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 kernel-libbpf-develUpgrade kernel-libbpfUpgrade kernel-headersUpgrade kernel-tools-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernelUpgrade python3-perf-debuginfoUpgrade kernel-libbpf-staticUpgrade python3-perfUpgrade kernel-modules-extraUpgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade kernel-toolsUpgrade bpftool-debuginfoUpgrade kernel-develUpgrade kernel-modules-extra-commonUpgrade perfUpgrade perf-debuginfoUpgrade kernel-livepatch-6.1.94-99.176 | Jun 11, 2025 | Jun 19, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Jun 19, 2024 |
| Suse | — | Upgrade kernel-default-livepatch-develUpgrade reiserfs-kmp-64kbUpgrade kselftests-kmp-azureUpgrade kselftests-kmp-64kbUpgrade kernel-rt-vdsoUpgrade kernel-obs-buildUpgrade dtb-sprdUpgrade reiserfs-kmp-defaultUpgrade dtb-rockchipUpgrade kernel-default-develUpgrade dtb-marvellUpgrade kernel-default-vdsoUpgrade kernel-azure-optionalUpgrade dtb-amdUpgrade kernel-rt-optionalUpgrade dtb-nvidiaUpgrade kernel-default-base-rebuildUpgrade kernel-docs-htmlUpgrade kernel-rt-livepatchUpgrade dtb-xilinxUpgrade kernel-debug-develUpgrade kernel-source-vanillaUpgrade gfs2-kmp-defaultUpgrade kernel-kvmsmall-livepatch-develUpgrade dtb-lgUpgrade dtb-caviumUpgrade cluster-md-kmp-rtUpgrade dlm-kmp-rtUpgrade ocfs2-kmp-64kbUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-64kb-extraUpgrade dtb-broadcomUpgrade dtb-alteraUpgrade gfs2-kmp-azureUpgrade dtb-allwinnerUpgrade kernel-debug-vdsoUpgrade kernel-develUpgrade kernel-kvmsmall-vdsoUpgrade dtb-renesasUpgrade kernel-azureUpgrade dtb-appleUpgrade kernel-default-optionalUpgrade kernel-default-baseUpgrade kernel-rt_debug-develUpgrade kernel-source-rtUpgrade ocfs2-kmp-defaultUpgrade kernel-defaultUpgrade ocfs2-kmp-azureUpgrade dtb-amazonUpgrade dtb-exynosUpgrade dlm-kmp-64kbUpgrade dtb-freescaleUpgrade kernel-rt-extraUpgrade kernel-azure-extraUpgrade kernel-default-livepatchUpgrade kernel-sourceUpgrade kernel-source-azureUpgrade cluster-md-kmp-64kbUpgrade kernel-syms-azureUpgrade kernel-rt-livepatch-develUpgrade kernel-azure-livepatch-develUpgrade kernel-symsUpgrade kernel-kvmsmallUpgrade kernel-kvmsmall-develUpgrade kernel-debug-livepatch-develUpgrade kselftests-kmp-rtUpgrade kselftests-kmp-defaultUpgrade kernel-zfcpdumpUpgrade kernel-rt_debug-vdsoUpgrade kernel-default-extraUpgrade dtb-mediatekUpgrade kernel-64kb-develUpgrade kernel-syms-rtUpgrade kernel-64kb-livepatch-develUpgrade dtb-hisiliconUpgrade dtb-armUpgrade dtb-apmUpgrade reiserfs-kmp-rtUpgrade reiserfs-kmp-azureUpgrade kernel-devel-azureUpgrade kernel-64kbUpgrade kernel-rtUpgrade kernel-debugUpgrade gfs2-kmp-rtUpgrade kernel-rt-develUpgrade gfs2-kmp-64kbUpgrade cluster-md-kmp-azureUpgrade dtb-socionextUpgrade cluster-md-kmp-defaultUpgrade ocfs2-kmp-rtUpgrade kernel-rt_debugUpgrade kernel-obs-qaUpgrade dtb-qcomUpgrade dlm-kmp-defaultUpgrade kernel-azure-vdsoUpgrade kernel-macrosUpgrade kernel-docsUpgrade kernel-devel-rtUpgrade kernel-azure-develUpgrade kernel-64kb-optionalUpgrade dlm-kmp-azureUpgrade dtb-amlogic | Jul 23, 2024 | Jun 19, 2024 |
| Ubuntu | — | Upgrade linux-image-6.8.0-40-lowlatencyUpgrade linux-image-6.8.0-1009-raspiUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-gkeUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-gcpUpgrade linux-image-oem-24.04aUpgrade linux-image-virtualUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oem-24.04Upgrade linux-image-nvidiaUpgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1010-ibmUpgrade linux-image-6.8.0-1010-oemUpgrade linux-image-azureUpgrade linux-image-6.8.0-1013-awsUpgrade linux-image-genericUpgrade linux-image-6.8.0-1011-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-40-lowlatency-64kUpgrade linux-image-generic-64kUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-generic-lpaeUpgrade linux-image-oracleUpgrade linux-image-azure-fdeUpgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1010-oracleUpgrade linux-image-6.8.0-40-genericUpgrade linux-image-6.8.0-1011-nvidiaUpgrade linux-image-awsUpgrade linux-image-ibmUpgrade linux-image-6.8.0-1011-nvidia-lowlatencyUpgrade linux-image-raspiUpgrade linux-image-6.8.0-1011-nvidia-64kUpgrade linux-image-6.8.0-1012-gcpUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1010-oracle-64kUpgrade linux-image-6.8.0-1008-gkeUpgrade linux-image-kvmUpgrade linux-image-6.8.0-1012-azure-fdeUpgrade linux-image-6.8.0-40-generic-64kUpgrade linux-image-6.8.0-1012-azureUpgrade linux-image-ibm-classic | 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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