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-rtUpgrade kernel-rt-develUpgrade kernel-rt-debug-coreUpgrade kernel-rt-modulesUpgrade kernel-debug-modules-coreUpgrade kernel-debugUpgrade kernel-debug-uki-virtUpgrade kernel-64k-debug-modules-coreUpgrade kernel-develUpgrade kernel-64k-debug-develUpgrade kernel-rt-coreUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-docUpgrade kernel-64k-develUpgrade bpftoolUpgrade rvUpgrade perfUpgrade kernel-tools-libsUpgrade kernel-rt-debug-modulesUpgrade python3-perfUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-rt-modules-extraUpgrade kernel-toolsUpgrade kernel-rt-debugUpgrade kernel-modules-extraUpgrade kernel-64k-debug-modulesUpgrade kernel-64k-modules-extraUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-64k-modules-coreUpgrade kernel-debug-coreUpgrade kernel-rt-debug-modules-coreUpgrade kernel-rt-kvmUpgrade kernel-devel-matchedUpgrade kernel-64k-coreUpgrade kernel-zfcpdumpUpgrade kernel-64k-debug-coreUpgrade kernel-64kUpgrade kernel-abi-stablelistsUpgrade kernel-debug-modulesUpgrade kernel-cross-headersUpgrade kernel-debug-devel-matchedUpgrade libperfUpgrade kernel-zfcpdump-develUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-kvmUpgrade kernel-coreUpgrade kernel-tools-libs-develUpgrade kernel-rt-modules-coreUpgrade kernel-64k-debugUpgrade kernel-modulesUpgrade kernel-headersUpgrade kernel-rt-debug-modules-extraUpgrade kernel-zfcpdump-coreUpgrade kernel-64k-modulesUpgrade kernel-debug-modules-extraUpgrade kernel-uki-virtUpgrade rtlaUpgrade kernel-64k-devel-matchedUpgrade kernelUpgrade kernel-debug-develUpgrade kernel-64k-debug-modules-extraUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-zfcpdump-modulesUpgrade kernel-modules-core | Sep 26, 2024 | Jul 12, 2024 |
| Amazon Linux Ami 2 | — | Upgrade kernel-develUpgrade kernel-livepatch-5.10.223-211.872Upgrade kernel-debuginfoUpgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-livepatch-5.15.162-107.160Upgrade kernel-tools-develUpgrade kernel-headersUpgrade perfUpgrade python-perfUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade bpftool-debuginfo | Dec 12, 2024 | Jul 12, 2024 |
| Amazon_linux_2023 | — | Upgrade perfUpgrade kernel-tools-develUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade perf-debuginfoUpgrade kernel-modules-extraUpgrade bpftool-debuginfoUpgrade python3-perfUpgrade kernel-tools-debuginfoUpgrade kernel-libbpfUpgrade kernel-livepatch-6.1.96-102.177Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-modules-extra-commonUpgrade kernelUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-develUpgrade python3-perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-libbpf-staticUpgrade kernel-libbpf-devel | Mar 27, 2025 | Jul 12, 2024 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Jul 17, 2024 | Jul 12, 2024 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernelUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libs | Oct 8, 2024 | Jul 12, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade python3-perfUpgrade bpftoolUpgrade kernel-tools | Oct 9, 2024 | Jul 12, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-abi-stablelists | Oct 9, 2024 | Jul 12, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernel-toolsUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel | Oct 8, 2024 | Jul 12, 2024 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Oct 16, 2024 | Jul 12, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | Sep 25, 2024 | Jul 12, 2024 |
