux-azure-fde<6.4
6.4
ubuntu/linux-azure-fde-5.15<5.15.0-1042.49~20.04.1
5.15.0-1042.49~20.04.1
ubuntu/linux-azure-fde-5.15<6.4
6.4
ubuntu/linux-azure-fde-5.19<6.4
6.4
ubuntu/linux-azure-fde-6.2<6.4
6.4
ubuntu/linux-bluefield<6.4
6.4
ubuntu/linux-dell300x<6.4
6.4
ubuntu/linux-fips<6.4
6.4
ubuntu/linux-gcp<5.15.0-1038.46
5.15.0-1038.46
ubuntu/linux-gcp<6.2.0-1010.10
6.2.0-1010.10
ubuntu/linux-gcp<6.4
6.4
ubuntu/linux-gcp-4.15<6.4
6.4
ubuntu/linux-gcp-5.15<5.15.0-1038.46~20.04.1
5.15.0-1038.46~20.04.1
ubuntu/linux-gcp-5.15<6.4
6.4
ubuntu/linux-gcp-5.19<5.19.0-1030.32~22.04.1
5.19.0-1030.32~22.04.1
ubuntu/linux-gcp-5.19<6.4
6.4
ubuntu/linux-gcp-5.4<6.4
6.4
ubuntu/linux-gke<5.15.0-1038.43
5.15.0-1038.43
ubuntu/linux-gke<6.4
6.4
ubuntu/linux-gke-4.15<6.4
6.4
ubuntu/linux-gke-5.0<6.4
6.4
ubuntu/linux-gke-5.15<5.15.0-1038.43~20.04.1
5.15.0-1038.43~20.04.1
ubuntu/linux-gke-5.15<6.4
6.4
ubuntu/linux-gke-5.4<6.4
6.4
ubuntu/linux-gkeop<5.15.0-1024.29
5.15.0-1024.29
ubuntu/linux-gkeop<6.4
6.4
ubuntu/linux-gkeop-5.15<5.15.0-1024.29~20.04.1
5.15.0-1024.29~20.04.1
ubuntu/linux-gkeop-5.15<6.4
6.4
ubuntu/linux-gkeop-5.4<6.4
6.4
ubuntu/linux-hwe<6.4
6.4
ubuntu/linux-hwe-5.15<5.15.0-78.85~20.04.1
5.15.0-78.85~20.04.1
ubuntu/linux-hwe-5.15<6.4
6.4
ubuntu/linux-hwe-5.19<5.19.0-50.50
5.19.0-50.50
ubuntu/linux-hwe-5.4<6.4
6.4
ubuntu/linux-hwe-6.2<6.2.0-26.26~22.04.1
6.2.0-26.26~22.04.1
ubuntu/linux-hwe-6.2<6.4
6.4
ubuntu/linux-hwe-edge<6.4
6.4
ubuntu/linux-ibm<5.15.0-1034.37
5.15.0-1034.37
ubuntu/linux-ibm<6.2.0-1006.6
6.2.0-1006.6
ubuntu/linux-ibm<6.4
6.4
ubuntu/linux-ibm-5.15<5.15.0-1034.37~20.04.1
5.15.0-1034.37~20.04.1
ubuntu/linux-ibm-5.15<6.4
6.4
ubuntu/linux-ibm-5.4<6.4
6.4
ubuntu/linux-intel-5.13<6.4
6.4
ubuntu/linux-intel-iotg<5.15.0-1036.41
5.15.0-1036.41
ubuntu/linux-intel-iotg<6.4
6.4
ubuntu/linux-intel-iotg-5.15<5.15.0-1036.41~20.04.1
5.15.0-1036.41~20.04.1
ubuntu/linux-intel-iotg-5.15<6.4
6.4
ubuntu/linux-iot<6.4
6.4
ubuntu/linux-kvm<5.15.0-1038.43
5.15.0-1038.43
ubuntu/linux-kvm<6.2.0-1009.9
6.2.0-1009.9
ubuntu/linux-kvm<6.4
6.4
ubuntu/linux-lowlatency<5.15.0-78.85
5.15.0-78.85
ubuntu/linux-lowlatency<6.2.0-1009.9
6.2.0-1009.9
ubuntu/linux-lowlatency<6.4
6.4
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-78.85~20.04.1
5.15.0-78.85~20.04.1
ubuntu/linux-lowlatency-hwe-5.15<6.4
6.4
ubuntu/linux-lowlatency-hwe-5.19<5.19.0-1030.30
5.19.0-1030.30
