In the Linux kernel, the following vulnerability has been resolved:
vxlan: check vxlan_vnigroup_init() return value
vxlan_init() must check vxlan_vnigroup_init() success otherwise a crash happens later, spotted by syzbot.
Oops: general protection fault, probably for non-canonical address 0xdffffc000000002c: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000160-0x0000000000000167] CPU: 0 UID: 0 PID: 7313 Comm: syz-executor147 Not tainted 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:vxlan_vnigroup_uninit+0x89/0x500 drivers/net/vxlan/vxlan_vnifilter.c:912 Code: 00 48 8b 44 24 08 4c 8b b0 98 41 00 00 49 8d 86 60 01 00 00 48 89 c2 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 4d 04 00 00 49 8b 86 60 01 00 00 48 ba 00 00 00 RSP: 0018:ffffc9000cc1eea8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff8672effb RDX: 000000000000002c RSI: ffffffff8672ecb9 RDI: ffff8880461b4f18 RBP: ffff8880461b4ef4 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000020000 R13: ffff8880461b0d80 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007fecfa95d6c0(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fecfa95cfb8 CR3: 000000004472c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> vxlan_uninit+0x1ab/0x200 drivers/net/vxlan/vxlan_core.c:2942 unregister_netdevice_many_notify+0x12d6/0x1f30 net/core/dev.c:11824 unregister_netdevice_many net/core/dev.c:11866 [inline] unregister_netdevice_queue+0x307/0x3f0 net/core/dev.c:11736 register_netdevice+0x1829/0x1eb0 net/core/dev.c:10901 __vxlan_dev_create+0x7c6/0xa30 drivers/net/vxlan/vxlan_core.c:3981 vxlan_newlink+0xd1/0x130 drivers/net/vxlan/vxlan_core.c:4407 rtnl_newlink_create net/core/rtnetlink.c:3795 [inline] __rtnl_newlink net/core/rtnetlink.c:3906 [inline]
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 |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-rt-debug-modulesUpgrade kernel-modulesUpgrade kernel-debugUpgrade kernel-64k-debug-coreUpgrade kernel-modules-extraUpgrade kernel-rt-64k-debugUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-modules-coreUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-debug-uki-virtUpgrade python3-perfUpgrade kernelUpgrade libperfUpgrade kernel-debug-devel-matchedUpgrade kernel-devel-matchedUpgrade kernel-64k-develUpgrade kernel-zfcpdump-develUpgrade kernel-abi-stablelistsUpgrade kernel-64k-debug-modules-extraUpgrade kernel-headersUpgrade kernel-rt-64k-modulesUpgrade kernel-rt-modules-extraUpgrade kernel-rt-64k-debug-modules-coreUpgrade kernel-cross-headersUpgrade rtlaUpgrade kernel-rt-debug-develUpgrade kernel-rt-64k-modules-extraUpgrade kernel-64kUpgrade kernel-64k-modules-coreUpgrade kernel-debug-modulesUpgrade kernel-rt-64k-debug-modules-extraUpgrade kernel-debug-modules-coreUpgrade kernel-rt-64k-modules-coreUpgrade kernel-debug-coreUpgrade kernel-rt-coreUpgrade kernel-debug-develUpgrade kernel-debug-modules-extraUpgrade kernel-64k-coreUpgrade kernel-rt-64k-debug-modulesUpgrade kernel-64k-devel-matchedUpgrade kernel-64k-modulesUpgrade kernel-coreUpgrade kernel-rt-debug-modules-coreUpgrade rvUpgrade kernel-64k-debug-modules-coreUpgrade kernel-64k-debug-develUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-rt-64k-debug-develUpgrade kernel-tools-libs-develUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-modules-coreUpgrade kernel-rt-64k-debug-coreUpgrade kernel-zfcpdumpUpgrade perfUpgrade kernel-develUpgrade kernel-rt-debug-modules-extraUpgrade kernel-docUpgrade kernel-rt-64kUpgrade kernel-uki-virtUpgrade kernel-toolsUpgrade kernel-64k-modules-extraUpgrade kernel-rt-debugUpgrade kernel-rt-debug-coreUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-rt-modulesUpgrade kernel-rt-64k-coreUpgrade kernel-rt-develUpgrade kernel-tools-libsUpgrade kernel-uki-virt-addonsUpgrade kernel-64k-debug-modulesUpgrade kernel-rtUpgrade kernel-64k-debugUpgrade kernel-zfcpdump-modulesUpgrade kernel-rt-64k-devel | Nov 20, 2025 | Nov 11, 2025 |
