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OpenAdvisories
Medium · 5.9 CVE-2025-2312 EUVD-2025-15114GHSA-c3c3-3xh6-r623

cifs.upcall makes an upcall to the wrong namespace in containerized environments

Published Mar 25, 2025 · Updated Mar 25, 2025 · Assigned by redhat-cnalr

Vendor: cifs-utils Product: cifs-utils Package: cifs-utils Package: cifs-utils Package: cifs-utils 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-6.5 Package: linux-aws-6.8 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-6.11 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-6.8 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-azure-nvidia 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-6.11 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-6.8 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-6.11 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-6.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-5.4 Package: linux-ibm-6.8 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-6.11 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-lowlatency-hwe-6.8 Package: linux-lts-xenial Package: linux-nvidia Package: linux-nvidia-6.11 Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-6.8 Package: linux-nvidia-lowlatency 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-oem-6.11 Package: linux-oem-6.5 Package: linux-oem-6.8 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-oracle-6.5 Package: linux-oracle-6.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-realtime-6.8 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-riscv-6.5 Package: linux-riscv-6.8 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx Package: linux-xilinx-zynqmp Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments. This issue may lead to disclosing sensitive data from the host's Kerberos credentials cache.

Affected products

VendorProductAffectedFixed
cifs-utils cifs-utils < 7.2 7.2

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 cifs-utils 2:7.2-1 —
Debian 13 cifs-utils 2:7.2-1 —
Debian 12 cifs-utils No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1069.71 —
Ubuntu 24.04 LTS cifs-utils 2:7.0-2ubuntu0.1 USN-7536-1
Ubuntu 24.04 LTS linux 6.8.0-62.65 USN-7595-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1030.32 USN-7595-1
Ubuntu 24.04 LTS linux-azure 6.8.0-1025.30 USN-7384-1
Ubuntu 24.04 LTS linux-azure-6.11 6.11.0-1013.13~24.04.1 USN-7628-1, USN-7448-1
Ubuntu 24.04 LTS linux-azure-nvidia 6.8.0-1014.15 USN-7468-1
Ubuntu 24.04 LTS linux-gcp 6.8.0-1031.33 USN-7595-5
Ubuntu 24.04 LTS linux-gcp-6.11 6.11.0-1016.16~24.04.1 USN-7605-1
Ubuntu 24.04 LTS linux-gke 6.8.0-1026.30 USN-7595-1
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1013.15 USN-7595-1
Ubuntu 24.04 LTS linux-hwe-6.11 6.11.0-28.28~24.04.1 USN-7605-1
Ubuntu 24.04 LTS linux-ibm 6.8.0-1027.27 USN-7595-1
Ubuntu 24.04 LTS linux-lowlatency 6.8.0-62.65.1 USN-7595-1
Ubuntu 24.04 LTS linux-lowlatency-hwe-6.11 6.11.0-1015.16~24.04.2 USN-7605-2
Ubuntu 24.04 LTS linux-nvidia 6.8.0-1029.32 USN-7595-1
Ubuntu 24.04 LTS linux-nvidia-6.11 6.11.0-1012.12 —
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1029.32.1 USN-7595-1
Ubuntu 24.04 LTS linux-nvidia-tegra 6.8.0-1008.8 —
Ubuntu 24.04 LTS linux-oem-6.11 6.11.0-1024.24 USN-7606-1
Ubuntu 24.04 LTS linux-oem-6.8 6.8.0-1029.29 USN-7595-1
Ubuntu 24.04 LTS linux-oracle 6.8.0-1027.28 USN-7595-4
Ubuntu 24.04 LTS linux-raspi 6.8.0-1029.33 USN-7595-4
Ubuntu 24.04 LTS linux-riscv +2 No fix yet —
Ubuntu 24.04 LTS linux-xilinx 6.8.0-1017.18 —
Ubuntu 22.04 LTS cifs-utils 2:6.14-1ubuntu0.2 USN-7536-1
Ubuntu 22.04 LTS linux +1 5.15.0-142.152 USN-7591-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1086.93 USN-7591-4
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1030.32~22.04.1 USN-7595-1
Ubuntu 22.04 LTS linux-azure 5.15.0-1082.91 —
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1025.30~22.04.1 USN-7384-2
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1082.91.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1085.94 USN-7591-1
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1031.33~22.04.1 USN-7595-5
Ubuntu 22.04 LTS linux-gke +1 5.15.0-1083.89 USN-7591-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1068.76 USN-7591-1
Ubuntu 22.04 LTS linux-hwe-6.8 6.8.0-64.67~22.04.1 USN-7653-1
Ubuntu 22.04 LTS linux-ibm 5.15.0-1078.81 USN-7591-1
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1027.27~22.04.1 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1081.87 USN-7591-5
Ubuntu 22.04 LTS linux-kvm 5.15.0-1082.87 USN-7591-1
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.8 6.8.0-62.65.1~22.04.1 USN-7595-1
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1080.81 USN-7591-1
Ubuntu 22.04 LTS linux-nvidia-6.8 6.8.0-1029.32~22.04.1 USN-7595-1
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1039.39 USN-7591-1
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1028.28 USN-7591-1
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1027.28~22.04.1 USN-7595-4
Ubuntu 22.04 LTS linux-raspi 5.15.0-1080.83 USN-7591-6
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.8 6.8.0-62.65~22.04.1 —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1050.54 USN-7602-1
Ubuntu 20.04 LTS cifs-utils 2:6.9-1ubuntu0.3 USN-7536-1
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1082.91~20.04.1 —
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 18.04 LTS linux-gcp +15 No fix yet —
Show 16 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 24.04 LTS linux-raspi-realtime 6.8.0-2024.25 USN-7595-3
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1023.24 USN-7595-2
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1079.81 USN-7591-3
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1086.95 USN-7591-3
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1023.24~22.04.1 —
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 24.04 LTS linux-fips 6.8.0-78.78+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1086.93+fips1 USN-7591-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1082.91+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-142.152+fips1 USN-7591-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1085.94+fips1 USN-7591-2
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1147.157+fips1 USN-7585-2
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1153.160+fips1 USN-7585-3
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1121.131 USN-7585-3
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1150.159+fips1 USN-7585-2
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 20.04 LTS linux 5.4.0-218.238 USN-7585-1
Ubuntu Pro 20.04 LTS linux-aws 5.4.0-1147.157 USN-7585-1
Ubuntu Pro 20.04 LTS linux-aws-5.15 5.15.0-1086.93~20.04.1 USN-7592-1
Ubuntu Pro 20.04 LTS linux-azure 5.4.0-1152.159 USN-7585-1
Ubuntu Pro 20.04 LTS linux-bluefield 5.4.0-1106.113 USN-7585-6
Ubuntu Pro 20.04 LTS linux-gcp 5.4.0-1150.159 USN-7585-1
Ubuntu Pro 20.04 LTS linux-gcp-5.15 5.15.0-1085.94~20.04.1 USN-7592-1
Ubuntu Pro 20.04 LTS linux-hwe-5.15 +1 5.15.0-142.152~20.04.1 USN-7593-1, USN-7592-1
Ubuntu Pro 20.04 LTS linux-ibm 5.4.0-1093.98 USN-7585-1
Ubuntu Pro 20.04 LTS linux-ibm-5.15 5.15.0-1078.81~20.04.1 USN-7592-1
Ubuntu Pro 20.04 LTS linux-iot 5.4.0-1051.54 USN-7640-1
Ubuntu Pro 20.04 LTS linux-kvm 5.4.0-1134.143 USN-7585-1
Ubuntu Pro 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1039.39~20.04.1 —
Ubuntu Pro 20.04 LTS linux-oracle 5.4.0-1145.155 USN-7585-1
Ubuntu Pro 20.04 LTS linux-oracle-5.15 +1 5.15.0-1083.89~20.04.1 USN-7655-1, USN-7592-1
Ubuntu Pro 20.04 LTS linux-raspi 5.4.0-1130.143 USN-7585-7
Ubuntu Pro 20.04 LTS linux-riscv-5.15 5.15.0-1081.85~20.04.1 —
Ubuntu Pro 20.04 LTS linux-xilinx-zynqmp 5.4.0-1065.69 USN-7585-1
Ubuntu Pro 18.04 LTS linux +5 No fix yet —
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1147.157~18.04.1 USN-7585-1
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1152.159~18.04.1 USN-7585-4
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1150.159~18.04.1 USN-7585-1
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-218.238~18.04.1 USN-7585-5
