In the Linux kernel, the following vulnerability has been resolved:
ax25: Fix reference count leak issue of net_device
There is a reference count leak issue of the object "net_device" in ax25_dev_device_down(). When the ax25 device is shutting down, the ax25_dev_device_down() drops the reference count of net_device one or zero times depending on if we goto unlock_put or not, which will cause memory leak.
In order to solve the above issue, decrease the reference count of net_device after dev->ax25_ptr is set to null.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade python3-perfUpgrade python3-perf-debuginfoUpgrade kernel-libbpfUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-debuginfoUpgrade kernel-libbpf-develUpgrade kernel-headersUpgrade kernelUpgrade kernel-tools-develUpgrade kernel-toolsUpgrade kernel-livepatch-6.1.94-99.176Upgrade kernel-debuginfo-common-aarch64Upgrade bpftool-debuginfoUpgrade kernel-develUpgrade perf-debuginfoUpgrade perfUpgrade kernel-modules-extraUpgrade bpftoolUpgrade kernel-modules-extra-common | Jun 11, 2025 | Jun 19, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Jun 19, 2024 |
| Suse | — | Upgrade kernel-syms-azureUpgrade dtb-socionextUpgrade kernel-rt-livepatch-develUpgrade kernel-syms-rtUpgrade kernel-azure-livepatch-develUpgrade kernel-devel-azureUpgrade reiserfs-kmp-azureUpgrade dtb-armUpgrade dtb-hisiliconUpgrade kernel-64kbUpgrade kernel-64kb-livepatch-develUpgrade reiserfs-kmp-rtUpgrade ocfs2-kmp-rtUpgrade kernel-rt-develUpgrade kernel-kvmsmall-develUpgrade gfs2-kmp-64kbUpgrade kernel-64kb-develUpgrade kernel-devel-rtUpgrade dtb-qcomUpgrade cluster-md-kmp-azureUpgrade kernel-debug-livepatch-develUpgrade kernel-docsUpgrade kernel-macrosUpgrade cluster-md-kmp-defaultUpgrade kernel-obs-qaUpgrade dlm-kmp-defaultUpgrade kernel-rtUpgrade kernel-azure-vdsoUpgrade kernel-debugUpgrade kselftests-kmp-defaultUpgrade kernel-default-extraUpgrade kselftests-kmp-rtUpgrade kernel-rt_debug-vdsoUpgrade kernel-symsUpgrade dtb-amlogicUpgrade dtb-mediatekUpgrade kernel-zfcpdumpUpgrade kernel-rt_debugUpgrade kernel-kvmsmallUpgrade gfs2-kmp-rtUpgrade dtb-apmUpgrade dlm-kmp-azureUpgrade kernel-64kb-optionalUpgrade kernel-azure-develUpgrade cluster-md-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade reiserfs-kmp-64kbUpgrade ocfs2-kmp-azureUpgrade kselftests-kmp-64kbUpgrade kernel-azure-optionalUpgrade dtb-sprdUpgrade kernel-kvmsmall-livepatch-develUpgrade dtb-lgUpgrade kernel-source-rtUpgrade kernel-rt_debug-develUpgrade kernel-default-baseUpgrade kernel-default-livepatch-develUpgrade kernel-rt-extraUpgrade cluster-md-kmp-64kbUpgrade kernel-source-azureUpgrade kernel-sourceUpgrade kernel-azure-extraUpgrade dtb-freescaleUpgrade dtb-exynosUpgrade kernel-rt-optionalUpgrade kernel-rt_debug-livepatch-develUpgrade dlm-kmp-64kbUpgrade dtb-amazonUpgrade kernel-default-livepatchUpgrade kernel-kvmsmall-vdsoUpgrade kernel-debug-develUpgrade gfs2-kmp-azureUpgrade dtb-alteraUpgrade dtb-broadcomUpgrade dtb-allwinnerUpgrade dlm-kmp-rtUpgrade ocfs2-kmp-defaultUpgrade kernel-source-vanillaUpgrade dtb-xilinxUpgrade kernel-azureUpgrade kselftests-kmp-azureUpgrade dtb-renesasUpgrade kernel-default-optionalUpgrade kernel-defaultUpgrade dtb-rockchipUpgrade dtb-marvellUpgrade kernel-obs-buildUpgrade dtb-caviumUpgrade kernel-rt-vdsoUpgrade kernel-default-vdsoUpgrade kernel-default-develUpgrade dtb-amdUpgrade kernel-debug-vdsoUpgrade kernel-64kb-extraUpgrade dtb-appleUpgrade kernel-develUpgrade kernel-rt-livepatchUpgrade kernel-docs-htmlUpgrade dtb-nvidiaUpgrade kernel-default-base-rebuildUpgrade gfs2-kmp-defaultUpgrade ocfs2-kmp-64kb | Jul 23, 2024 | Jun 19, 2024 |
| Ubuntu | — | Upgrade linux-image-generic-64kUpgrade linux-image-virtualUpgrade linux-image-lowlatencyUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.0-1010-ibmUpgrade linux-image-oracle-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1011-nvidia-lowlatency-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1010-oemUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-40-lowlatency-64kUpgrade linux-image-azureUpgrade linux-image-6.8.0-1013-awsUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1009-raspiUpgrade linux-image-gkeUpgrade linux-image-gcpUpgrade linux-image-oem-24.04Upgrade linux-image-genericUpgrade linux-image-6.8.0-40-lowlatencyUpgrade linux-image-6.8.0-1011-nvidiaUpgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1012-azure-fdeUpgrade linux-image-awsUpgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-1012-gcpUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1012-azureUpgrade linux-image-6.8.0-1011-nvidia-64kUpgrade linux-image-6.8.0-40-genericUpgrade linux-image-6.8.0-1010-oracleUpgrade linux-image-raspiUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-1010-oracle-64kUpgrade linux-image-kvmUpgrade linux-image-6.8.0-40-generic-64kUpgrade linux-image-6.8.0-1008-gkeUpgrade linux-image-6.8.0-1011-nvidia-lowlatencyUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-ibmUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-oracleUpgrade linux-image-azure-fde | Aug 9, 2024 | Jun 19, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 14, 2025 | Jun 19, 2024 |
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