| Amazon_linux_2023 | — | Upgrade python3-perf-debuginfoUpgrade kernelUpgrade kernel-libbpfUpgrade kernel-tools-develUpgrade python3-perfUpgrade kernel-tools-debuginfoUpgrade perf-debuginfoUpgrade kernel-develUpgrade kernel-headersUpgrade kernel-modules-extraUpgrade kernel-debuginfoUpgrade kernel-livepatch-6.1.129-138.220Upgrade kernel-libbpf-develUpgrade bpftoolUpgrade kernel-libbpf-staticUpgrade bpftool-debuginfoUpgrade perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-modules-extra-commonUpgrade kernel-toolsUpgrade kernel-debuginfo-common-aarch64 | Jun 11, 2025 | Feb 27, 2025 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Mar 17, 2025 | Feb 27, 2025 |
| Oracle_linux | — | Upgrade kernel | Nov 28, 2025 | Feb 27, 2025 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rtNo solution exists | Jul 9, 2025 | Feb 27, 2025 |
| Rocky_linux | — | Upgrade kernelUpgrade kernel-debuginfoUpgrade kernel-rt-modules-extraUpgrade python3-perf-debuginfoUpgrade kernel-tools-libs-develUpgrade kernel-rt-debug-debuginfoUpgrade kernel-rt-debugUpgrade kernel-zfcpdump-debuginfoUpgrade libperf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-zfcpdump-develUpgrade kernel-rt-debug-coreUpgrade kernel-rt-develUpgrade kernel-debugUpgrade kernel-rt-coreUpgrade kernel-tools-libsUpgrade kernel-modules-coreUpgrade kernel-debug-develUpgrade rtlaUpgrade kernel-debug-modulesUpgrade python3-perfUpgrade kernel-debug-uki-virtUpgrade kernel-develUpgrade kernel-debug-debuginfoUpgrade kernel-devel-matchedUpgrade kernel-uki-virt-addonsUpgrade kernel-zfcpdump-modulesUpgrade kernel-rt-debuginfoUpgrade kernel-rt-modulesUpgrade kernel-modules-extra-matchedUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-debug-modules-coreUpgrade kernel-debug-modules-extraUpgrade kernel-uki-virtUpgrade libperfUpgrade kernel-toolsUpgrade kernel-rt-debug-develUpgrade kernel-modules-extraUpgrade kernel-debug-modules-coreUpgrade kernel-modulesUpgrade kernel-rt-debug-modules-extraUpgrade perfUpgrade kernel-zfcpdump-modules-extraUpgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-zfcpdumpUpgrade kernel-rt-modules-coreUpgrade kernel-rt-debug-modulesUpgrade kernel-rtUpgrade kernel-debug-devel-matchedUpgrade kernel-coreUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-debug-coreUpgrade rvUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-debuginfo-common-s390x | Feb 5, 2026 | Nov 21, 2025 |
| Suse | — | Upgrade dtb-rockchipUpgrade kernel-rtUpgrade kernel-64kb-extraUpgrade kernel-kvmsmall-vdsoUpgrade kernel-azure-vdsoUpgrade dtb-qcomUpgrade kernel-source-rtUpgrade dtb-sprdUpgrade kernel-syms-rtUpgrade dtb-allwinnerUpgrade ocfs2-kmp-defaultUpgrade kselftests-kmp-rtUpgrade reiserfs-kmp-azureUpgrade dtb-nvidiaUpgrade kselftests-kmp-azureUpgrade kernel-rt-extraUpgrade dtb-armUpgrade dtb-caviumUpgrade gfs2-kmp-azureUpgrade kernel-azureUpgrade kernel-rt-develUpgrade kernel-defaultUpgrade kernel-docsUpgrade kernel-default-base-rebuildUpgrade kernel-rt_debug-develUpgrade kernel-default-baseUpgrade kernel-azure-develUpgrade gfs2-kmp-defaultUpgrade kernel-source-vanillaUpgrade dlm-kmp-azureUpgrade kernel-rt-vdsoUpgrade dlm-kmp-defaultUpgrade kernel-obs-buildUpgrade kernel-rt-livepatch-develUpgrade cluster-md-kmp-64kbUpgrade kernel-default-vdsoUpgrade dlm-kmp-rtUpgrade kernel-rt-optionalUpgrade kselftests-kmp-defaultUpgrade kernel-debug-vdsoUpgrade reiserfs-kmp-rtUpgrade kernel-rt_debugUpgrade kernel-azure-optionalUpgrade dtb-lgUpgrade dtb-apmUpgrade dlm-kmp-64kbUpgrade dtb-hisiliconUpgrade dtb-exynosUpgrade dtb-amlogicUpgrade cluster-md-kmp-rtUpgrade kernel-debugUpgrade dtb-socionextUpgrade kernel-syms-azureUpgrade kernel-zfcpdumpUpgrade dtb-alteraUpgrade cluster-md-kmp-defaultUpgrade dtb-broadcomUpgrade kernel-rt_debug-vdsoUpgrade kernel-default-livepatch-develUpgrade gfs2-kmp-64kbUpgrade kernel-default-optionalUpgrade kernel-obs-qaUpgrade kernel-64kb-optionalUpgrade dtb-marvellUpgrade dtb-amazonUpgrade ocfs2-kmp-rtUpgrade kernel-symsUpgrade kernel-64kb-develUpgrade dtb-xilinxUpgrade dtb-mediatekUpgrade dtb-appleUpgrade kernel-64kbUpgrade ocfs2-kmp-64kbUpgrade dtb-freescaleUpgrade dtb-amdUpgrade kernel-default-livepatchUpgrade kernel-debug-develUpgrade reiserfs-kmp-defaultUpgrade reiserfs-kmp-64kbUpgrade kernel-kvmsmallUpgrade kernel-source-azureUpgrade kselftests-kmp-64kbUpgrade kernel-devel-azureUpgrade kernel-default-extraUpgrade kernel-default-develUpgrade dtb-renesasUpgrade ocfs2-kmp-azureUpgrade kernel-devel-rtUpgrade cluster-md-kmp-azureUpgrade kernel-sourceUpgrade kernel-macrosUpgrade kernel-azure-extraUpgrade kernel-kvmsmall-develUpgrade kernel-docs-htmlUpgrade kernel-develUpgrade gfs2-kmp-rt | Mar 13, 2025 | Feb 27, 2025 |
