🛡️ UBUNTU-CVE-2023-53802
⚪ 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: wifi: ath9k: htc_hst: free skb in ath9k_htc_rx_msg() if there is no callback function It is stated that ath9k_htc_rx_msg() either frees the provided skb or passes its management to another callback function. However, the skb is not freed in case there is no another callback function, and Syzkaller was able to cause a memory leak. Also minor comment fix. Found by Linux Verification Center (linuxtesting.org) with Syzkaller.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2025-12-09
Updated 2026-06-15
Modified 2026-06-08
Fix URL N/A

Affected Packages

Software From version Fixed in
linux 5.15.0-75.82
linux-allwinner-5.19
linux-aws 5.15.0-1038.43
linux-aws-5.0
linux-aws-5.11
linux-aws-5.13
linux-aws-5.15 5.15.0-1038.43~20.04.1
linux-aws-5.19
linux-aws-5.3
linux-aws-5.4 5.4.0-1104.112~18.04.1
linux-aws-5.8
linux-aws-6.2
linux-aws-6.5
linux-aws-fips
linux-aws-hwe
linux-azure 5.15.0-1040.47
linux-azure-4.15
linux-azure-5.11
linux-azure-5.13
linux-azure-5.15 5.15.0-1040.47~20.04.1
linux-azure-5.19
linux-azure-5.3
linux-azure-5.4 5.4.0-1110.116~18.04.1
linux-azure-5.8
linux-azure-6.11
linux-azure-6.2
linux-azure-6.5
linux-azure-edge
linux-azure-fde
linux-azure-fde-5.19
linux-azure-fde-6.2
linux-azure-fips
linux-bluefield
linux-fips
linux-gcp 5.15.0-1036.44
linux-gcp-4.15
linux-gcp-5.11
linux-gcp-5.13
linux-gcp-5.15 5.15.0-1036.44~20.04.1
linux-gcp-5.19
linux-gcp-5.3
linux-gcp-5.4 5.4.0-1107.116~18.04.1
linux-gcp-5.8
linux-gcp-6.11
linux-gcp-6.2
linux-gcp-6.5
linux-gcp-fips
linux-gke 5.15.0-1036.41
linux-gke-4.15
linux-gke-5.15
linux-gke-5.4
linux-gkeop 5.15.0-1022.27
linux-gkeop-5.15
linux-gkeop-5.4
linux-hwe
linux-hwe-5.11
linux-hwe-5.13
linux-hwe-5.15 5.15.0-75.82~20.04.1
linux-hwe-5.19
linux-hwe-5.4 5.4.0-152.169~18.04.1
linux-hwe-5.8
linux-hwe-6.11
linux-hwe-6.2
linux-hwe-6.5
linux-hwe-edge
linux-ibm 5.15.0-1032.35
linux-ibm-5.4 5.4.0-1051.56~18.04.1
linux-intel-5.13
linux-intel-iot-realtime 5.15.0-1033.35
linux-intel-iotg 5.15.0-1033.38
linux-intel-iotg-5.15 5.15.0-1033.38~20.04.1
linux-iot 5.4.0-1017.18
linux-kvm 5.15.0-1035.40
linux-lowlatency 5.15.0-75.82
linux-lowlatency-hwe-5.15 5.15.0-75.82~20.04.1
linux-lowlatency-hwe-5.19
linux-lowlatency-hwe-6.11
linux-lowlatency-hwe-6.2
linux-lowlatency-hwe-6.5
linux-lts-xenial
linux-nvidia 5.15.0-1027.27
linux-nvidia-6.11
linux-nvidia-6.2
linux-nvidia-6.5
linux-nvidia-tegra 5.15.0-1015.15
linux-nvidia-tegra-5.15 5.15.0-1015.15~20.04.1
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-6.5
linux-oem-6.8
linux-oracle 5.15.0-1037.43
linux-oracle-5.0
linux-oracle-5.11
linux-oracle-5.13
linux-oracle-5.15 5.15.0-1037.43~20.04.1
linux-oracle-5.3
linux-oracle-5.4 5.4.0-1103.112~18.04.1
linux-oracle-5.8
linux-oracle-6.5
linux-raspi 5.15.0-1032.35
linux-raspi-5.4 5.4.0-1088.99~18.04.1
linux-raspi-realtime
linux-raspi2
linux-realtime
linux-riscv
linux-riscv-5.11
linux-riscv-5.15 5.15.0-1035.39~20.04.1
linux-riscv-5.19
linux-riscv-5.8
linux-riscv-6.14
linux-riscv-6.5
linux-starfive-5.19
linux-starfive-6.2
linux-starfive-6.5
linux-xilinx-zynqmp 5.4.0-1024.28

References

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