In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix a potential use-after-free in bpf_link_free()
After commit 1a80dbcb2dba, bpf_link can be freed by link->ops->dealloc_deferred, but the code still tests and uses link->ops->dealloc afterward, which leads to a use-after-free as reported by syzbot. Actually, one of them should be sufficient, so just call one of them instead of both. Also add a WARN_ON() in case of any problematic implementation.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jul 12, 2024 |
| Suse | — | Upgrade kernel-source-rtUpgrade kselftests-kmp-azureUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-syms-azureUpgrade dtb-hisiliconUpgrade dtb-alteraUpgrade kernel-64kb-optionalUpgrade kernel-default-develUpgrade kernel-azure-develUpgrade kernel-azure-optionalUpgrade kselftests-kmp-64kbUpgrade kernel-obs-qaUpgrade kernel-rt-optionalUpgrade reiserfs-kmp-64kbUpgrade dtb-allwinnerUpgrade dtb-apmUpgrade kernel-default-extraUpgrade kernel-debugUpgrade dtb-exynosUpgrade kernel-default-livepatchUpgrade kernel-rt-vdsoUpgrade kernel-macrosUpgrade gfs2-kmp-rtUpgrade dtb-broadcomUpgrade kernel-zfcpdumpUpgrade kernel-source-azureUpgrade dtb-qcomUpgrade dtb-amazonUpgrade kernel-devel-azureUpgrade kernel-64kbUpgrade kernel-kvmsmall-develUpgrade kernel-azure-livepatch-develUpgrade dlm-kmp-64kbUpgrade dtb-appleUpgrade ocfs2-kmp-rtUpgrade cluster-md-kmp-azureUpgrade ocfs2-kmp-64kbUpgrade kernel-default-vdsoUpgrade kernel-symsUpgrade dtb-caviumUpgrade dtb-lgUpgrade kernel-default-optionalUpgrade dtb-freescaleUpgrade kernel-rt-livepatchUpgrade kernel-docs-htmlUpgrade kernel-sourceUpgrade gfs2-kmp-64kbUpgrade kernel-debug-develUpgrade kernel-develUpgrade kernel-rt_debug-develUpgrade kernel-kvmsmallUpgrade kernel-kvmsmall-vdsoUpgrade dtb-marvellUpgrade kernel-azureUpgrade gfs2-kmp-azureUpgrade kernel-source-vanillaUpgrade ocfs2-kmp-defaultUpgrade cluster-md-kmp-rtUpgrade kernel-azure-extraUpgrade kernel-64kb-livepatch-develUpgrade kernel-rtUpgrade kernel-debug-livepatch-develUpgrade kernel-64kb-develUpgrade dtb-renesasUpgrade dlm-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade kernel-rt-extraUpgrade kernel-64kb-extraUpgrade gfs2-kmp-defaultUpgrade reiserfs-kmp-azureUpgrade dtb-nvidiaUpgrade kernel-rt_debug-vdsoUpgrade kernel-rt_debug-livepatch-develUpgrade dtb-rockchipUpgrade cluster-md-kmp-64kbUpgrade dlm-kmp-azureUpgrade dlm-kmp-defaultUpgrade kselftests-kmp-defaultUpgrade kernel-rt-develUpgrade kselftests-kmp-rtUpgrade ocfs2-kmp-azureUpgrade kernel-default-baseUpgrade kernel-docsUpgrade kernel-debug-vdsoUpgrade dtb-mediatekUpgrade dtb-amlogicUpgrade dtb-amdUpgrade dtb-sprdUpgrade dtb-xilinxUpgrade kernel-defaultUpgrade kernel-default-base-rebuildUpgrade dtb-armUpgrade kernel-syms-rtUpgrade kernel-rt_debugUpgrade kernel-rt-livepatch-develUpgrade kernel-obs-buildUpgrade kernel-azure-vdsoUpgrade cluster-md-kmp-defaultUpgrade dtb-socionextUpgrade reiserfs-kmp-rtUpgrade kernel-devel-rtUpgrade kernel-default-livepatch-devel | Aug 14, 2024 | Jul 12, 2024 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1012-ibmUpgrade linux-image-6.8.0-1015-awsUpgrade linux-image-azure-fdeUpgrade linux-image-azureUpgrade linux-image-6.8.0-44-generic-64kUpgrade linux-image-6.8.0-1014-gcpUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1010-gkeUpgrade linux-image-awsUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1013-nvidia-lowlatencyUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1014-azure-fdeUpgrade linux-image-6.8.0-1012-oemUpgrade linux-image-6.8.0-44-lowlatencyUpgrade linux-image-6.8.0-44-genericUpgrade linux-image-oem-22.04dUpgrade linux-image-raspiUpgrade linux-image-6.8.0-1012-oracleUpgrade linux-image-6.8.0-45-genericUpgrade linux-image-oem-22.04Upgrade linux-image-ibmUpgrade linux-image-6.8.0-1013-nvidia-lowlatency-64kUpgrade linux-image-oracleUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1011-raspiUpgrade linux-image-oem-22.04aUpgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1013-nvidiaUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-44-lowlatency-64kUpgrade linux-image-6.8.0-45-generic-64kUpgrade linux-image-genericUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-ibm-classicUpgrade linux-image-nvidia-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-1012-oracle-64kUpgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1013-nvidia-64kUpgrade linux-image-oracle-64kUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-nvidiaUpgrade linux-image-gcpUpgrade linux-image-6.8.0-1014-azureUpgrade linux-image-virtualUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-gkeUpgrade linux-image-kvmUpgrade linux-image-lowlatency | Sep 12, 2024 | Jul 12, 2024 |
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