| Ubuntu | — | Upgrade linux-image-genericUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-generic-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1035-nvidia-lowlatencyUpgrade linux-image-gke-6.8Upgrade linux-image-gkeUpgrade linux-image-6.11.0-1022-oemUpgrade linux-image-raspiUpgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1033-ibmUpgrade linux-image-azure-nvidiaUpgrade linux-image-6.11.0-26-genericUpgrade linux-image-6.8.0-1022-azure-nvidiaUpgrade linux-image-6.8.0-1034-azureUpgrade linux-image-ibmUpgrade linux-image-6.8.0-1036-gcp-64kUpgrade linux-image-6.8.1-1030-realtimeUpgrade linux-image-raspi-6.8Upgrade linux-image-azure-nvidia-lts-24.04Upgrade linux-image-6.8.0-1036-gcpUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1035-nvidiaUpgrade linux-image-6.8.0-1032-oracleUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1032-gkeUpgrade linux-image-6.8.0-1019-gkeopUpgrade linux-image-azure-nvidia-6.8Upgrade linux-image-ibm-6.8Upgrade linux-image-raspi-realtimeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-virtual-6.8Upgrade linux-image-oracle-64kUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-lowlatencyUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-6.11.0-1015-azure-fdeUpgrade linux-image-6.11.0-1016-oracleUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-azureUpgrade linux-image-realtime-6.8.1Upgrade linux-image-generic-6.8Upgrade linux-image-azure-lts-24.04Upgrade linux-image-6.11.0-1015-gcp-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-6.8.0-78-lowlatency-64kUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-azure-6.8Upgrade linux-image-nvidiaUpgrade linux-image-aws-64k-6.8Upgrade linux-image-6.8.0-1034-azure-fdeUpgrade linux-image-oem-22.04dUpgrade linux-image-gkeopUpgrade linux-image-gcpUpgrade linux-image-6.8.0-1032-oracle-64kUpgrade linux-image-aws-64kUpgrade linux-image-ibm-classicUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-oem-22.04cUpgrade linux-image-oracle-6.8Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.11.0-1010-realtimeUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-oem-22.04bUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.11.0-1014-lowlatency-64kUpgrade linux-image-6.8.0-1035-nvidia-lowlatency-64kUpgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1035-raspiUpgrade linux-image-6.11.0-1015-gcpUpgrade linux-image-azure-fde-6.8Upgrade linux-image-kvmUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-6.11.0-1014-awsUpgrade linux-image-awsUpgrade linux-image-lowlatency-6.8Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-generic-lpaeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-78-lowlatencyUpgrade linux-image-oem-24.04bUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-gcp-6.8Upgrade linux-image-virtualUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.11.0-26-generic-64kUpgrade linux-image-6.11.0-1015-azureUpgrade linux-image-6.11.0-1014-lowlatencyUpgrade linux-image-oracleUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-generic-64k-6.8Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-6.8.0-78-generic-64kUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-6.8.0-2028-raspi-realtimeUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-azure-fdeUpgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-78-genericUpgrade linux-image-6.11.0-1016-oracle-64kUpgrade linux-image-6.8.0-1035-aws-64kUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-realtimeUpgrade linux-image-6.8.0-1035-awsUpgrade linux-image-6.11.0-1013-raspiUpgrade linux-image-6.8.0-1035-nvidia-64k | May 21, 2025 | Feb 27, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 2, 2025 | Feb 27, 2025 |
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