In the Linux kernel, the following vulnerability has been resolved:
ipv6: prevent possible NULL dereference in rt6_probe()
syzbot caught a NULL dereference in rt6_probe() [1]
Bail out if __in6_dev_get() returns NULL.
[1] Oops: general protection fault, probably for non-canonical address 0xdffffc00000000cb: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000658-0x000000000000065f] CPU: 1 PID: 22444 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:rt6_probe net/ipv6/route.c:656 [inline] RIP: 0010:find_match+0x8c4/0xf50 net/ipv6/route.c:758 Code: 14 fd f7 48 8b 85 38 ff ff ff 48 c7 45 b0 00 00 00 00 48 8d b8 5c 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 19 RSP: 0018:ffffc900034af070 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90004521000 RDX: 00000000000000cb RSI: ffffffff8990d0cd RDI: 000000000000065c RBP: ffffc900034af150 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000002 R12: 000000000000000a R13: 1ffff92000695e18 R14: ffff8880244a1d20 R15: 0000000000000000 FS: 00007f4844a5a6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31b27000 CR3: 000000002d42c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> rt6_nh_find_match+0xfa/0x1a0 net/ipv6/route.c:784 nexthop_for_each_fib6_nh+0x26d/0x4a0 net/ipv4/nexthop.c:1496 __find_rr_leaf+0x6e7/0xe00 net/ipv6/route.c:825 find_rr_leaf net/ipv6/route.c:853 [inline] rt6_select net/ipv6/route.c:897 [inline] fib6_table_lookup+0x57e/0xa30 net/ipv6/route.c:2195 ip6_pol_route+0x1cd/0x1150 net/ipv6/route.c:2231 pol_lookup_func include/net/ip6_fib.h:616 [inline] fib6_rule_lookup+0x386/0x720 net/ipv6/fib6_rules.c:121 ip6_route_output_flags_noref net/ipv6/route.c:2639 [inline] ip6_route_output_flags+0x1d0/0x640 net/ipv6/route.c:2651 ip6_dst_lookup_tail.constprop.0+0x961/0x1760 net/ipv6/ip6_output.c:1147 ip6_dst_lookup_flow+0x99/0x1d0 net/ipv6/ip6_output.c:1250 rawv6_sendmsg+0xdab/0x4340 net/ipv6/raw.c:898 inet_sendmsg+0x119/0x140 net/ipv4/af_inet.c:853 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] sock_write_iter+0x4b8/0x5c0 net/socket.c:1160 new_sync_write fs/read_write.c:497 [inline] vfs_write+0x6b6/0x1140 fs/read_write.c:590 ksys_write+0x1f8/0x260 fs/read_write.c:643 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f
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-64k-debug-coreUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-64k-debug-modules-extraUpgrade kernel-zfcpdump-develUpgrade rtlaUpgrade kernel-modulesUpgrade kernel-64k-coreUpgrade kernel-coreUpgrade kernel-rt-debug-kvmUpgrade kernelUpgrade kernel-tools-libs-develUpgrade kernel-debug-devel-matchedUpgrade kernel-uki-virtUpgrade kernel-64k-modulesUpgrade kernel-zfcpdump-coreUpgrade kernel-headersUpgrade kernel-64k-debugUpgrade kernel-cross-headersUpgrade kernel-64k-devel-matchedUpgrade kernel-zfcpdump-modulesUpgrade kernel-devel-matchedUpgrade libperfUpgrade kernel-abi-stablelistsUpgrade kernel-64kUpgrade kernel-zfcpdumpUpgrade kernel-debug-modulesUpgrade kernel-debug-modules-extraUpgrade kernel-rt-debug-develUpgrade kernel-modules-coreUpgrade kernel-debug-develUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-modules-coreUpgrade kernel-64k-debug-modules-coreUpgrade python3-perfUpgrade kernel-rt-modules-extraUpgrade kernel-debug-modules-coreUpgrade kernel-rt-kvmUpgrade kernel-modules-extraUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernel-rtUpgrade bpftoolUpgrade kernel-64k-debug-modulesUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-docUpgrade kernel-rt-debugUpgrade perfUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-develUpgrade kernel-debug-coreUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-rt-debug-modules-coreUpgrade kernel-rt-coreUpgrade kernel-64k-debug-develUpgrade kernel-develUpgrade kernel-rt-modulesUpgrade kernel-64k-modules-coreUpgrade kernel-debug-uki-virtUpgrade kernel-rt-debug-coreUpgrade kernel-64k-modules-extraUpgrade rvUpgrade kernel-64k-develUpgrade kernel-debug | Sep 26, 2024 | Jul 12, 2024 |
