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Low · 3.3 CVE-2023-1075 EUVD-2023-23363GHSA-656v-jx98-63w5

A flaw was found in the Linux Kernel. The tls_is_tx_ready() incorrectly checks for list emptiness, potentially accessing a type confused en…

Published Mar 27, 2023 · Updated Feb 24, 2025 · Assigned by redhat

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-azure 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-fips Package: linux-gcp 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-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-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: Debian Ecosystem: Ubuntu

Description

A flaw was found in the Linux Kernel. The tls_is_tx_ready() incorrectly checks for list emptiness, potentially accessing a type confused entry to the list_head, leaking the last byte of the confused field that overlaps with rec->tx_ready.

Affected products

VendorProductAffectedFixed
— Linus kernel unknown —

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 6.1.11-1 —
Debian 13 linux 6.1.11-1 —
Debian 12 linux 6.1.11-1 —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1017.19 —
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux +1 5.15.0-72.79 USN-6080-1
Ubuntu 22.04 LTS linux-allwinner-5.19 5.19.0-1012.12~22.04.1 —
Ubuntu 22.04 LTS linux-aws 5.15.0-1036.40 USN-6080-1
Ubuntu 22.04 LTS linux-azure 5.15.0-1038.45 USN-6080-1
Ubuntu 22.04 LTS linux-azure-5.19 5.19.0-1026.29~22.04.1 USN-6079-1
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1038.45.1 USN-6080-1
Ubuntu 22.04 LTS linux-gcp 5.15.0-1034.42 USN-6090-1
Ubuntu 22.04 LTS linux-gcp-5.19 5.19.0-1024.26~22.04.1 —
Ubuntu 22.04 LTS linux-gke +1 5.15.0-1033.38 USN-6090-1, USN-6080-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1020.25 USN-6090-1
Ubuntu 22.04 LTS linux-hwe-5.19 5.19.0-42.43~22.04.1 USN-6096-1
Ubuntu 22.04 LTS linux-ibm 5.15.0-1030.33 USN-6080-1
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1030.35 USN-6133-1
Ubuntu 22.04 LTS linux-lowlatency-hwe-5.19 5.19.0-1024.25~22.04.1 —
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1025.25 —
Ubuntu 22.04 LTS linux-oem-6.0 6.0.0-1021.21 USN-6385-1
Ubuntu 22.04 LTS linux-oem-6.1 6.1.0-1008.8 USN-5978-1
Ubuntu 22.04 LTS linux-oracle 5.15.0-1035.41 USN-6080-1
Ubuntu 22.04 LTS linux-raspi 5.15.0-1029.31 USN-6085-1
Ubuntu 22.04 LTS linux-riscv +2 No fix yet —
Ubuntu 20.04 LTS linux 5.4.0-149.166 USN-6094-1
Ubuntu 20.04 LTS linux-aws 5.4.0-1102.110 USN-6094-1
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1036.40~20.04.1 USN-6080-1
Ubuntu 20.04 LTS linux-azure 5.4.0-1108.114 USN-6094-1
