CVE-2023-2236

A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.

Bothio_install_fixed_fileand its callers call fput in a file in case of an error, causing a reference underflow which leads to a use-after-free vulnerability.

We recommend upgrading past commit 9d94c04c0db024922e886c9fd429659f22f48ea4.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GoogleCNA
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 5%
VendorProductVersion
linuxlinux_kernel
5.19 ≤
𝑥
< 6.0.11
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
not-affected
buster
not-affected
bullseye (security)
5.10.226-1
fixed
bookworm
6.1.115-1
fixed
bookworm (security)
6.1.119-1
fixed
trixie
6.12.6-1
fixed
sid
6.12.6-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-38.39
released
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-allwinner
noble
dne
mantic
dne
lunar
not-affected
kinetic
not-affected
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-allwinner-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-aws
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1022.23
released
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-aws-5.0
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-aws-5.11
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-aws-5.13
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-aws-5.15
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-aws-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-aws-5.3
noble
dne
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lunar
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kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-aws-5.4
noble
dne
mantic
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lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-aws-5.8
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-aws-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-aws-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-aws-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-aws-hwe
noble
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mantic
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lunar
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kinetic
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jammy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
dne
linux-azure
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1022.23
released
jammy
not-affected
focal
not-affected
bionic
ignored
xenial
not-affected
trusty
not-affected
linux-azure-4.15
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-azure-5.11
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-azure-5.13
noble
dne
mantic
dne
lunar
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kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
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linux-azure-5.15
noble
dne
mantic
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kinetic
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jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-azure-5.19
noble
dne
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jammy
ignored
focal
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bionic
dne
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linux-azure-5.3
noble
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jammy
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ignored
xenial
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linux-azure-5.4
noble
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lunar
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kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
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linux-azure-5.8
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-azure-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-azure-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-azure-edge
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-azure-fde
noble
dne
mantic
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lunar
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kinetic
dne
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-azure-fde-5.15
noble
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lunar
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jammy
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focal
not-affected
bionic
dne
xenial
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trusty
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linux-azure-fde-5.19
noble
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lunar
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kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-azure-fde-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-azure-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-bluefield
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-dell300x
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-fips
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-gcp
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1019.21
released
jammy
not-affected
focal
not-affected
bionic
ignored
xenial
not-affected
trusty
dne
linux-gcp-4.15
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp-5.11
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-gcp-5.13
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-gcp-5.15
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-gcp-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-gcp-5.3
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gcp-5.4
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp-5.8
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-gcp-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-gcp-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-gcp-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-gke
noble
not-affected
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
not-affected
bionic
dne
xenial
ignored
trusty
dne
linux-gke-4.15
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-5.0
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-5.15
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-gke-5.3
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-5.4
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gkeop
noble
not-affected
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-gkeop-5.15
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-gkeop-5.4
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-hwe
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
not-affected
trusty
dne
linux-hwe-5.11
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-hwe-5.13
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-hwe-5.15
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-hwe-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
Fixed 5.19.0-38.39~22.04.1
released
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe-5.4
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-hwe-5.8
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-hwe-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe-6.5
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe-edge
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-ibm
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1019.21
released
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-ibm-5.15
noble
dne
mantic
dne
lunar
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-ibm-5.4
noble
dne
mantic
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lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-intel
noble
not-affected
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-intel-5.13
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-intel-iotg
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-intel-iotg-5.15
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-iot
noble
dne
mantic
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lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-kvm
noble
dne
mantic
dne
lunar
not-affected
kinetic
Fixed 5.19.0-1020.21
released
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-laptop
noble
dne
mantic
not-affected
lunar
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lowlatency
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1021.22
released
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lowlatency-hwe-5.15
noble
dne
mantic
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lunar
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kinetic
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jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-lowlatency-hwe-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
Fixed 5.19.0-1021.22~22.04.1
released
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lowlatency-hwe-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lowlatency-hwe-6.5
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
not-affected
linux-nvidia
noble
not-affected
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-nvidia-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-nvidia-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-oem-5.10
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oem-5.13
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oem-5.14
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oem-5.17
noble
dne
mantic
dne
lunar
dne
kinetic
ignored
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-5.6
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.0
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
Fixed 6.0.0-1012.12
released
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.1
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.5
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.8
noble
not-affected
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-osp1
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1019.22
released
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-oracle-5.0
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.11
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oracle-5.13
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oracle-5.15
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-oracle-5.3
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.4
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-oracle-5.8
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oracle-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-raspi
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1015.22
released
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-raspi-5.4
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-raspi2
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
not-affected
xenial
ignored
trusty
dne
linux-raspi2-5.3
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-riscv
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 5.19.0-1015.16
released
jammy
ignored
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.11
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.15
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.8
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-riscv-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-snapdragon
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
ignored
trusty
dne
linux-starfive
noble
dne
mantic
not-affected
lunar
Fixed 6.2.0-1002.2
released
kinetic
not-affected
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-starfive-5.19
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-starfive-6.2
noble
dne
mantic
dne
lunar
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-starfive-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-xilinx-zynqmp
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
Common Weakness Enumeration
References
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9d94c04c0db024922e886c9fd429659f22f48ea4
https://kernel.dance/9d94c04c0db024922e886c9fd429659f22f48ea4
https://security.netapp.com/advisory/ntap-20230601-0010/
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9d94c04c0db024922e886c9fd429659f22f48ea4
https://kernel.dance/9d94c04c0db024922e886c9fd429659f22f48ea4
https://security.netapp.com/advisory/ntap-20230601-0010/