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OpenAdvisories
Unscored CVE-2023-3212 EUVD-2023-43890GHSA-h6hv-h4xf-gmgh

A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on corrupt gfs2 file systems when the evi…

Published Jun 23, 2023 · Updated Oct 14, 2026 · 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-5.19 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-6.2 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-6.2 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 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-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-6.2 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-6.2 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 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-lowlatency-hwe-6.2 Package: linux-lts-xenial Package: linux-nvidia Package: linux-nvidia-6.2 Package: linux-nvidia-tegra Package: linux-nvidia-tegra-5.15 Package: linux-nvidia-tegra-igx 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-5.19 Package: linux-riscv-5.8 Package: linux-starfive-5.19 Package: linux-vmware Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it has been freed and set to NULL. A privileged local user could use this flaw to cause a kernel panic.

Affected products

VendorProductAffectedFixed
— Linux kernel (gfs2 file system) Fixed in kernel 6.4-rc2 —

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 6.3.7-1 —
Debian 13 linux 6.3.7-1 —
Debian 12 linux 6.1.37-1 DSA-5448-1
Debian 11 linux 5.10.191-1 DSA-5480-1
Debian 10 linux 4.19.304-1 DLA-3710-1
Debian 10 linux-5.10 5.10.197-1~deb10u1 DLA-3623-1
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1023.25 —
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux +1 5.15.0-83.92 USN-6339-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1044.49 USN-6350-1
Ubuntu 22.04 LTS linux-aws-6.2 6.2.0-1013.13~22.04.1 USN-6412-1
Ubuntu 22.04 LTS linux-azure 5.15.0-1046.53 USN-6339-3
Ubuntu 22.04 LTS linux-azure-6.2 +1 6.2.0-1014.14~22.04.1 USN-6412-1
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1046.53.1 USN-6339-3
Ubuntu 22.04 LTS linux-azure-fde-6.2 6.2.0-1014.14~22.04.1.1 USN-6412-1
Ubuntu 22.04 LTS linux-gcp 5.15.0-1041.49 USN-6339-1
Ubuntu 22.04 LTS linux-gcp-6.2 6.2.0-1016.18~22.04.1 USN-6412-1
Ubuntu 22.04 LTS linux-gke +1 5.15.0-1041.46 USN-6351-1, USN-6339-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1027.32 USN-6351-1
Ubuntu 22.04 LTS linux-hwe-6.2 6.2.0-34.34~22.04.1 USN-6412-1
Ubuntu 22.04 LTS linux-ibm +1 5.15.0-1037.40 USN-6339-3, USN-6339-1
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1039.45 USN-6339-4
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1032.32 USN-6339-1
Ubuntu 22.04 LTS linux-nvidia-6.2 6.2.0-1011.11 USN-6466-1
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1017.17 —
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1004.4 —
Ubuntu 22.04 LTS linux-oem-6.1 6.1.0-1016.16 USN-6231-1
Ubuntu 22.04 LTS linux-oracle 5.15.0-1042.48 USN-6350-1
Ubuntu 22.04 LTS linux-riscv +12 No fix yet —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1025.29 —
Ubuntu 20.04 LTS linux 5.4.0-164.181 USN-6417-1
Ubuntu 20.04 LTS linux-aws 5.4.0-1111.120 USN-6417-1
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1044.49~20.04.1 USN-6350-1
Ubuntu 20.04 LTS linux-azure 5.4.0-1117.124 USN-6417-1
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1046.53~20.04.1 USN-6339-3
Ubuntu 20.04 LTS linux-azure-fde-5.15 5.15.0-1046.53~20.04.1.1 USN-6339-3
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1072.78 USN-6417-1
Ubuntu 20.04 LTS linux-gcp 5.4.0-1115.124 USN-6417-1
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1041.49~20.04.1 USN-6339-2
Ubuntu 20.04 LTS linux-gke +26 No fix yet —
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1078.82 USN-6417-1
Ubuntu 20.04 LTS linux-gkeop-5.15 5.15.0-1027.32~20.04.1 USN-6339-2
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-83.92~20.04.1 USN-6339-1
Ubuntu 20.04 LTS linux-ibm 5.4.0-1058.63 USN-6417-1
Ubuntu 20.04 LTS linux-ibm-5.15 5.15.0-1037.40~20.04.1 USN-6350-1
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1040.46~20.04.1 —
Ubuntu 20.04 LTS linux-iot 5.4.0-1023.24 USN-6417-1
Ubuntu 20.04 LTS linux-kvm 5.4.0-1100.106 USN-6417-1
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1017.17~20.04.1 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1110.119 USN-6417-1
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1042.48~20.04.1 USN-6350-1
Ubuntu 20.04 LTS linux-raspi 5.4.0-1095.106 USN-6417-1
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1040.44~20.04.3 —
Ubuntu 20.04 LTS linux-xilinx-zynqmp 5.4.0-1031.35 USN-6417-1
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Show 12 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 5.15.0-1038.40 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1045.50 —
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 5.4.0-1111.120+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1117.124+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1086.95 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1115.124+fips1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2100.106 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2079.85 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1116.127 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2063.68 —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips 4.4.0-1093.100 —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips No fix yet —
Ubuntu Pro 18.04 LTS linux 4.15.0-218.229 USN-6396-1
Ubuntu Pro 18.04 LTS linux-aws 4.15.0-1161.174 USN-6396-1
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1111.120~18.04.1 USN-6417-1
Ubuntu Pro 18.04 LTS linux-azure-4.15 4.15.0-1170.185 USN-6396-1
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1117.124~18.04.1 USN-6417-1
Ubuntu Pro 18.04 LTS linux-gcp-4.15 4.15.0-1155.172 USN-6396-1
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1115.124~18.04.1 USN-6417-1
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-164.181~18.04.1 USN-6417-1
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1058.63~18.04.1 USN-6417-1
Ubuntu Pro 18.04 LTS linux-kvm 4.15.0-1145.150 USN-6396-2
Ubuntu Pro 18.04 LTS linux-oracle 4.15.0-1124.135 USN-6396-1
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1110.119~18.04.1 USN-6417-1
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1095.106~18.04.1 USN-6417-1
Ubuntu Pro 16.04 LTS linux 4.4.0-245.279 USN-6388-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1161.176 USN-6388-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1161.174~16.04.1 USN-6396-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1170.185~16.04.1 USN-6396-1
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1155.172~16.04.1 USN-6396-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-218.229~16.04.1 USN-6396-1
Ubuntu Pro 16.04 LTS linux-kvm 4.4.0-1124.134 USN-6388-1
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1124.135~16.04.1 USN-6396-1
Ubuntu Pro 14.04 LTS linux No fix yet —
Ubuntu Pro 14.04 LTS linux-aws 4.4.0-1123.129 USN-6388-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1170.185~14.04.1 USN-6396-3
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-245.279~14.04.1 USN-6388-1
ReleasePackageFixed inAdvisory
RHEL 9 bpftool 7.2.0-362.8.1.el9_3 RHSA-2023:6583
RHEL 9 rv +64 5.14.0-362.8.1.el9_3 RHSA-2023:6583
RHEL 8 kernel-rt +12 4.18.0-513.5.1.rt7.307.el8_9 RHSA-2023:6901
RHEL 8 perf +26 4.18.0-513.5.1.el8_9 RHSA-2023:7077