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1038.45~20.04.1 USN-6080-1
Ubuntu 20.04 LTS linux-azure-fde-5.15 5.15.0-1038.45~20.04.1.1 USN-6080-1
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1064.70 USN-6132-1
Ubuntu 20.04 LTS linux-gcp 5.4.0-1105.114 USN-6094-1
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1034.42~20.04.1 USN-6090-1
Ubuntu 20.04 LTS linux-gke 5.4.0-1099.106 USN-6094-1
Ubuntu 20.04 LTS linux-gke-5.15 5.15.0-1033.38~20.04.1 USN-6090-1
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1069.73 USN-6094-1
Ubuntu 20.04 LTS linux-gkeop-5.15 5.15.0-1020.25~20.04.1 —
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-72.79~20.04.1 USN-6080-1
Ubuntu 20.04 LTS linux-ibm 5.4.0-1049.54 USN-6094-1
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1030.35~20.04.1 USN-6134-1
Ubuntu 20.04 LTS linux-iot 5.4.0-1017.18 USN-6256-1
Ubuntu 20.04 LTS linux-kvm 5.4.0-1091.97 USN-6094-1
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1014.14~20.04.1 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1101.110 USN-6118-1
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1035.41~20.04.1 USN-6090-1
Ubuntu 20.04 LTS linux-raspi 5.4.0-1085.96 USN-6109-1
Ubuntu 20.04 LTS linux-riscv +23 No fix yet —
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1033.37~20.04.1 —
Ubuntu 20.04 LTS linux-xilinx-zynqmp 5.4.0-1024.28 USN-6222-1
Ubuntu 18.04 LTS linux-aws-5.4 5.4.0-1103.111~18.04.1 USN-6132-1
Ubuntu 18.04 LTS linux-azure-5.4 5.4.0-1108.114~18.04.1 USN-6094-1
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 18.04 LTS linux-gcp-5.4 5.4.0-1105.114~18.04.1 USN-6094-1
Ubuntu 18.04 LTS linux-hwe-5.4 5.4.0-149.166~18.04.1 USN-6094-1
Ubuntu 18.04 LTS linux-ibm-5.4 5.4.0-1049.54~18.04.1 USN-6094-1
Ubuntu 18.04 LTS linux-oracle-5.4 5.4.0-1101.110~18.04.1 USN-6118-1
Ubuntu 18.04 LTS linux-raspi-5.4 5.4.0-1085.96~18.04.1 USN-6109-1
Show 4 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 5.15.0-1028.33 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1038.41 —
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1102.110+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1108.114+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1077.86 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1105.114+fips1 —
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
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Red Hat Rhev Hypervisor 4 perf +2 4.18.0-372.91.1.el8_6 RHSA-2024:0724
RHEL 8.8 EUS perf +26 4.18.0-477.43.1.el8_8 RHSA-2024:0575
RHEL 8.6 EUS perf +26 4.18.0-372.91.1.el8_6 RHSA-2024:0724

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 5.14.21-150500.33.3.1 SUSE-SU-2023:2646-1
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 +2 5.14.21-150400.24.55.2 SUSE-SU-2023:1710-1
SLES 15 SP4 kernel-azure +2 5.14.21-150400.14.40.1 SUSE-SU-2023:1608-1
SLES 15 SP4 kernel-default +1 5.14.21-150400.24.55.3 SUSE-SU-2023:1710-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.55.3.150400.24.22.7 SUSE-SU-2023:1710-1
SLES 15 SP4 kernel-docs +1 5.14.21-150400.24.55.1 SUSE-SU-2023:1710-1
SLES 15 SP3 kernel-64kb +7 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLES 15 SP3 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SLES 15 SP2 kernel-default-base 5.3.18-150200.24.148.1.150200.9.71.1 SUSE-SU-2023:1800-1
SLES 15 SP2 kernel-docs +5 5.3.18-150200.24.148.1 SUSE-SU-2023:1800-1
Show 20 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP3 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SLES for SAP 15 SP3 kernel-docs +5 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLES for SAP 15 SP2 kernel-default-base 5.3.18-150200.24.148.1.150200.9.71.1 SUSE-SU-2023:1800-1
SLES for SAP 15 SP2 kernel-docs +5 5.3.18-150200.24.148.1 SUSE-SU-2023:1800-1
SLE Real Time 15 SP3 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SLE Real Time 15 SP3 kernel-docs +5 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.55.3 SUSE-SU-2023:1710-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.55.3.150400.24.22.7 SUSE-SU-2023:1710-1
SLE Micro 5.4 kernel-rt 5.14.21-150400.15.18.1 SUSE-SU-2023:1609-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.55.3 SUSE-SU-2023:1710-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.55.3.150400.24.22.7 SUSE-SU-2023:1710-1
SLE Micro 5.3 kernel-rt 5.14.21-150400.15.18.1 SUSE-SU-2023:1609-1
SLE Micro 5.2 kernel-default 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLE Micro 5.2 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SLE Micro 5.2 kernel-rt 5.3.18-150300.124.1 SUSE-SU-2023:1892-1
SLE Micro 5.1 kernel-default 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLE Micro 5.1 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SLE Micro 5.1 kernel-rt 5.3.18-150300.124.1 SUSE-SU-2023:1892-1
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_1 1-150500.11.5.1 SUSE-SU-2023:2809-1
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 5.14.21-150400.24.55.3 SUSE-SU-2023:1710-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4-RT_Update_5 1-150400.1.3.1 SUSE-SU-2023:1609-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_10 1-150400.9.3.7 SUSE-SU-2023:1710-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_31 1-150300.7.3.1 SUSE-SU-2023:1811-1
SLE Live Patching 15 SP2 kernel-default 5.3.18-150200.24.148.1 SUSE-SU-2023:1800-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_35 1-150200.5.3.1 SUSE-SU-2023:1800-1
SLE HPC 15 SP3 kernel-64kb +6 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SLE HPC 15 SP3 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SLE HPC 15 SP2 kernel-default-base 5.3.18-150200.24.148.1.150200.9.71.1 SUSE-SU-2023:1800-1
SLE HPC 15 SP2 kernel-docs +5 5.3.18-150200.24.148.1 SUSE-SU-2023:1800-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.5.1 SUSE-SU-2023:2809-1
SUSE Real Time Module 15 SP4 kernel-rt +3 5.14.21-150400.15.18.1 SUSE-SU-2023:1609-1
SUSE Real Time Module 15 SP3 kernel-rt +3 5.3.18-150300.124.1 SUSE-SU-2023:1892-1
SUSE Manager Server 4.2 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SUSE Manager Server 4.2 kernel-source +3 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SUSE Manager Proxy 4.2 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SUSE Manager Proxy 4.2 kernel-source +2 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SUSE Enterprise Storage 7.1 kernel-64kb +6 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1
SUSE Enterprise Storage 7.1 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2023:1811-1
SUSE Enterprise Storage 7 kernel-default-base 5.3.18-150200.24.148.1.150200.9.71.1 SUSE-SU-2023:1800-1
SUSE Enterprise Storage 7 kernel-docs +5 5.3.18-150200.24.148.1 SUSE-SU-2023:1800-1
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 5.14.21-150500.33.3.1 SUSE-SU-2023:2646-1
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 5.14.21-150500.13.5.1 SUSE-SU-2023:2809-1
openSUSE Leap 15.4 dtb-aarch64 5.3.18-150300.59.118.1 SUSE-SU-2023:1811-1, SUSE-SU-2023:1710-1
openSUSE Leap 15.4 kernel-64kb +2 5.14.21-150400.24.55.2 SUSE-SU-2023:1710-1
openSUSE Leap 15.4 kernel-azure +2 5.14.21-150400.14.40.1 SUSE-SU-2023:1608-1
openSUSE Leap 15.4 kernel-debug +3 5.14.21-150400.24.55.3 SUSE-SU-2023:1710-1
openSUSE Leap 15.4 kernel-default-base 5.14.21-150400.24.55.3.150400.24.22.7 SUSE-SU-2023:1710-1
openSUSE Leap 15.4 kernel-docs +2 5.14.21-150400.24.55.1 SUSE-SU-2023:1710-1
openSUSE Leap 15.4 kernel-rt +3 5.14.21-150400.15.18.1 SUSE-SU-2023:1609-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.3 kernel-default 5.14.21-150400.24.55.3 SUSE-SU-2023:1710-1
openSUSE Leap Micro 5.3 kernel-default-base 5.14.21-150400.24.55.3.150400.24.22.7 SUSE-SU-2023:1710-1
openSUSE Leap Micro 5.3 kernel-rt 5.14.21-150400.15.18.1 SUSE-SU-2023:1609-1

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 34

References