ubuntu/linux-lowlatency-hwe-5.19<6.4
6.4
ubuntu/linux-lowlatency-hwe-6.2<6.4
6.4
ubuntu/linux-lts-xenial<6.4
6.4
ubuntu/linux-nvidia<5.15.0-1029.29
5.15.0-1029.29
ubuntu/linux-nvidia<6.4
6.4
ubuntu/linux-nvidia-6.2<6.4
6.4
ubuntu/linux-oem<6.4
6.4
ubuntu/linux-oem-5.10<6.4
6.4
ubuntu/linux-oem-5.14<6.4
6.4
ubuntu/linux-oem-5.17<6.4
6.4
ubuntu/linux-oem-5.6<6.4
6.4
ubuntu/linux-oem-6.0<6.0.0-1020.20
6.0.0-1020.20
ubuntu/linux-oem-6.0<6.4
6.4
ubuntu/linux-oem-6.1<6.1.0-1017.17
6.1.0-1017.17
ubuntu/linux-oem-6.1<6.4
6.4
ubuntu/linux-oem-osp1<6.4
6.4
ubuntu/linux-oracle<5.15.0-1039.45
5.15.0-1039.45
ubuntu/linux-oracle<6.2.0-1008.8
6.2.0-1008.8
ubuntu/linux-oracle<6.4
6.4
ubuntu/linux-oracle-5.0<6.4
6.4
ubuntu/linux-oracle-5.13<6.4
6.4
ubuntu/linux-oracle-5.15<5.15.0-1039.45~20.04.1
5.15.0-1039.45~20.04.1
ubuntu/linux-oracle-5.15<6.4
6.4
ubuntu/linux-oracle-5.4<6.4
6.4
ubuntu/linux-raspi<5.15.0-1034.37
5.15.0-1034.37
ubuntu/linux-raspi<6.2.0-1009.11
6.2.0-1009.11
ubuntu/linux-raspi<6.4
6.4
ubuntu/linux-raspi-5.4<6.4
6.4
ubuntu/linux-raspi2<6.4
6.4
ubuntu/linux-riscv<6.2.0-27.28.1
6.2.0-27.28.1
ubuntu/linux-riscv<6.4
6.4
ubuntu/linux-riscv-5.15<5.15.0-1037.41~20.04.2
5.15.0-1037.41~20.04.2
ubuntu/linux-riscv-5.15<6.4
6.4
ubuntu/linux-snapdragon<6.4
6.4
ubuntu/linux-starfive<6.2.0-1002.2
6.2.0-1002.2
ubuntu/linux-starfive<6.4
6.4
ubuntu/linux-starfive-5.19<6.4
6.4
ubuntu/linux-starfive-6.2<6.4
6.4
ubuntu/linux-xilinx-zynqmp<5.15.0-1025.29
5.15.0-1025.29
ubuntu/linux-xilinx-zynqmp<6.4
6.4
debian/linux
4.19.249-2
4.19.304-1
5.10.209-2
5.10.205-2
6.1.76-1
6.1.85-1
6.6.15-2
6.7.12-1
debian/linux-5.10
5.10.209-2~deb10u1

Remedy

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=4716c73b188566865bdd79c3a6709696a224ac04

Remedy

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=0e388fce7aec40992eadee654193cad345d62663

Remedy

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ef7dfac51d8ed961b742218f526bd589f3900a59

Remedy

https://kernel.dance/0e388fce7aec40992eadee654193cad345d62663

Remedy

https://kernel.dance/4716c73b188566865bdd79c3a6709696a224ac04

Remedy

https://kernel.dance/ef7dfac51d8ed961b742218f526bd589f3900a59

Remedy

https://git.kernel.org/linus/2665abfd757fb35a241c6f0b1ebf620e3ffb36fb

Remedy

https://git.kernel.org/linus/ef7dfac51d8ed961b742218f526bd589f3900a59|0e388fce7aec40992eadee654193cad345d62663

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