| Amazon Linux Ami 2 | — | Upgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade perfUpgrade bpftoolUpgrade kernel-toolsUpgrade python-perfUpgrade python-perf-debuginfoUpgrade kernelUpgrade kernel-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernel-livepatch-5.15.162-107.160Upgrade kernel-headersUpgrade kernel-livepatch-5.10.223-211.872Upgrade kernel-tools-devel | Dec 12, 2024 | Jul 12, 2024 |
| Amazon_linux_2023 | — | Upgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade kernel-headersUpgrade kernel-tools-develUpgrade perfUpgrade kernel-livepatch-6.1.96-102.177Upgrade kernel-tools-debuginfoUpgrade python3-perfUpgrade kernel-modules-extraUpgrade bpftool-debuginfoUpgrade kernel-libbpfUpgrade bpftoolUpgrade kernel-libbpf-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-modules-extra-commonUpgrade kernel-libbpf-staticUpgrade kernelUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade kernel-develUpgrade python3-perf-debuginfo | Mar 27, 2025 | Jul 12, 2024 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Jul 17, 2024 | Jul 12, 2024 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernelUpgrade python3-perf | Oct 8, 2024 | Jul 12, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade bpftoolUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernelUpgrade kernel-abi-stablelists | Oct 9, 2024 | Jul 12, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade bpftoolUpgrade python3-perfUpgrade kernel-tools-libs | Oct 9, 2024 | Jul 12, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel | Oct 8, 2024 | Jul 12, 2024 |
| Oracle_linux | — | Upgrade kernelUpgrade kernel-uek | Oct 16, 2024 | Jul 12, 2024 |
| Redhat_linux | — | Upgrade kernelNo solution existsUpgrade kernel-rt | Sep 25, 2024 | Jul 12, 2024 |
| Rocky_linux | — | Upgrade kernel-debug-modules-extraUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-debug-modules-coreUpgrade kernel-rt-debuginfoUpgrade kernel-debug-coreUpgrade kernel-rt-modules-coreUpgrade kernel-modulesUpgrade kernel-toolsUpgrade kernel-modules-extraUpgrade kernel-rt-kvmUpgrade bpftoolUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-modules-extraUpgrade kernel-debug-devel-matchedUpgrade kernel-zfcpdumpUpgrade kernel-rt-debug-coreUpgrade kernel-rt-debug-debuginfoUpgrade kernel-debug-debuginfoUpgrade kernel-rt-debug-modulesUpgrade kernel-rtUpgrade libperf-debuginfoUpgrade kernel-debug-modules-coreUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-zfcpdump-modulesUpgrade kernel-debug-modulesUpgrade kernel-zfcpdump-devel-matchedUpgrade rvUpgrade kernel-tools-libsUpgrade kernel-uki-virtUpgrade kernel-rt-modulesUpgrade kernel-zfcpdump-coreUpgrade kernel-coreUpgrade kernel-rt-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade perf-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-debug-uki-virtUpgrade kernelUpgrade kernel-develUpgrade perfUpgrade kernel-rt-coreUpgrade kernel-debug-develUpgrade kernel-tools-debuginfoUpgrade kernel-tools-libs-develUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-rt-debugUpgrade kernel-zfcpdump-develUpgrade kernel-debuginfoUpgrade kernel-debugUpgrade rtlaUpgrade kernel-rt-modules-extraUpgrade kernel-headersUpgrade libperfUpgrade kernel-rt-develUpgrade kernel-cross-headersUpgrade python3-perfUpgrade kernel-devel-matchedUpgrade kernel-modules-coreUpgrade kernel-zfcpdump-debuginfoUpgrade kernel-rt-debug-kvm | Oct 2, 2024 | Jul 12, 2024 |
