synced 11 MIN AGO
01 Record

CVE-2025-38248

bridge: mcast: Fix use-after-free during router port configuration

HighPUBLISHEDCNA: Linux
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
View raw JSON

02 Description

bridge: mcast: Fix use-after-free during router port configuration

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.29% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 22.5% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-07-30.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2025-07-09 10:42Z1 YR AGO
Last updated
2026-08-05 12:00Z2 MO AGO
Reserved
2025-04-16
Assigning CNA
Linux
Record state
PUBLISHED
Severity
High (CVSS 7.8)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
Data version
5.2
Document digest
079394b96b8b55bf7c8a7a53890a606b45a756392fc899233a1faff384c37307

05 Affected products

VendorProductVersionsPlatforms
LinuxLinux2796d846d74a18cc6563e96eff8bf28c5e06f912 to < 4d3c2a1d4c7c33103f1ddfdbc5cfe1ea4f6d0dcd, 2796d846d74a18cc6563e96eff8bf28c5e06f912 to < bdced577da71b118b6ed4242ebd47f81bf54d406, 2796d846d74a18cc6563e96eff8bf28c5e06f912 to < f05a4f9e959e0fc098046044c650acf897ea52d2, 2796d846d74a18cc6563e96eff8bf28c5e06f912 to < 7544f3f5b0b58c396f374d060898b5939da31709, 5.15—

06 References

07 Fixed in

AlmaLinux 8

  • bpftool
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-abi-stablelists
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-core
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-cross-headers
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-debug
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-debug-core
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-debug-devel
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-debug-modules
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-debug-modules-extra
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-devel
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-doc
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-headers
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-modules
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-modules-extra
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-rt
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-core
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-debug
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-debug-core
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-debug-devel
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-debug-modules
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-debug-modules-extra
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-devel
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-modules
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-modules-extra
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-tools
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-tools-libs
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-tools-libs-devel
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-zfcpdump
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-zfcpdump-core
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-zfcpdump-devel
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-zfcpdump-modules
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-zfcpdump-modules-extra
    Fixed in 4.18.0-553.107.1.el8_10
  • perf
    Fixed in 4.18.0-553.107.1.el8_10
  • python3-perf
    Fixed in 4.18.0-553.107.1.el8_10

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 8

  • bpftool
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-abi-stablelists
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-core
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-cross-headers
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-debug
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-debug-core
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-debug-devel
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-debug-modules
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-debug-modules-extra
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-devel
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-doc
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-headers
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-modules
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-modules-extra
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-rt
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-core
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-debug
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-debug-core
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-debug-devel
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-debug-modules
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-debug-modules-extra
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-devel
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-modules
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-rt-modules-extra
    Fixed in 4.18.0-553.107.1.rt7.448.el8_10
  • kernel-tools
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-tools-libs
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-tools-libs-devel
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-zfcpdump
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-zfcpdump-core
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-zfcpdump-devel
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-zfcpdump-modules
    Fixed in 4.18.0-553.107.1.el8_10
  • kernel-zfcpdump-modules-extra
    Fixed in 4.18.0-553.107.1.el8_10
  • perf
    Fixed in 4.18.0-553.107.1.el8_10
  • python3-perf
    Fixed in 4.18.0-553.107.1.el8_10

Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Debian 12

  • linux
    No fix yet

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • linux
    Fixed in 6.12.69-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • linux
    Fixed in 6.16.3-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • linux-hwe-edge
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • linux-aws-5.0
    No fix yet
  • linux-aws-5.3
    No fix yet
  • linux-azure
    No fix yet
  • linux-azure-5.3
    No fix yet
  • linux-azure-edge
    No fix yet
  • linux-gcp
    No fix yet
  • linux-gcp-5.3
    No fix yet
  • linux-gke-4.15
    No fix yet
  • linux-gke-5.4
    No fix yet
  • linux-gkeop-5.4
    No fix yet
  • linux-hwe
    No fix yet
  • linux-hwe-edge
    No fix yet
  • linux-oem
    No fix yet
  • linux-oracle-5.0
    No fix yet
  • linux-oracle-5.3
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • linux-aws-5.11
    No fix yet
  • linux-aws-5.13
    No fix yet
  • linux-aws-5.8
    No fix yet
  • linux-azure-5.11
    No fix yet
  • linux-azure-5.13
    No fix yet
  • linux-azure-5.8
    No fix yet
  • linux-azure-fde
    No fix yet
  • linux-gcp-5.11
    No fix yet
  • linux-gcp-5.13
    No fix yet
  • linux-gcp-5.8
    No fix yet
  • linux-gke
    No fix yet
  • linux-gke-5.15
    No fix yet
  • linux-gkeop
    No fix yet
  • linux-gkeop-5.15
    No fix yet
  • linux-hwe-5.11
    No fix yet
  • linux-hwe-5.13
    No fix yet
  • linux-hwe-5.8
    No fix yet
  • linux-intel-5.13
    No fix yet
  • linux-oem-5.10
    No fix yet
  • linux-oem-5.13
    No fix yet
  • linux-oem-5.14
    No fix yet
  • linux-oem-5.6
    No fix yet
  • linux-oracle-5.11
    No fix yet
  • linux-oracle-5.13
    No fix yet
  • linux-oracle-5.8
    No fix yet
  • linux-raspi2
    No fix yet
  • linux-riscv
    No fix yet
  • linux-riscv-5.11
    No fix yet
  • linux-riscv-5.8
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • linux
    Fixed in 5.15.0-170.180
  • linux-allwinner-5.19
    No fix yet
  • linux-aws
    Fixed in 5.15.0-1100.107
  • linux-aws-5.19
    No fix yet
  • linux-aws-6.2
    No fix yet
  • linux-aws-6.5
    No fix yet
  • linux-aws-6.8
    Fixed in 6.8.0-1046.49~22.04.1
  • linux-azure
    Fixed in 5.15.0-1109.118
  • linux-azure-5.19
    No fix yet
  • linux-azure-6.2
    No fix yet
  • linux-azure-6.5
    No fix yet
  • linux-azure-6.8
    Fixed in 6.8.0-1051.57~22.04.1
  • linux-azure-fde
    Fixed in 5.15.0-1109.118.1
  • linux-azure-fde-5.19
    No fix yet
  • linux-azure-fde-6.2
    No fix yet
  • linux-azure-fde-6.8
    Fixed in 6.8.0-1046.53~22.04.1
  • linux-gcp
    Fixed in 5.15.0-1100.109
  • linux-gcp-5.19
    No fix yet
  • linux-gcp-6.2
    No fix yet
  • linux-gcp-6.5
    No fix yet
  • linux-gcp-6.8
    Fixed in 6.8.0-1047.50~22.04.2
  • linux-gke
    Fixed in 5.15.0-1096.102
  • linux-gkeop
    Fixed in 5.15.0-1083.91
  • linux-hwe-5.19
    No fix yet
  • linux-hwe-6.2
    No fix yet
  • linux-hwe-6.5
    No fix yet
  • linux-hwe-6.8
    Fixed in 6.8.0-100.100~22.04.1
  • linux-ibm
    Fixed in 5.15.0-1094.97
  • linux-ibm-6.8
    Fixed in 6.8.0-1044.44~22.04.1
  • linux-intel-iot-realtime
    No fix yet
  • linux-intel-iotg
    Fixed in 5.15.0-1095.101
  • linux-kvm
    Fixed in 5.15.0-1092.97
  • linux-lowlatency
    Fixed in 5.15.0-170.180
  • linux-lowlatency-hwe-5.19
    No fix yet
  • linux-lowlatency-hwe-6.2
    No fix yet
  • linux-lowlatency-hwe-6.5
    No fix yet
  • linux-lowlatency-hwe-6.8
    Fixed in 6.8.0-100.100.1~22.04.1
  • linux-nvidia
    Fixed in 5.15.0-1095.96
  • linux-nvidia-6.2
    No fix yet
  • linux-nvidia-6.5
    No fix yet

20 further packages in Ubuntu 22.04 LTS not shown (first 40 listed).