| Rocky_linux | — | Upgrade kernel-rt-debug-modules-coreUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-rt-modulesUpgrade kernel-tools-libsUpgrade kernel-uki-virtUpgrade kernel-debug-modules-extraUpgrade libperf-debuginfoUpgrade rvUpgrade kernel-rtUpgrade kernel-debug-devel-matchedUpgrade kernel-rt-kvmUpgrade kernel-debug-debuginfoUpgrade kernel-rt-debug-modules-extraUpgrade kernel-zfcpdump-modulesUpgrade kernel-toolsUpgrade kernel-zfcpdumpUpgrade kernel-rt-debug-modulesUpgrade kernel-modules-extraUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-debug-modulesUpgrade kernel-rt-debug-develUpgrade kernel-coreUpgrade kernel-modulesUpgrade bpftoolUpgrade kernel-zfcpdump-coreUpgrade bpftool-debuginfoUpgrade kernel-debug-coreUpgrade kernel-rt-debug-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade kernel-debug-modules-coreUpgrade kernel-rt-modules-coreUpgrade kernel-rt-debug-coreUpgrade kernel-rt-debuginfoUpgrade kernel-rt-modules-extraUpgrade kernel-debug-develUpgrade kernel-debugUpgrade kernel-tools-libs-develUpgrade kernel-develUpgrade kernel-modules-coreUpgrade kernel-zfcpdump-debuginfoUpgrade kernel-rt-debug-kvmUpgrade kernel-devel-matchedUpgrade kernel-debuginfoUpgrade kernel-zfcpdump-develUpgrade kernel-rt-debugUpgrade python3-perfUpgrade libperfUpgrade kernel-rt-develUpgrade kernel-headersUpgrade kernel-cross-headersUpgrade rtlaUpgrade kernelUpgrade kernel-debug-uki-virtUpgrade kernel-tools-debuginfoUpgrade kernel-rt-coreUpgrade perfUpgrade kernel-zfcpdump-modules-extra | Oct 2, 2024 | Jul 12, 2024 |
| Suse | — | Upgrade kernel-debugUpgrade kernel-devel-rtUpgrade kernel-64kb-extraUpgrade kernel-debug-vdsoUpgrade kernel-rt_debugUpgrade kernel-debug-develUpgrade kernel-syms-rtUpgrade cluster-md-kmp-64kbUpgrade dlm-kmp-azureUpgrade dlm-kmp-defaultUpgrade kselftests-kmp-rtUpgrade dtb-socionextUpgrade reiserfs-kmp-defaultUpgrade kernel-azure-vdsoUpgrade dtb-sprdUpgrade kernel-rt_debug-livepatch-develUpgrade dtb-amlogicUpgrade dtb-armUpgrade dlm-kmp-rtUpgrade dtb-rockchipUpgrade cluster-md-kmp-defaultUpgrade kernel-64kb-develUpgrade kernel-rt_debug-vdsoUpgrade kselftests-kmp-defaultUpgrade dtb-nvidiaUpgrade kernel-default-livepatch-develUpgrade ocfs2-kmp-azureUpgrade reiserfs-kmp-azureUpgrade kernel-defaultUpgrade dtb-marvellUpgrade dtb-amdUpgrade dtb-appleUpgrade kernel-obs-buildUpgrade kernel-docsUpgrade dtb-apmUpgrade kernel-debug-livepatch-develUpgrade kernel-default-extraUpgrade kernel-default-baseUpgrade kernel-macrosUpgrade gfs2-kmp-defaultUpgrade kernel-rt-livepatch-develUpgrade kernel-obs-qaUpgrade kernel-rt-develUpgrade dtb-mediatekUpgrade reiserfs-kmp-rtUpgrade dtb-renesasUpgrade kernel-rt-extraUpgrade dtb-exynosUpgrade dtb-amazonUpgrade kernel-default-optionalUpgrade gfs2-kmp-64kbUpgrade dtb-caviumUpgrade dlm-kmp-64kbUpgrade kernel-develUpgrade dtb-hisiliconUpgrade kernel-sourceUpgrade kernel-rt-vdsoUpgrade kernel-azure-develUpgrade ocfs2-kmp-defaultUpgrade kernel-devel-azureUpgrade ocfs2-kmp-64kbUpgrade kernel-zfcpdumpUpgrade kernel-source-azureUpgrade kernel-rt-optionalUpgrade gfs2-kmp-rtUpgrade dtb-broadcomUpgrade dtb-alteraUpgrade kernel-default-vdsoUpgrade kernel-rtUpgrade kernel-64kb-optionalUpgrade kernel-kvmsmall-develUpgrade kernel-azure-optionalUpgrade kernel-syms-azureUpgrade kernel-source-rtUpgrade kernel-rt_debug-develUpgrade kernel-kvmsmall-vdsoUpgrade dtb-xilinxUpgrade dtb-qcomUpgrade kselftests-kmp-64kbUpgrade dtb-allwinnerUpgrade ocfs2-kmp-rtUpgrade kernel-symsUpgrade kernel-kvmsmallUpgrade kernel-default-livepatchUpgrade kernel-rt-livepatchUpgrade kernel-default-develUpgrade kernel-azure-livepatch-develUpgrade kernel-azureUpgrade gfs2-kmp-azureUpgrade cluster-md-kmp-rtUpgrade reiserfs-kmp-64kbUpgrade kselftests-kmp-azureUpgrade kernel-source-vanillaUpgrade dtb-freescaleUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-azure-extraUpgrade kernel-64kbUpgrade cluster-md-kmp-azureUpgrade kernel-docs-htmlUpgrade kernel-default-base-rebuildUpgrade dtb-lgUpgrade kernel-64kb-livepatch-devel | Aug 8, 2024 | Jul 12, 2024 |