| Suse | — | Upgrade kernel-64kb-optionalUpgrade kernel-zfcpdumpUpgrade kernel-source-azureUpgrade cluster-md-kmp-azureUpgrade kernel-64kb-livepatch-develUpgrade kernel-develUpgrade reiserfs-kmp-64kbUpgrade kernel-azure-livepatch-develUpgrade ocfs2-kmp-64kbUpgrade kernel-azure-extraUpgrade kernel-source-vanillaUpgrade kernel-symsUpgrade kernel-rt-optionalUpgrade gfs2-kmp-rtUpgrade gfs2-kmp-64kbUpgrade dtb-freescaleUpgrade dtb-lgUpgrade kernel-kvmsmall-livepatch-develUpgrade dtb-hisiliconUpgrade kernel-64kbUpgrade dlm-kmp-64kbUpgrade kernel-default-optionalUpgrade kernel-default-base-rebuildUpgrade kernel-kvmsmall-vdsoUpgrade kernel-rt_debug-develUpgrade kernel-azure-optionalUpgrade kernel-source-rtUpgrade dtb-exynosUpgrade dtb-qcomUpgrade dtb-xilinxUpgrade kernel-syms-azureUpgrade kernel-default-vdsoUpgrade kselftests-kmp-64kbUpgrade ocfs2-kmp-rtUpgrade dtb-allwinnerUpgrade cluster-md-kmp-rtUpgrade kernel-rtUpgrade dtb-amazonUpgrade kernel-kvmsmall-develUpgrade gfs2-kmp-azureUpgrade kernel-default-develUpgrade kselftests-kmp-azureUpgrade kernel-default-livepatchUpgrade kernel-sourceUpgrade kernel-rt-vdsoUpgrade kernel-azureUpgrade kernel-kvmsmallUpgrade dtb-alteraUpgrade dtb-broadcomUpgrade kernel-azure-develUpgrade ocfs2-kmp-defaultUpgrade kernel-rt-livepatchUpgrade kernel-docs-htmlUpgrade dtb-caviumUpgrade kernel-devel-azureUpgrade dtb-appleUpgrade cluster-md-kmp-defaultUpgrade dtb-rockchipUpgrade dlm-kmp-rtUpgrade dlm-kmp-azureUpgrade kernel-debug-vdsoUpgrade kernel-debug-develUpgrade kernel-64kb-extraUpgrade kernel-rt_debugUpgrade dlm-kmp-defaultUpgrade cluster-md-kmp-64kbUpgrade reiserfs-kmp-rtUpgrade kernel-rt-extraUpgrade kernel-devel-rtUpgrade kernel-rt-develUpgrade reiserfs-kmp-azureUpgrade dtb-amdUpgrade kselftests-kmp-rtUpgrade kernel-syms-rtUpgrade kernel-debugUpgrade dtb-amlogicUpgrade kernel-obs-buildUpgrade kernel-azure-vdsoUpgrade dtb-nvidiaUpgrade dtb-marvellUpgrade kselftests-kmp-defaultUpgrade kernel-rt_debug-vdsoUpgrade kernel-rt_debug-livepatch-develUpgrade dtb-sprdUpgrade dtb-socionextUpgrade dtb-renesasUpgrade dtb-mediatekUpgrade reiserfs-kmp-defaultUpgrade kernel-obs-qaUpgrade dtb-apmUpgrade kernel-default-extraUpgrade kernel-default-baseUpgrade kernel-debug-livepatch-develUpgrade kernel-rt-livepatch-develUpgrade gfs2-kmp-defaultUpgrade dtb-armUpgrade ocfs2-kmp-azureUpgrade kernel-defaultUpgrade kernel-docsUpgrade kernel-64kb-develUpgrade kernel-default-livepatch-develUpgrade kernel-macros | Aug 8, 2024 | Jul 12, 2024 |
| Ubuntu | — | Upgrade linux-image-5.4.0-1136-gcpUpgrade linux-image-6.8.0-1013-nvidia-lowlatencyUpgrade linux-image-6.8.0-1014-gcpUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-oem-20.04cUpgrade linux-image-gkeop-5.15Upgrade linux-image-6.8.0-1012-oracleUpgrade linux-image-5.15.0-1064-nvidiaUpgrade linux-image-5.15.0-121-lowlatency-64kUpgrade linux-image-6.8.0-1013-nvidia-lowlatency-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-awsUpgrade linux-image-5.4.0-1137-azureUpgrade linux-image-5.4.0-1120-kvmUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.0-1014-azure-fdeUpgrade linux-image-oem-20.04Upgrade linux-image-6.8.0-1012-ibmUpgrade linux-image-5.4.0-1092-bluefieldUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-5.15.0-1067-oracleUpgrade