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OpenAdvisories

Description

A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the register_netdevice function fails (NETDEV_REGISTER notifier). This flaw allows a local user to crash or potentially escalate their privileges on the system.

Affected products

VendorProductAffectedFixed
— Kernel Linux kernel 5.16-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 5.15.15-1 —
Debian 13 linux 5.15.15-1 —
Debian 12 linux 5.15.15-1 —
Debian 10 linux 4.19.282-1 DLA-3403-1
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS linux-riscv No fix yet —
Ubuntu 20.04 LTS linux-oem-5.14 5.14.0-1022.24 —
Ubuntu 20.04 LTS linux-riscv +22 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
ReleasePackageFixed inAdvisory
RHEL 9 kernel-rt +12 5.14.0-162.22.2.rt21.186.el9_1 RHSA-2023:1469
RHEL 9 kpatch-patch-5_14_0-162_12_1 1-2.el9_1 RHSA-2023:1471
RHEL 9 kpatch-patch-5_14_0-162_18_1 1-1.el9_1 RHSA-2023:1471
RHEL 9 kpatch-patch-5_14_0-162_6_1 1-3.el9_1 RHSA-2023:1471
RHEL 9 perf +29 5.14.0-162.22.2.el9_1 RHSA-2023:1470
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 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
RHEL 9.0 EUS kernel-rt +12 5.14.0-70.50.2.rt21.122.el9_0 RHSA-2023:1467
RHEL 9.0 EUS kpatch-patch-5_14_0-70_26_1 1-6.el9_0 RHSA-2023:1466
RHEL 9.0 EUS kpatch-patch-5_14_0-70_30_1 1-4.el9_0 RHSA-2023:1466
RHEL 9.0 EUS kpatch-patch-5_14_0-70_36_1 1-3.el9_0 RHSA-2023:1466
RHEL 9.0 EUS kpatch-patch-5_14_0-70_43_1 1-2.el9_0 RHSA-2023:1466
RHEL 9.0 EUS kpatch-patch-5_14_0-70_49_1 1-1.el9_0 RHSA-2023:1466
RHEL 9.0 EUS perf +29 5.14.0-70.50.2.el9_0 RHSA-2023:1468
RHEL 8.8 EUS perf +26 4.18.0-477.51.1.el8_8 RHSA-2024:1404

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 9 kernel-rt +11 5.14.0-162.22.2.rt21.186.el9_1 ALSA-2023:1469
AlmaLinux 9 perf +26 5.14.0-162.22.2.el9_1 ALSA-2023:1470
AlmaLinux 8 perf +24 4.18.0-513.5.1.el8_9 ALSA-2023:7077

