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OpenAdvisories
High · 7.1 Public exploit CVE-2023-26607 EUVD-2023-30402GHSA-5gr9-2c49-vhjx

In the Linux kernel 6.0.8, there is an out-of-bounds read in ntfs_attr_find in fs/ntfs/attrib.c.

Published Feb 26, 2023 · Updated Oct 14, 2026 · Assigned by mitre

Package: linux Package: linux 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-fips Package: linux-bluefield Package: linux-dell300x 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-lts-xenial Package: linux-nvidia 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-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-snapdragon Package: linux-vmware Package: linux-xilinx-zynqmp Ecosystem: Debian Ecosystem: Ubuntu

Description

In the Linux kernel 6.0.8, there is an out-of-bounds read in ntfs_attr_find in fs/ntfs/attrib.c.

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 4.19.37-1 —
Debian 13 linux 4.19.37-1 —
Debian 12 linux 4.19.37-1 —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1014.16 —
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux +1 5.15.0-67.74 —
Ubuntu 22.04 LTS linux-aws 5.15.0-1031.35 —
Ubuntu 22.04 LTS linux-azure 5.15.0-1034.41 —
Ubuntu 22.04 LTS linux-azure-5.19 5.19.0-1021.22~22.04.1 —
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1034.41.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1030.37 —
Ubuntu 22.04 LTS linux-gke 5.15.0-1028.33 —
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1016.21 —
Ubuntu 22.04 LTS linux-hwe-5.19 5.19.0-35.36~22.04.1 —
Ubuntu 22.04 LTS linux-ibm 5.15.0-1026.29 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1026.31 —
Ubuntu 22.04 LTS linux-kvm 5.15.0-1029.34 —
Ubuntu 22.04 LTS linux-lowlatency-hwe-5.19 5.19.0-1018.19~22.04.1 —
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1023.23 —
Ubuntu 22.04 LTS linux-oem-5.17 5.17.0-1030.31 USN-6031-1
Ubuntu 22.04 LTS linux-oem-6.0 6.0.0-1014.14 USN-6032-1
Ubuntu 22.04 LTS linux-oracle 5.15.0-1030.36 —
Ubuntu 22.04 LTS linux-raspi 5.15.0-1025.27 —
Ubuntu 22.04 LTS linux-riscv +1 No fix yet —
Ubuntu 20.04 LTS linux 5.4.0-144.161 —
Ubuntu 20.04 LTS linux-aws 5.4.0-1097.105 —
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1031.35~20.04.1 —
Ubuntu 20.04 LTS linux-azure 5.4.0-1104.110 —
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1034.41~20.04.1 —
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1059.65 USN-6000-1
Ubuntu 20.04 LTS linux-gcp 5.4.0-1101.110 —
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1030.37~20.04.1 —
Ubuntu 20.04 LTS linux-gke 5.4.0-1095.102 —
Ubuntu 20.04 LTS linux-gke-5.15 5.15.0-1028.33~20.04.1 —
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1065.69 —
Ubuntu 20.04 LTS linux-gkeop-5.15 5.15.0-1016.21~20.04.1 —
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-67.74~20.04.1 —
Ubuntu 20.04 LTS linux-ibm 5.4.0-1045.50 —
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1026.31~20.04.1 —
Ubuntu 20.04 LTS linux-iot 5.4.0-1013.15 —
Ubuntu 20.04 LTS linux-kvm 5.4.0-1087.93 —
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1014.14~20.04.1 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1094.103 —
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1030.36~20.04.1 —
Ubuntu 20.04 LTS linux-raspi 5.4.0-1081.92 —
Ubuntu 20.04 LTS linux-riscv +23 No fix yet —
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1030.34~20.04.1 —
Ubuntu 20.04 LTS linux-xilinx-zynqmp 5.4.0-1022.26 —
Ubuntu 18.04 LTS linux 4.15.0-206.217 —
Ubuntu 18.04 LTS linux-aws 4.15.0-1151.164 —
Ubuntu 18.04 LTS linux-aws-5.4 5.4.0-1097.105~18.04.1 —
Ubuntu 18.04 LTS linux-azure-4.15 4.15.0-1162.177 —
Ubuntu 18.04 LTS linux-azure-5.4 5.4.0-1104.110~18.04.1 —
Ubuntu 18.04 LTS linux-dell300x 4.15.0-1061.66 —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 18.04 LTS linux-gcp-4.15 4.15.0-1146.162 —
Ubuntu 18.04 LTS linux-gcp-5.4 5.4.0-1101.110~18.04.1 —
Ubuntu 18.04 LTS linux-hwe-5.4 5.4.0-144.161~18.04.1 —
Ubuntu 18.04 LTS linux-ibm-5.4 5.4.0-1045.50~18.04.1 —
Ubuntu 18.04 LTS linux-kvm 4.15.0-1136.141 —
Ubuntu 18.04 LTS linux-oracle 4.15.0-1115.126 —
Ubuntu 18.04 LTS linux-oracle-5.4 5.4.0-1094.103~18.04.1 —
Ubuntu 18.04 LTS linux-raspi-5.4 5.4.0-1081.92~18.04.1 —
Ubuntu 18.04 LTS linux-raspi2 4.15.0-1128.136 —
Ubuntu 18.04 LTS linux-snapdragon 4.15.0-1146.156 —
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 5.15.0-1022.27 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1033.36 —
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 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1099.107+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1104.110+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1073.82 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1101.110+fips1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2090.96 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2071.77 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1108.119 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2055.60 —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips 4.4.0-1088.95 —
Ubuntu Pro 16.04 LTS linux 4.4.0-239.273 USN-6014-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1155.170 USN-6001-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1151.164~16.04.1 —
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1162.177~16.04.1 USN-5975-1
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1146.162~16.04.1 USN-6007-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-206.217~16.04.1 —
Ubuntu Pro 16.04 LTS linux-kvm 4.4.0-1118.128 USN-6014-1
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1115.126~16.04.1 —
Ubuntu Pro 14.04 LTS linux No fix yet —
Ubuntu Pro 14.04 LTS linux-aws 4.4.0-1117.123 USN-6013-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1162.177~14.04.1 —
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-239.273~14.04.1 USN-6014-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2 kernel-livepatch-4.14.301-224.520 1.0-0.amzn2 ALAS2-2022-1903
Amazon Linux 2 perf +8 4.14.301-224.520.amzn2 ALAS2-2022-1903

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 13

References