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OpenAdvisories
Medium · 4.7 CVE-2023-1859 EUVD-2023-24061GHSA-v3wv-42wv-gh55

A use-after-free flaw was found in xen_9pfs_front_removet in net/9p/trans_xen.c in Xen transport for 9pfs in the Linux Kernel. This flaw co…

Published May 17, 2023 · Updated Mar 18, 2025 · Assigned by redhat

Package: kernel Package: linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.15 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-fips Package: linux-aws-hwe Package: linux-azure Package: linux-azure-4.15 Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fips Package: linux-bluefield Package: linux-fips Package: linux-gcp Package: linux-gcp-4.15 Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.15 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.15 Package: linux-hwe-5.19 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.4 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-iot Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 Package: linux-lowlatency-hwe-5.19 Package: linux-nvidia Package: linux-nvidia-tegra Package: linux-nvidia-tegra-5.15 Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 Package: linux-riscv-5.8 Package: linux-vmware Package: linux-xilinx-zynqmp Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

A use-after-free flaw was found in xen_9pfs_front_removet in net/9p/trans_xen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak.

Affected products

VendorProductAffectedFixed
— Kernel Kernel version prior to 6.3-rc7 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 6.1.25-1 —
Debian 13 linux 6.1.25-1 —
Debian 12 linux 6.1.25-1 —
Debian 10 linux 4.19.282-1 DLA-3403-1
Debian 10 linux-5.10 5.10.178-3~deb10u1 DLA-3404-1
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1019.21 —
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux +1 5.15.0-75.82 USN-6172-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1038.43 USN-6172-1
Ubuntu 22.04 LTS linux-azure 5.15.0-1040.47 USN-6172-1
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1041.48.1 USN-6223-1
Ubuntu 22.04 LTS linux-gcp 5.15.0-1036.44 USN-6172-1
Ubuntu 22.04 LTS linux-gke 5.15.0-1036.41 USN-6172-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1022.27 USN-6172-1
Ubuntu 22.04 LTS linux-hwe-5.19 5.19.0-45.46~22.04.1 USN-6171-1
Ubuntu 22.04 LTS linux-ibm +1 5.15.0-1032.35 USN-6172-1
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1033.38 USN-6207-1
Ubuntu 22.04 LTS linux-kvm 5.15.0-1035.40 USN-6172-1
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1027.27 —
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1015.15 —
Ubuntu 22.04 LTS linux-oem-5.17 5.17.0-1031.32 USN-6071-1
Ubuntu 22.04 LTS linux-oem-6.0 6.0.0-1015.15 USN-6072-1
Ubuntu 22.04 LTS linux-oem-6.1 6.1.0-1010.10 USN-6056-1
Ubuntu 22.04 LTS linux-oracle 5.15.0-1037.43 USN-6172-1
Ubuntu 22.04 LTS linux-riscv +5 No fix yet —
Ubuntu 20.04 LTS linux 5.4.0-152.169 USN-6172-1
Ubuntu 20.04 LTS linux-aws 5.4.0-1104.112 USN-6185-1
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1038.43~20.04.1 USN-6172-1
Ubuntu 20.04 LTS linux-azure 5.4.0-1110.116 USN-6185-1
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1040.47~20.04.1 USN-6172-1
Ubuntu 20.04 LTS linux-azure-fde-5.15 5.15.0-1040.47~20.04.1.1 USN-6172-1
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1065.71 USN-6185-1
Ubuntu 20.04 LTS linux-gcp 5.4.0-1107.116 USN-6185-1
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1036.44~20.04.1 USN-6172-1
Ubuntu 20.04 LTS linux-gke 5.4.0-1102.109 USN-6185-1
Ubuntu 20.04 LTS linux-gke-5.15 5.15.0-1036.41~20.04.1 USN-6172-1
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1071.75 USN-6185-1
Ubuntu 20.04 LTS linux-gkeop-5.15 5.15.0-1022.27~20.04.1 —
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-75.82~20.04.1 USN-6172-1
Ubuntu 20.04 LTS linux-ibm 5.4.0-1051.56 USN-6185-1
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1033.38~20.04.1 USN-6207-1
Ubuntu 20.04 LTS linux-iot 5.4.0-1017.18 USN-6256-1
Ubuntu 20.04 LTS linux-kvm 5.4.0-1093.99 USN-6185-1
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1015.15~20.04.1 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1103.112 USN-6185-1
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1037.43~20.04.1 USN-6172-1
Ubuntu 20.04 LTS linux-raspi 5.4.0-1088.99 USN-6185-1