| Ubuntu | — | Upgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1014-azureUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-gke-5.15Upgrade linux-image-6.8.0-1012-oracle-64kUpgrade linux-image-5.15.0-121-lowlatencyUpgrade linux-image-5.15.0-1072-azure-fdeUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-azure-lts-20.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-aws-lts-22.04Upgrade linux-image-6.8.0-44-genericUpgrade linux-image-gkeopUpgrade linux-image-5.15.0-121-generic-64kUpgrade linux-image-5.4.0-1099-gkeopUpgrade linux-image-6.8.0-45-generic-64kUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-nvidiaUpgrade linux-image-ibm-classicUpgrade linux-image-5.15.0-121-genericUpgrade linux-image-5.15.0-1066-kvmUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-6.8.0-1012-oemUpgrade linux-image-5.15.0-1052-gkeopUpgrade linux-image-5.15.0-1062-ibmUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-lowlatencyUpgrade linux-image-ibmUpgrade linux-image-genericUpgrade linux-image-5.4.0-1051-xilinx-zynqmpUpgrade linux-image-gcpUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-5.4.0-1132-awsUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-oem-20.04dUpgrade linux-image-5.4.0-195-lowlatencyUpgrade linux-image-gkeop-5.4Upgrade linux-image-5.4.0-1043-iotUpgrade linux-image-5.4.0-195-genericUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-5.4.0-1116-raspiUpgrade linux-image-5.15.0-1064-intel-iotgUpgrade linux-image-5.15.0-1068-gcpUpgrade linux-image-5.15.0-121-generic-lpaeUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-45-genericUpgrade linux-image-6.8.0-1015-awsUpgrade linux-image-aws-lts-20.04Upgrade linux-image-6.8.0-44-lowlatency-64kUpgrade linux-image-raspi2-hwe-18.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-44-lowlatencyUpgrade linux-image-5.15.0-1072-azureUpgrade linux-image-azureUpgrade linux-image-virtualUpgrade linux-image-oem-22.04aUpgrade linux-image-oem-20.04bUpgrade linux-image-oem-22.04bUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.0-1013-nvidiaUpgrade linux-image-5.15.0-1064-nvidia-lowlatencyUpgrade linux-image-oem-22.04Upgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-5.4.0-1079-ibmUpgrade linux-image-azure-fdeUpgrade linux-image-intelUpgrade linux-image-raspi2Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-generic-64kUpgrade linux-image-6.8.0-44-generic-64kUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-raspiUpgrade linux-image-oem-osp1Upgrade linux-image-6.8.0-1011-raspiUpgrade linux-image-5.15.0-1035-xilinx-zynqmpUpgrade linux-image-5.15.0-1062-raspiUpgrade linux-image-azure-cvmUpgrade linux-image-5.4.0-1136-gcpUpgrade linux-image-5.4.0-1131-oracleUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-5.4.0-195-generic-lpaeUpgrade linux-image-6.8.0-1014-azure-fdeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-kvmUpgrade linux-image-raspi-nolpaeUpgrade linux-image-gkeUpgrade linux-image-5.4.0-1120-kvmUpgrade linux-image-6.8.0-1013-nvidia-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-oracle-64kUpgrade linux-image-oem-20.04Upgrade linux-image-5.15.0-1067-oracleUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1012-oracleUpgrade linux-image-6.8.0-1014-gcpUpgrade linux-image-6.8.0-1013-nvidia-lowlatencyUpgrade linux-image-nvidia-6.8Upgrade linux-image-intel-iotgUpgrade linux-image-oracleUpgrade linux-image-5.4.0-1137-azureUpgrade linux-image-5.4.0-1092-bluefieldUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-6.8.0-1012-ibmUpgrade linux-image-5.15.0-1069-awsUpgrade linux-image-bluefieldUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.15.0-1066-gkeUpgrade linux-image-5.15.0-1064-nvidiaUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-raspi-hwe-18.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-oracle-lts-20.04Upgrade linux-image-oem-20.04cUpgrade linux-image-5.15.0-121-lowlatency-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-awsUpgrade linux-image-6.8.0-1013-nvidia-lowlatency-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1010-gkeUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-oemUpgrade linux-image-oem-22.04d | 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 |
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