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 24.04 LTS

  • linux
    Fixed in 6.8.0-100.100
  • linux-aws
    Fixed in 6.8.0-1046.49
  • linux-aws-6.14
    Fixed in 6.14.0-1015.15~24.04.1
  • linux-azure
    Fixed in 6.8.0-1046.52
  • linux-azure-6.11
    No fix yet
  • linux-azure-6.14
    Fixed in 6.14.0-1014.14~24.04.1
  • linux-azure-fde
    Fixed in 6.8.0-1046.53
  • linux-azure-nvidia
    No fix yet
  • linux-azure-nvidia-6.14
    Fixed in 6.14.0-1007.7
  • linux-gcp
    Fixed in 6.8.0-1047.50
  • linux-gcp-6.11
    No fix yet
  • linux-gcp-6.14
    Fixed in 6.14.0-1018.19~24.04.1
  • linux-gke
    Fixed in 6.8.0-1043.48
  • linux-gkeop
    Fixed in 6.8.0-1030.33
  • linux-hwe-6.11
    No fix yet
  • linux-ibm
    Fixed in 6.8.0-1044.44
  • linux-intel
    No fix yet
  • linux-lowlatency
    Fixed in 6.8.0-100.100.1
  • linux-lowlatency-hwe-6.11
    No fix yet
  • linux-nvidia
    Fixed in 6.8.0-1046.49
  • linux-nvidia-6.11
    No fix yet
  • linux-nvidia-lowlatency
    Fixed in 6.8.0-1046.49.1
  • linux-nvidia-tegra
    Fixed in 6.8.0-1020.20
  • linux-oem-6.11
    No fix yet
  • linux-oem-6.14
    Fixed in 6.14.0-1014.14
  • linux-oem-6.8
    No fix yet
  • linux-oracle
    Fixed in 6.8.0-1043.44
  • linux-oracle-6.14
    Fixed in 6.14.0-1015.15~24.04.1
  • linux-raspi
    Fixed in 6.8.0-1047.51
  • linux-raspi-realtime
    No fix yet
  • linux-realtime
    No fix yet
  • linux-riscv
    No fix yet
  • linux-riscv-6.14
    Fixed in 6.14.0-34.34.1~24.04.1
  • linux-xilinx
    Fixed in 6.8.0-1023.24

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 25.10

  • linux-azure-fde
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Nvidia-BlueField 22.04 LTS

  • linux-bluefield
    Fixed in 5.15.0-1084.86

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Nvidia-BlueField 24.04 LTS

  • linux-bluefield
    Fixed in 6.8.0-1016.20

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 20.04 LTS

  • linux-aws-5.15
    Fixed in 5.15.0-1100.107~20.04.2
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
  • linux-azure-5.15
    Fixed in 5.15.0-1110.119~20.04.1
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
  • linux-gcp-5.15
    Fixed in 5.15.0-1100.109~20.04.1
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
  • linux-hwe-5.15
    Fixed in 5.15.0-170.180~20.04.3
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
  • linux-ibm-5.15
    Fixed in 5.15.0-1094.97~20.04.1
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
  • linux-intel-iotg-5.15
    Fixed in 5.15.0-1095.101~20.04.1
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
  • linux-lowlatency-hwe-5.15
    Fixed in 5.15.0-170.180~20.04.1
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
  • linux-nvidia-tegra-5.15
    Fixed in 5.15.0-1052.52~20.04.2
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
  • linux-oracle-5.15
    Fixed in 5.15.0-1097.103~20.04.1
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
  • linux-riscv-5.15
    Fixed in 5.15.0-1095.99~20.04.1
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro FIPS-preview 22.04 LTS

  • linux-aws-fips
    No fix yet
  • linux-azure-fips
    No fix yet
  • linux-fips
    No fix yet
  • linux-gcp-fips
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro FIPS-updates 22.04 LTS

  • linux-aws-fips
    Fixed in 5.15.0-1100.107+fips1
    Available with Ubuntu Pro: https://ubuntu.com/pro
  • linux-azure-fips
    Fixed in 5.15.0-1109.118+fips1
    Available with Ubuntu Pro: https://ubuntu.com/pro
  • linux-fips
    Fixed in 5.15.0-170.180+fips1
    Available with Ubuntu Pro: https://ubuntu.com/pro
  • linux-gcp-fips
    Fixed in 5.15.0-1100.109+fips1
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro FIPS-updates 24.04 LTS

  • linux-aws-fips
    Fixed in 6.8.0-1046.49+fips1
    Available with Ubuntu Pro: https://ubuntu.com/pro
  • linux-azure-fips
    Fixed in 6.8.0-1046.52+fips1
    Available with Ubuntu Pro: https://ubuntu.com/pro
  • linux-fips
    Fixed in 6.8.0-100.100+fips1
    Available with Ubuntu Pro: https://ubuntu.com/pro
  • linux-gcp-fips
    Fixed in 6.8.0-1047.50+fips1
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro Realtime 22.04 LTS

  • linux-intel-iot-realtime
    Fixed in 5.15.0-1092.94
    Available with Ubuntu Pro: https://ubuntu.com/pro
  • linux-realtime
    Fixed in 5.15.0-1099.108
    Available with Ubuntu Pro: https://ubuntu.com/pro
  • linux-realtime-6.8
    Fixed in 6.8.1-1041.42~22.04.1
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro Realtime 24.04 LTS

  • linux-raspi-realtime
    Fixed in 6.8.0-2037.38
    Available with Ubuntu Pro: https://ubuntu.com/pro
  • linux-realtime
    Fixed in 6.8.1-1041.42
    Available with Ubuntu Pro: https://ubuntu.com/pro
  • linux-realtime-6.14
    Fixed in 6.14.0-1014.14~24.04.1
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.