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 8 perf +24 4.18.0-513.5.1.el8_9 ALSA-2023:7077
ReleasePackageFixed inAdvisory
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.7.1 SUSE-SU-2023:2871-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.6.1 SUSE-SU-2023:2892-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.7.1.150500.6.2.5 SUSE-SU-2023:2871-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.69.1 SUSE-SU-2023:2820-1
SLES 15 SP4 kernel-azure +2 5.14.21-150400.14.55.1 SUSE-SU-2023:2831-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.69.1.150400.24.31.1 SUSE-SU-2023:2820-1
Show 6 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLE Micro 5.4 kernel-default 5.14.21-150400.24.69.1 SUSE-SU-2023:2820-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.69.1.150400.24.31.1 SUSE-SU-2023:2820-1
SLE Micro 5.4 kernel-rt 5.14.21-150400.15.40.1 SUSE-SU-2023:2803-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.69.1 SUSE-SU-2023:2820-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.69.1.150400.24.31.1 SUSE-SU-2023:2820-1
SLE Micro 5.3 kernel-rt 5.14.21-150400.15.40.1 SUSE-SU-2023:2803-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.7.1 SUSE-SU-2023:2871-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5-RT_Update_3 1-150500.11.5.1 SUSE-SU-2023:3302-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_1 1-150500.11.7.1 SUSE-SU-2023:2871-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.69.1 SUSE-SU-2023:2820-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4-RT_Update_9 1-150400.1.3.1 SUSE-SU-2023:2803-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_14 1-150400.9.3.1 SUSE-SU-2023:2820-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.11.1 SUSE-SU-2023:3302-1
SUSE Real Time Module 15 SP4 kernel-rt +3 5.14.21-150400.15.40.1 SUSE-SU-2023:2803-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.5 dtb-aarch64 +10 5.14.21-150500.55.7.1 SUSE-SU-2023:2871-1
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.6.1 SUSE-SU-2023:2892-1
openSUSE Leap 15.5 kernel-default-base 5.14.21-150500.55.7.1.150500.6.2.5 SUSE-SU-2023:2871-1
openSUSE Leap 15.5 kernel-rt +3 5.14.21-150500.13.11.1 SUSE-SU-2023:3302-1
openSUSE Leap 15.4 dtb-aarch64 +10 5.14.21-150400.24.69.1 SUSE-SU-2023:2820-1
openSUSE Leap 15.4 kernel-azure +2 5.14.21-150400.14.55.1 SUSE-SU-2023:2831-1
openSUSE Leap 15.4 kernel-default-base 5.14.21-150400.24.69.1.150400.24.31.1 SUSE-SU-2023:2820-1
openSUSE Leap 15.4 kernel-rt +3 5.14.21-150400.15.40.1 SUSE-SU-2023:2803-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.3 kernel-default 5.14.21-150400.24.69.1 SUSE-SU-2023:2820-1
openSUSE Leap Micro 5.3 kernel-default-base 5.14.21-150400.24.69.1.150400.24.31.1 SUSE-SU-2023:2820-1
openSUSE Leap Micro 5.3 kernel-rt 5.14.21-150400.15.40.1 SUSE-SU-2023:2803-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2 kernel-livepatch-4.14.322-244.536 1.0-0.amzn2 ALAS2-2023-2268
Amazon Linux 2 perf +8 4.14.322-244.536.amzn2 ALAS2-2023-2268

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) kernel 5.15.118.1-2 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 bpftool 7.2.0-362.8.1.el9_3 ELSA-2023-6583
Oracle Linux 9 rv +25 5.14.0-362.8.1.el9_3 ELSA-2023-6583
Oracle Linux 8 perf +19 4.18.0-513.5.1.el8_9 ELSA-2023-7077

Advisories 37

References