linux-image-raspi-nolpaeUpgrade linux-image-5.15.0-1066-gkeUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1013-nvidia-64kUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-oracle-64kUpgrade linux-image-5.4.0-195-generic-lpaeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-1010-gkeUpgrade linux-image-azure-cvmUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-oemUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-intel-iotgUpgrade linux-image-kvmUpgrade linux-image-gkeUpgrade linux-image-5.15.0-1035-xilinx-zynqmpUpgrade linux-image-5.15.0-1062-raspiUpgrade linux-image-5.4.0-1131-oracleUpgrade linux-image-6.8.0-1011-raspiUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-5.15.0-1069-awsUpgrade linux-image-bluefieldUpgrade linux-image-oracleUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-virtual-hwe-18.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1012-oemUpgrade linux-image-5.4.0-1116-raspiUpgrade linux-image-6.8.0-44-genericUpgrade linux-image-generic-lpaeUpgrade linux-image-oem-22.04Upgrade linux-image-intelUpgrade linux-image-ibm-classicUpgrade linux-image-5.15.0-121-generic-64kUpgrade linux-image-6.8.0-1015-awsUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-6.8.0-44-generic-64kUpgrade linux-image-5.4.0-1132-awsUpgrade linux-image-5.15.0-1064-nvidia-lowlatencyUpgrade linux-image-5.15.0-1052-gkeopUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-azure-fdeUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-raspiUpgrade linux-image-oem-20.04bUpgrade linux-image-5.15.0-1068-gcpUpgrade linux-image-oem-osp1Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-5.4.0-195-lowlatencyUpgrade linux-image-6.8.0-1014-azureUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-gkeopUpgrade linux-image-generic-64kUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-oem-22.04cUpgrade linux-image-5.15.0-121-genericUpgrade linux-image-gkeop-5.4Upgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-5.4.0-195-genericUpgrade linux-image-oem-20.04dUpgrade linux-image-5.4.0-1099-gkeopUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-6.8.0-45-generic-64kUpgrade linux-image-5.4.0-1079-ibmUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-oem-22.04aUpgrade linux-image-raspi2Upgrade linux-image-5.4.0-1043-iotUpgrade linux-image-5.4.0-1051-xilinx-zynqmpUpgrade linux-image-azure-lts-20.04Upgrade linux-image-5.15.0-1066-kvmUpgrade linux-image-5.15.0-1062-ibmUpgrade linux-image-lowlatency-64kUpgrade linux-image-genericUpgrade linux-image-gke-5.15Upgrade linux-image-6.8.0-1012-oracle-64kUpgrade linux-image-5.15.0-121-lowlatencyUpgrade linux-image-raspi2-hwe-18.04Upgrade linux-image-aws-lts-20.04Upgrade linux-image-6.8.0-44-lowlatency-64kUpgrade linux-image-azureUpgrade linux-image-5.15.0-1072-azureUpgrade linux-image-gcpUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-5.15.0-1072-azure-fdeUpgrade linux-image-6.8.0-45-genericUpgrade linux-image-virtualUpgrade linux-image-nvidiaUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-5.15.0-121-generic-lpaeUpgrade linux-image-6.8.0-44-lowlatencyUpgrade linux-image-5.15.0-1064-intel-iotgUpgrade linux-image-azure-lts-22.04Upgrade linux-image-lowlatencyUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-gcp-lts-20.04Upgrade linux-image-ibmUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1013-nvidiaUpgrade linux-image-aws-lts-22.04Upgrade linux-image-oem-22.04b | Sep 12, 2024 | Jul 12, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2025 | Jul 12, 2024 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub