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