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CVE-2023-4389

Fixed in a distro release EPSS <1%CVSS 7.0

A flaw was found in btrfs_get_root_ref in fs/btrfs/disk-io.c in the btrfs filesystem in the Linux Kernel due to a double decrement of the reference count. This issue may allow a local attacker with user privilege to crash the system or may lead to leaked internal kernel information.

Published 2023-08-16 · CVE record · OSV

Products: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Fedora

Distro releases

ReleasePackageFixed in
Debian 12linux5.17.6-1
Debian 13linux5.17.6-1
Debian 14linux5.17.6-1
SUSE Enterprise Storage 7.1kernel-64kb5.3.18-150300.59.138.1
SUSE Enterprise Storage 7.1kernel-default5.3.18-150300.59.138.1
SUSE Enterprise Storage 7.1kernel-default-base5.3.18-150300.59.138.1.150300.18.80.2
SUSE Enterprise Storage 7.1kernel-docs5.3.18-150300.59.138.1
SUSE Enterprise Storage 7.1kernel-obs-build5.3.18-150300.59.138.1
SUSE Enterprise Storage 7.1kernel-preempt5.3.18-150300.59.138.1
SUSE Enterprise Storage 7.1kernel-source5.3.18-150300.59.138.1
SUSE Enterprise Storage 7.1kernel-syms5.3.18-150300.59.138.1
SUSE Linux Enterprise High Availability Extension 15 SP2kernel-default5.3.18-150200.24.166.1
SUSE Linux Enterprise High Availability Extension 15 SP3kernel-default5.3.18-150300.59.138.1
SUSE Linux Enterprise High Availability Extension 15 SP4kernel-default5.14.21-150400.24.92.1
SUSE Linux Enterprise High Availability Extension 15 SP5kernel-default5.14.21-150500.55.31.1
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSSkernel-default5.3.18-150200.24.166.1
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSSkernel-default-base5.3.18-150200.24.166.1.150200.9.83.1
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSSkernel-docs5.3.18-150200.24.166.2
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSSkernel-obs-build5.3.18-150200.24.166.1
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSSkernel-preempt5.3.18-150200.24.166.1
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SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOSkernel-obs-build5.3.18-150300.59.138.1
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOSkernel-preempt5.3.18-150300.59.138.1
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SUSE Linux Enterprise High Performance Computing 15 SP3-LTSSkernel-default5.3.18-150300.59.138.1
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSSkernel-default-base5.3.18-150300.59.138.1.150300.18.80.2
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Ubuntu 16.04 LTSlinux-hwe-edgeno fix
Ubuntu 18.04 LTSlinux-aws-5.0no fix
Ubuntu 18.04 LTSlinux-aws-5.3no fix
Ubuntu 18.04 LTSlinux-azureno fix
Ubuntu 18.04 LTSlinux-azure-5.3no fix
Ubuntu 18.04 LTSlinux-azure-edgeno fix
Ubuntu 18.04 LTSlinux-gcpno fix
Ubuntu 18.04 LTSlinux-gcp-5.3no fix
Ubuntu 18.04 LTSlinux-gke-4.15no fix
Ubuntu 18.04 LTSlinux-gke-5.4no fix
Ubuntu 18.04 LTSlinux-gkeop-5.4no fix
Ubuntu 18.04 LTSlinux-hweno fix
Ubuntu 18.04 LTSlinux-oemno fix
Ubuntu 18.04 LTSlinux-oracle-5.0no fix
Ubuntu 18.04 LTSlinux-oracle-5.3no fix
Ubuntu 20.04 LTSlinux-aws-5.11no fix
Ubuntu 20.04 LTSlinux-aws-5.13no fix
Ubuntu 20.04 LTSlinux-aws-5.8no fix
Ubuntu 20.04 LTSlinux-azure-5.11no fix
Ubuntu 20.04 LTSlinux-azure-5.13no fix
Ubuntu 20.04 LTSlinux-azure-5.155.15.0-1008.9~20.04.1
Ubuntu 20.04 LTSlinux-azure-5.8no fix
Ubuntu 20.04 LTSlinux-gcp-5.11no fix
Ubuntu 20.04 LTSlinux-gcp-5.13no fix
Ubuntu 20.04 LTSlinux-gcp-5.8no fix
Ubuntu 20.04 LTSlinux-gkeno fix
Ubuntu 20.04 LTSlinux-gke-5.15no fix
Ubuntu 20.04 LTSlinux-hwe-5.11no fix
Ubuntu 20.04 LTSlinux-hwe-5.13no fix
Ubuntu 20.04 LTSlinux-hwe-5.155.15.0-41.44~20.04.1
Ubuntu 20.04 LTSlinux-hwe-5.8no fix
Ubuntu 20.04 LTSlinux-intel-5.13no fix
Ubuntu 20.04 LTSlinux-intel-iotg-5.155.15.0-1008.11~20.04.1
Ubuntu 20.04 LTSlinux-lowlatency-hwe-5.155.15.0-42.45~20.04.1
Ubuntu 20.04 LTSlinux-oem-5.10no fix
Ubuntu 20.04 LTSlinux-oem-5.13no fix
Ubuntu 20.04 LTSlinux-oem-5.14no fix
Ubuntu 20.04 LTSlinux-oem-5.6no fix
Ubuntu 20.04 LTSlinux-oracle-5.11no fix
Ubuntu 20.04 LTSlinux-oracle-5.13no fix
Ubuntu 20.04 LTSlinux-oracle-5.8no fix
Ubuntu 20.04 LTSlinux-raspi2no fix
Ubuntu 20.04 LTSlinux-riscvno fix
Ubuntu 20.04 LTSlinux-riscv-5.11no fix
Ubuntu 20.04 LTSlinux-riscv-5.8no fix
Ubuntu 22.04 LTSlinux5.15.0-37.39
Ubuntu 22.04 LTSlinux-aws5.15.0-1011.14
Ubuntu 22.04 LTSlinux-aws-5.19no fix
Ubuntu 22.04 LTSlinux-azure5.15.0-1010.12
Ubuntu 22.04 LTSlinux-azure-5.19no fix
Ubuntu 22.04 LTSlinux-azure-fde-5.19no fix
Ubuntu 22.04 LTSlinux-gcp5.15.0-1008.12
Ubuntu 22.04 LTSlinux-gcp-5.19no fix
Ubuntu 22.04 LTSlinux-gke5.15.0-1008.10
Ubuntu 22.04 LTSlinux-ibm5.15.0-1007.8
Ubuntu 22.04 LTSlinux-intel-iot-realtimeno fix
Ubuntu 22.04 LTSlinux-intel-iotg5.15.0-1008.11
Ubuntu 22.04 LTSlinux-kvm5.15.0-1010.11
Ubuntu 22.04 LTSlinux-lowlatency5.15.0-37.39
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Ubuntu 22.04 LTSlinux-oracle5.15.0-1009.12
Ubuntu 22.04 LTSlinux-raspi5.15.0-1011.13
Ubuntu 22.04 LTSlinux-realtimeno fix
Ubuntu 22.04 LTSlinux-riscvno fix
Ubuntu 22.04 LTSlinux-riscv-5.19no fix
Ubuntu 22.04 LTSlinux-starfive-5.19no fix
Ubuntu 24.04 LTSlinux-raspi-realtimeno fix
Ubuntu Pro Realtime 22.04 LTSlinux-realtime5.15.0-1014.14
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