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1093.98~18.04.1 USN-7585-1
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1145.155~18.04.1 USN-7585-1
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1130.143~18.04.1 USN-7585-7
Ubuntu Pro 16.04 LTS linux +8 No fix yet —
Ubuntu Pro 14.04 LTS linux +4 No fix yet —
ReleasePackageFixed inAdvisory
SLES 15 SP7 kernel-64kb +6 6.4.0-150700.53.3.1 SUSE-SU-2025:01951-1
SLES 15 SP7 kernel-azure +2 6.4.0-150700.20.3.1 SUSE-SU-2025:01967-1
SLES 15 SP7 kernel-default-base 6.4.0-150700.53.3.1.150700.17.2.1 SUSE-SU-2025:01951-1
SLES 15 SP6 cifs-utils 6.15-150400.3.12.1 SUSE-SU-2025:1381-1
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.50.1 SUSE-SU-2025:01614-1
SLES 15 SP6 kernel-azure +2 6.4.0-150600.8.37.1 SUSE-SU-2025:01707-1
SLES 15 SP6 kernel-coco +3 6.4.0-15061.21.coco15sp6.1 SUSE-SU-2025:01919-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.50.1.150600.12.22.1 SUSE-SU-2025:01614-1
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.103.1 SUSE-SU-2025:01620-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.103.1.150500.6.49.1 SUSE-SU-2025:01620-1
Show 11 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.103.1.150500.6.49.1 SUSE-SU-2025:01620-1
SLES for SAP 15 SP5 kernel-docs +4 5.14.21-150500.55.103.1 SUSE-SU-2025:01620-1
SLE Micro 6.1 kernel-default-base 6.4.0-28.1.21.6 SUSE-SU-2025:20270-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0-RT_Update_7 1-1.3 SUSE-SU-2025:20283-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_6 1-3.1 SUSE-SU-2025:20270-1
SLE Micro 6.1 kernel-rt +1 6.4.0-30.1 SUSE-SU-2025:20283-1
SLE Micro 6.1 kernel-source +2 6.4.0-28.1 SUSE-SU-2025:20270-1
SLE Micro 6.0 kernel-default-base 6.4.0-28.1.21.6 SUSE-SU-2025:20192-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0-RT_Update_7 1-1.3 SUSE-SU-2025:20206-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_6 1-3.1 SUSE-SU-2025:20192-1
SLE Micro 6.0 kernel-rt +1 6.4.0-30.1 SUSE-SU-2025:20206-1
SLE Micro 6.0 kernel-source +2 6.4.0-28.1 SUSE-SU-2025:20192-1
SLE Micro 5.5 cifs-utils 6.15-150400.3.12.1 SUSE-SU-2025:1381-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.103.1.150500.6.49.1 SUSE-SU-2025:01620-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.94.1 SUSE-SU-2025:01640-1
SLE Micro 5.5 kernel-source +1 5.14.21-150500.55.103.1 SUSE-SU-2025:01620-1
SLE Micro 5.4 cifs-utils 6.15-150400.3.12.1 SUSE-SU-2025:1381-1
SLE Micro 5.3 cifs-utils 6.15-150400.3.12.1 SUSE-SU-2025:1381-1
SLE Live Patching 15 SP7 kernel-default 6.4.0-150700.53.3.1 SUSE-SU-2025:01951-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_1 1-150700.15.3.1 SUSE-SU-2025:01951-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.50.1 SUSE-SU-2025:01614-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_11 1-150600.1.3.2 SUSE-SU-2025:01964-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_11 1-150600.13.3.1 SUSE-SU-2025:01614-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.103.1 SUSE-SU-2025:01620-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_26 1-150500.11.3.1 SUSE-SU-2025:01620-1
SLE HPC 15 SP5 kernel-64kb +5 5.14.21-150500.55.103.1 SUSE-SU-2025:01620-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.103.1.150500.6.49.1 SUSE-SU-2025:01620-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.39.1 SUSE-SU-2025:01964-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 cifs-utils 6.15-150400.3.12.1 SUSE-SU-2025:1381-1
openSUSE Leap 15.6 dtb-aarch64 +10 6.4.0-150600.23.50.1 SUSE-SU-2025:01614-1
openSUSE Leap 15.6 kernel-azure +2 6.4.0-150600.8.37.1 SUSE-SU-2025:01707-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.50.1.150600.12.22.1 SUSE-SU-2025:01614-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.39.1 SUSE-SU-2025:01964-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 cifs-utils +3 7.5-1.amzn2023.0.3 ALAS2023-2026-1597

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 cifs-utils 7.3-1 —
Azure Linux 2 (CBL-Mariner) cifs-utils 6.14-3 —

Advisories 47

References