Ubuntu 20.04 LTS linux-riscv +23 No fix yet —
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1035.39~20.04.1 —
Ubuntu 20.04 LTS linux-xilinx-zynqmp 5.4.0-1024.28 USN-6222-1
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Show 10 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1033.35 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1040.45 —
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1104.112+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1110.116+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1079.88 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1107.116+fips1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2098.104 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2077.83 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1114.125 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2061.66 —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips No fix yet —
Ubuntu Pro 18.04 LTS linux 4.15.0-214.225 USN-6252-1
Ubuntu Pro 18.04 LTS linux-aws 4.15.0-1159.172 USN-6252-1
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1104.112~18.04.1 —
Ubuntu Pro 18.04 LTS linux-azure-4.15 4.15.0-1168.183 USN-6252-1
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1110.116~18.04.1 —
Ubuntu Pro 18.04 LTS linux-dell300x 4.15.0-1068.73 USN-6252-1
Ubuntu Pro 18.04 LTS linux-gcp-4.15 4.15.0-1153.170 USN-6252-1
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1107.116~18.04.1 —
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-152.169~18.04.1 —
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1051.56~18.04.1 —
Ubuntu Pro 18.04 LTS linux-kvm 4.15.0-1143.148 USN-6252-1
Ubuntu Pro 18.04 LTS linux-oracle 4.15.0-1122.133 USN-6252-1
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1103.112~18.04.1 —
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1088.99~18.04.1 —
Ubuntu Pro 18.04 LTS linux-snapdragon 4.15.0-1153.163 USN-6252-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1159.172~16.04.1 USN-6252-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1168.183~16.04.1 USN-6252-1
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1153.170~16.04.1 USN-6252-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-214.225~16.04.1 USN-6252-1
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1122.133~16.04.1 USN-6252-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1168.183~14.04.1 USN-6252-1
ReleasePackageFixed inAdvisory
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.31.1 SUSE-SU-2023:4071-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.20.1 SUSE-SU-2023:4058-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.31.1.150500.6.13.1 SUSE-SU-2023:4071-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.92.1 SUSE-SU-2023:4072-1
SLES 15 SP4 kernel-azure +2 5.14.21-150400.14.69.1 SUSE-SU-2023:4057-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.92.1.150400.24.42.1 SUSE-SU-2023:4072-1
SLES 15 SP3 kernel-64kb +7 5.3.18-150300.59.138.1 SUSE-SU-2023:4095-1
SLES 15 SP3 kernel-default-base 5.3.18-150300.59.138.1.150300.18.80.2 SUSE-SU-2023:4095-1
SLES 15 SP2 kernel-default-base 5.3.18-150200.24.166.1.150200.9.83.1 SUSE-SU-2023:4030-1
SLES 15 SP2 kernel-docs 5.3.18-150200.24.166.2 SUSE-SU-2023:4030-1
SLES 15 SP2 kernel-syms +4 5.3.18-150200.24.166.1 SUSE-SU-2023:4030-1
SLES 15 SP1 kernel-docs +5 4.12.14-150100.197.160.1 SUSE-SU-2023:4347-1
Show 25 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES 12 SP5 kernel-azure +2 4.12.14-16.152.1 SUSE-SU-2023:4032-1
SLES 12 SP5 kernel-docs +4 4.12.14-122.179.1 SUSE-SU-2023:4031-1
SLES for SAP 15 SP3 kernel-default-base 5.3.18-150300.59.138.1.150300.18.80.2 SUSE-SU-2023:4095-1
SLES for SAP 15 SP3 kernel-docs +5 5.3.18-150300.59.138.1 SUSE-SU-2023:4095-1
SLES for SAP 15 SP2 kernel-default-base 5.3.18-150200.24.166.1.150200.9.83.1 SUSE-SU-2023:4030-1
SLES for SAP 15 SP2 kernel-docs 5.3.18-150200.24.166.2 SUSE-SU-2023:4030-1
SLES for SAP 15 SP2 kernel-syms +4 5.3.18-150200.24.166.1 SUSE-SU-2023:4030-1
SLES for SAP 15 SP1 kernel-docs +4 4.12.14-150100.197.160.1 SUSE-SU-2023:4347-1
SLES for SAP 12 SP5 kernel-azure +2 4.12.14-16.152.1 SUSE-SU-2023:4032-1
SLES for SAP 12 SP5 kernel-syms +2 4.12.14-122.179.1 SUSE-SU-2023:4031-1
SLE Real Time 12 SP5 kernel-rt +3 4.12.14-10.144.1 SUSE-SU-2023:4033-1
SLE Micro 5.5 kernel-default 5.14.21-150500.55.31.1 SUSE-SU-2023:4071-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.31.1.150500.6.13.1 SUSE-SU-2023:4071-1
SLE Micro 5.5 kernel-rt 5.14.21-150500.13.18.1 SUSE-SU-2023:3988-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.92.1 SUSE-SU-2023:4072-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.92.1.150400.24.42.1 SUSE-SU-2023:4072-1
SLE Micro 5.4 kernel-rt 5.14.21-150400.15.56.1 SUSE-SU-2023:4093-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.92.1 SUSE-SU-2023:4072-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.92.1.150400.24.42.1 SUSE-SU-2023:4072-1
SLE Micro 5.3 kernel-rt 5.14.21-150400.15.56.1 SUSE-SU-2023:4093-1
SLE Micro 5.2 kernel-default 5.3.18-150300.59.138.1 SUSE-SU-2023:4095-1
SLE Micro 5.2 kernel-default-base 5.3.18-150300.59.138.1.150300.18.80.2 SUSE-SU-2023:4095-1
SLE Micro 5.2 kernel-rt 5.3.18-150300.144.1 SUSE-SU-2023:4142-1
SLE Micro 5.1 kernel-default 5.3.18-150300.59.138.1 SUSE-SU-2023:4095-1
SLE Micro 5.1 kernel-default-base 5.3.18-150300.59.138.1.150300.18.80.2 SUSE-SU-2023:4095-1
SLE Micro 5.1 kernel-rt 5.3.18-150300.144.1 SUSE-SU-2023:4142-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.31.1 SUSE-SU-2023:4071-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_6 +1 1-150500.11.3.1 SUSE-SU-2023:4071-1, SUSE-SU-2023:3988-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.92.1 SUSE-SU-2023:4072-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4-RT_Update_14 1-150400.1.3.1 SUSE-SU-2023:4093-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_19 1-150400.9.3.1 SUSE-SU-2023:4072-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-150300.59.138.1 SUSE-SU-2023:4095-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_37 1-150300.7.5.1 SUSE-SU-2023:4095-1
SLE Live Patching 15 SP2 kernel-default 5.3.18-150200.24.166.1 SUSE-SU-2023:4030-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_41 1-150200.5.3.1 SUSE-SU-2023:4030-1
SLE Live Patching 15 SP1 kernel-default 4.12.14-150100.197.160.1 SUSE-SU-2023:4347-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_45 1-150100.3.3.1 SUSE-SU-2023:4347-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.179.1 SUSE-SU-2023:4031-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_49 1-8.3.1 SUSE-SU-2023:4031-1
SLE HPC 15 SP3 kernel-64kb +6 5.3.18-150300.59.138.1 SUSE-SU-2023:4095-1
SLE HPC 15 SP3 kernel-default-base 5.3.18-150300.59.138.1.150300.18.80.2 SUSE-SU-2023:4095-1
SLE HPC 15 SP2 kernel-default-base 5.3.18-150200.24.166.1.150200.9.83.1 SUSE-SU-2023:4030-1
SLE HPC 15 SP2 kernel-docs 5.3.18-150200.24.166.2 SUSE-SU-2023:4030-1
SLE HPC 15 SP2 kernel-syms +4 5.3.18-150200.24.166.1 SUSE-SU-2023:4030-1
SLE HPC 15 SP1 kernel-docs +4 4.12.14-150100.197.160.1 SUSE-SU-2023:4347-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.18.1 SUSE-SU-2023:3988-1
SUSE Real Time Module 15 SP4 kernel-rt +3 5.14.21-150400.15.56.1 SUSE-SU-2023:4093-1
SUSE Manager Server 4.2 kernel-default-base 5.3.18-150300.59.138.1.150300.18.80.2 SUSE-SU-2023:4095-1
SUSE Manager Server 4.2 kernel-source +3 5.3.18-150300.59.138.1 SUSE-SU-2023:4095-1
SUSE Manager Proxy 4.2 kernel-default-base 5.3.18-150300.59.138.1.150300.18.80.2 SUSE-SU-2023:4095-1
SUSE Manager Proxy 4.2 kernel-source +2 5.3.18-150300.59.138.1 SUSE-SU-2023:4095-1
SUSE Enterprise Storage 7.1 kernel-64kb +6 5.3.18-150300.59.138.1 SUSE-SU-2023:4095-1
SUSE Enterprise Storage 7.1 kernel-default-base 5.3.18-150300.59.138.1.150300.18.80.2 SUSE-SU-2023:4095-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.5 dtb-aarch64 +10 5.14.21-150500.55.31.1 SUSE-SU-2023:4071-1
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.20.1 SUSE-SU-2023:4058-1
openSUSE Leap 15.5 kernel-default-base 5.14.21-150500.55.31.1.150500.6.13.1 SUSE-SU-2023:4071-1
openSUSE Leap 15.5 kernel-rt +3 5.14.21-150500.13.18.1 SUSE-SU-2023:3988-1
openSUSE Leap 15.5 kernel-vanilla 4.12.14-150100.197.160.1 SUSE-SU-2023:4347-1
openSUSE Leap 15.4 dtb-aarch64 +6 5.14.21-150400.24.92.1 SUSE-SU-2023:4072-2
openSUSE Leap 15.4 kernel-azure +2 5.14.21-150400.14.69.1 SUSE-SU-2023:4057-1
openSUSE Leap 15.4 kernel-debug +4 4.12.14-150100.197.160.1 SUSE-SU-2023:4347-1, SUSE-SU-2023:4072-2
openSUSE Leap 15.4 kernel-default-base 5.14.21-150400.24.92.1.150400.24.42.1 SUSE-SU-2023:4072-2

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) kernel 5.15.116.1-2 —

Advisories 30

References