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 9 kernel 5.14.0-162.22.2.el9_1 RLSA-2023:1470
Rocky Linux 9 kernel-rt 5.14.0-162.22.2.rt21.186.el9_1 RLSA-2023:1469
ReleasePackageFixed inAdvisory
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.7.1 SUSE-SU-2024:1480-1, SUSE-SU-2023:2871-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.3.1 SUSE-SU-2024:1490-1, SUSE-SU-2023:2646-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.7.1.150500.6.2.5 SUSE-SU-2024:1480-1, SUSE-SU-2023:2871-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.60.1 SUSE-SU-2024:1321-1, SUSE-SU-2023:1897-1
SLES 15 SP4 kernel-azure +2 5.14.21-150400.14.43.1 SUSE-SU-2023:1802-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2024:1321-1, SUSE-SU-2023:1897-1
SLES 15 SP3 kernel-64kb +7 5.3.18-150300.59.118.1 SUSE-SU-2024:1489-1, SUSE-SU-2023:1811-1
SLES 15 SP3 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2024:1489-1, SUSE-SU-2023:1811-1
SLES 15 SP2 kernel-default-base 5.3.18-150200.24.148.1.150200.9.71.1 SUSE-SU-2024:1454-1, SUSE-SU-2023:1800-1
SLES 15 SP2 kernel-docs +5 5.3.18-150200.24.148.1 SUSE-SU-2024:1454-1, SUSE-SU-2023:1800-1
Show 25 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.116.1.150400.24.54.5 SUSE-SU-2024:1321-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.116.1 SUSE-SU-2024:1321-1
SLES for SAP 15 SP3 kernel-default-base 5.3.18-150300.59.118.1.150300.18.68.1 SUSE-SU-2024:1489-1, SUSE-SU-2023:1811-1
SLES for SAP 15 SP3 kernel-docs +5 5.3.18-150300.59.118.1 SUSE-SU-2024:1489-1, 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-2024:1454-1, SUSE-SU-2023:1800-1
SLES for SAP 15 SP2 kernel-docs +5 5.3.18-150200.24.148.1 SUSE-SU-2024:1454-1, 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 5.5 kernel-default 5.14.21-150500.55.59.1 SUSE-SU-2024:1480-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.59.1.150500.6.25.7 SUSE-SU-2024:1480-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.47.1 SUSE-SU-2024:1466-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.60.1 SUSE-SU-2024:1321-1, SUSE-SU-2023:1897-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2024:1321-1, SUSE-SU-2023:1897-1
SLE Micro 5.4 kernel-rt 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.60.1 SUSE-SU-2024:1321-1, SUSE-SU-2023:1897-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2024:1321-1, SUSE-SU-2023:1897-1
SLE Micro 5.3 kernel-rt 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1
SLE Micro 5.2 kernel-default 5.3.18-150300.59.118.1 SUSE-SU-2024:1489-1, 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-2024:1489-1, 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-2024:1489-1, 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-2024:1489-1, 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-2024:1480-1, 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-RT_Update_13 1-150500.11.3.1 SUSE-SU-2024:1466-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_1 +1 1-150500.11.7.1 SUSE-SU-2024:1480-1, SUSE-SU-2023:2871-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.60.1 SUSE-SU-2024:1321-1, SUSE-SU-2023:1897-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4-RT_Update_6 1-150400.1.3.3 SUSE-SU-2023:1992-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_1 +1 12-150400.2.3 SUSE-SU-2023:2755-1, SUSE-SU-2023:2714-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_11 1-150400.9.3.2 SUSE-SU-2023:1897-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_25 1-150400.9.5.1 SUSE-SU-2024:1321-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-150300.59.118.1 SUSE-SU-2024:1489-1, SUSE-SU-2023:1811-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_20 14-150300.2.2 SUSE-SU-2023:2710-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_22 13-150300.2.2 SUSE-SU-2023:2741-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_23 12-150300.2.2 SUSE-SU-2023:2727-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_28 6-150300.2.2 SUSE-SU-2023:2724-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_30 4-150300.2.1 SUSE-SU-2023:2701-1
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 SP3 kernel-livepatch-SLE15-SP3_Update_43 1-150300.7.3.5 SUSE-SU-2024:1489-1
SLE Live Patching 15 SP2 kernel-default 5.3.18-150200.24.148.1 SUSE-SU-2024:1454-1, SUSE-SU-2023:1800-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_29 12-150200.2.2 SUSE-SU-2023:2694-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_30 9-150200.2.2 SUSE-SU-2023:2695-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_32 6-150200.2.2 SUSE-SU-2023:2727-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_33 5-150200.2.2 SUSE-SU-2023:2698-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_35 1-150200.5.3.1 SUSE-SU-2023:1800-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_47 1-150200.5.3.3 SUSE-SU-2024:1454-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.116.1 SUSE-SU-2024:1321-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.116.1.150400.24.54.5 SUSE-SU-2024:1321-1
SLE HPC 15 SP3 kernel-64kb +6 5.3.18-150300.59.118.1 SUSE-SU-2024:1489-1, 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-2024:1489-1, 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-2024:1454-1, SUSE-SU-2023:1800-1
SLE HPC 15 SP2 kernel-docs +5 5.3.18-150200.24.148.1 SUSE-SU-2024:1454-1, SUSE-SU-2023:1800-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.5.1 SUSE-SU-2024:1466-1, SUSE-SU-2023:2809-1
SUSE Real Time Module 15 SP4 kernel-rt +3 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1
SUSE Real Time Module 15 SP3 kernel-rt +3 5.3.18-150300.124.1 SUSE-SU-2023:1892-1
SUSE Manager Server 4.3 kernel-default-base 5.14.21-150400.24.116.1.150400.24.54.5 SUSE-SU-2024:1321-1
SUSE Manager Server 4.3 kernel-syms +3 5.14.21-150400.24.116.1 SUSE-SU-2024:1321-1
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 4.3 kernel-default-base 5.14.21-150400.24.116.1.150400.24.54.5 SUSE-SU-2024:1321-1
SUSE Manager Proxy 4.3 kernel-syms +2 5.14.21-150400.24.116.1 SUSE-SU-2024:1321-1
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-2024:1489-1, 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-2024:1489-1, 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-2024:1480-1, SUSE-SU-2023:2871-1
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.3.1 SUSE-SU-2024:1490-1, 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-2024:1480-1, SUSE-SU-2023:2871-1
openSUSE Leap 15.5 kernel-rt +3 5.14.21-150500.13.5.1 SUSE-SU-2024:1466-1, SUSE-SU-2023:2809-1
openSUSE Leap 15.4 dtb-aarch64 5.3.18-150300.59.118.1 SUSE-SU-2023:1897-1, SUSE-SU-2023:1811-1
openSUSE Leap 15.4 kernel-64kb +9 5.14.21-150400.24.60.1 SUSE-SU-2023:1897-1
openSUSE Leap 15.4 kernel-azure +2 5.14.21-150400.14.43.1 SUSE-SU-2023:1802-1
openSUSE Leap 15.4 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2023:1897-1
openSUSE Leap 15.4 kernel-rt +3 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.4 kernel-default 5.14.21-150400.24.116.1 SUSE-SU-2024:1321-1
openSUSE Leap Micro 5.4 kernel-default-base 5.14.21-150400.24.116.1.150400.24.54.5 SUSE-SU-2024:1321-1
openSUSE Leap Micro 5.3 kernel-default 5.14.21-150400.24.60.1 SUSE-SU-2024:1321-1, SUSE-SU-2023:1897-1
openSUSE Leap Micro 5.3 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2024:1321-1, SUSE-SU-2023:1897-1
openSUSE Leap Micro 5.3 kernel-rt 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 perf +21 5.14.0-162.22.2.el9_1 ELSA-2023-1470
Oracle Linux 8 perf +19 4.18.0-513.5.1.el8_9 ELSA-2023-7077

Advisories 46

References