🛡️ UBUNTU-CVE-2025-39839
⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix OOB read/write in network-coding decode batadv_nc_skb_decode_packet() trusts coded_len and checks only against skb->len. XOR starts at sizeof(struct batadv_unicast_packet), reducing payload headroom, and the source skb length is not verified, allowing an out-of-bounds read and a small out-of-bounds write. Validate that coded_len fits within the payload area of both destination and source sk_buffs before XORing.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2025-09-19
Updated 2026-06-15
Modified 2026-06-08
Fix URL N/A

Affected Packages

Software From version Fixed in
linux 6.8.0-106.106
linux-allwinner-5.19
linux-aws 6.8.0-1050.53
linux-aws-5.0
linux-aws-5.11
linux-aws-5.13
linux-aws-5.15 5.15.0-1097.104~20.04.1
linux-aws-5.19
linux-aws-5.3
linux-aws-5.4
linux-aws-5.8
linux-aws-6.14
linux-aws-6.2
linux-aws-6.5
linux-aws-6.8 6.8.0-1050.53~22.04.1
linux-aws-fips 6.8.0-1050.53+fips1
linux-aws-hwe
linux-azure 6.8.0-1051.57
linux-azure-4.15
linux-azure-5.11
linux-azure-5.13
linux-azure-5.15 5.15.0-1102.111~20.04.1
linux-azure-5.19
linux-azure-5.3
linux-azure-5.4
linux-azure-5.8
linux-azure-6.11
linux-azure-6.14
linux-azure-6.2
linux-azure-6.5
linux-azure-6.8 6.8.0-1051.57~22.04.1
linux-azure-edge
linux-azure-fde
linux-azure-fde-5.19
linux-azure-fde-6.14
linux-azure-fde-6.17
linux-azure-fde-6.2
linux-azure-fde-6.8
linux-azure-fips 6.8.0-1052.58+fips1
linux-azure-nvidia
linux-azure-nvidia-6.14
linux-bluefield
linux-fips 6.8.0-106.106+fips1
linux-gcp 6.8.0-1052.55
linux-gcp-4.15
linux-gcp-5.11
linux-gcp-5.13
linux-gcp-5.15 5.15.0-1097.106~20.04.1
linux-gcp-5.19
linux-gcp-5.3
linux-gcp-5.4
linux-gcp-5.8
linux-gcp-6.11
linux-gcp-6.14
linux-gcp-6.2
linux-gcp-6.5
linux-gcp-6.8 6.8.0-1052.55~22.04.1
linux-gcp-fips 6.8.0-1052.55+fips1
linux-gke 6.8.0-1048.53
linux-gke-4.15
linux-gke-5.15
linux-gke-5.4
linux-gkeop 6.8.0-1035.38
linux-gkeop-5.15
linux-gkeop-5.4
linux-hwe
linux-hwe-5.11
linux-hwe-5.13
linux-hwe-5.15 5.15.0-163.173~20.04.1
linux-hwe-5.19
linux-hwe-5.4
linux-hwe-5.8
linux-hwe-6.11
linux-hwe-6.14
linux-hwe-6.2
linux-hwe-6.5
linux-hwe-6.8 6.8.0-106.106~22.04.1
linux-hwe-edge
linux-ibm 6.8.0-1049.49
linux-ibm-5.15 5.15.0-1091.94~20.04.1
linux-ibm-5.4
linux-ibm-6.8 6.8.0-1049.49~22.04.1
linux-intel
linux-intel-5.13
linux-intel-iot-realtime 5.15.0-1089.91
linux-intel-iotg 5.15.0-1092.98
linux-intel-iotg-5.15 5.15.0-1092.98~20.04.1
linux-iot
linux-kvm 5.15.0-1089.94
linux-lowlatency 6.8.0-106.106.1
linux-lowlatency-hwe-5.15 5.15.0-163.173~20.04.1
linux-lowlatency-hwe-5.19
linux-lowlatency-hwe-6.11
linux-lowlatency-hwe-6.2
linux-lowlatency-hwe-6.5
linux-lowlatency-hwe-6.8 6.8.0-106.106.1~22.04.1
linux-lts-xenial
linux-nvidia 6.8.0-1049.52
linux-nvidia-6.11
linux-nvidia-6.2
linux-nvidia-6.5
linux-nvidia-6.8 6.8.0-1049.52~22.04.1
linux-nvidia-lowlatency 6.8.0-1049.52.1
linux-nvidia-tegra 6.8.0-1020.20
linux-nvidia-tegra-5.15 5.15.0-1049.49~20.04.1
linux-nvidia-tegra-igx 5.15.0-1038.38
linux-oem
linux-oem-5.10
linux-oem-5.13
linux-oem-5.14
linux-oem-5.17
linux-oem-5.6
linux-oem-6.0
linux-oem-6.1
linux-oem-6.11
linux-oem-6.14
linux-oem-6.5
linux-oem-6.8
linux-oracle 6.8.0-1047.48
linux-oracle-5.0
linux-oracle-5.11
linux-oracle-5.13
linux-oracle-5.15 5.15.0-1094.100~20.04.1
linux-oracle-5.3
linux-oracle-5.4
linux-oracle-5.8
linux-oracle-6.14
linux-oracle-6.5
linux-oracle-6.8 6.8.0-1047.48~22.04.1
linux-raspi 6.8.0-1050.54
linux-raspi-5.4
linux-raspi-realtime 6.8.0-2040.41
linux-raspi2
linux-realtime 6.8.1-1045.46
linux-realtime-6.14
linux-realtime-6.8 6.8.1-1045.46~22.04.1
linux-riscv
linux-riscv-5.11
linux-riscv-5.15 5.15.0-1092.96~20.04.1
linux-riscv-5.19
linux-riscv-5.8
linux-riscv-6.14
linux-riscv-6.5
linux-riscv-6.8 6.8.0-106.106~22.04.1
linux-starfive-5.19
linux-starfive-6.2
linux-starfive-6.5
linux-xilinx 6.8.0-1028.29
linux-xilinx-zynqmp 5.15.0-1061.65

References

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