CVE-2021-47174 (GCVE-0-2021-47174)
Vulnerability from cvelistv5 – Published: 2024-03-25 09:16 – Updated: 2025-05-04 07:05
VLAI?
Title
netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version
Arturo reported this backtrace:
[709732.358791] WARNING: CPU: 3 PID: 456 at arch/x86/kernel/fpu/core.c:128 kernel_fpu_begin_mask+0xae/0xe0
[709732.358793] Modules linked in: binfmt_misc nft_nat nft_chain_nat nf_nat nft_counter nft_ct nf_tables nf_conntrack_netlink nfnetlink 8021q garp stp mrp llc vrf intel_rapl_msr intel_rapl_common skx_edac nfit libnvdimm ipmi_ssif x86_pkg_temp_thermal intel_powerclamp coretemp crc32_pclmul mgag200 ghash_clmulni_intel drm_kms_helper cec aesni_intel drm libaes crypto_simd cryptd glue_helper mei_me dell_smbios iTCO_wdt evdev intel_pmc_bxt iTCO_vendor_support dcdbas pcspkr rapl dell_wmi_descriptor wmi_bmof sg i2c_algo_bit watchdog mei acpi_ipmi ipmi_si button nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ipmi_devintf ipmi_msghandler ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 dm_mod raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor sd_mod t10_pi crc_t10dif crct10dif_generic raid6_pq libcrc32c crc32c_generic raid1 raid0 multipath linear md_mod ahci libahci tg3 libata xhci_pci libphy xhci_hcd ptp usbcore crct10dif_pclmul crct10dif_common bnxt_en crc32c_intel scsi_mod
[709732.358941] pps_core i2c_i801 lpc_ich i2c_smbus wmi usb_common
[709732.358957] CPU: 3 PID: 456 Comm: jbd2/dm-0-8 Not tainted 5.10.0-0.bpo.5-amd64 #1 Debian 5.10.24-1~bpo10+1
[709732.358959] Hardware name: Dell Inc. PowerEdge R440/04JN2K, BIOS 2.9.3 09/23/2020
[709732.358964] RIP: 0010:kernel_fpu_begin_mask+0xae/0xe0
[709732.358969] Code: ae 54 24 04 83 e3 01 75 38 48 8b 44 24 08 65 48 33 04 25 28 00 00 00 75 33 48 83 c4 10 5b c3 65 8a 05 5e 21 5e 76 84 c0 74 92 <0f> 0b eb 8e f0 80 4f 01 40 48 81 c7 00 14 00 00 e8 dd fb ff ff eb
[709732.358972] RSP: 0018:ffffbb9700304740 EFLAGS: 00010202
[709732.358976] RAX: 0000000000000001 RBX: 0000000000000003 RCX: 0000000000000001
[709732.358979] RDX: ffffbb9700304970 RSI: ffff922fe1952e00 RDI: 0000000000000003
[709732.358981] RBP: ffffbb9700304970 R08: ffff922fc868a600 R09: ffff922fc711e462
[709732.358984] R10: 000000000000005f R11: ffff922ff0b27180 R12: ffffbb9700304960
[709732.358987] R13: ffffbb9700304b08 R14: ffff922fc664b6c8 R15: ffff922fc664b660
[709732.358990] FS: 0000000000000000(0000) GS:ffff92371fec0000(0000) knlGS:0000000000000000
[709732.358993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[709732.358996] CR2: 0000557a6655bdd0 CR3: 000000026020a001 CR4: 00000000007706e0
[709732.358999] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[709732.359001] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[709732.359003] PKRU: 55555554
[709732.359005] Call Trace:
[709732.359009] <IRQ>
[709732.359035] nft_pipapo_avx2_lookup+0x4c/0x1cba [nf_tables]
[709732.359046] ? sched_clock+0x5/0x10
[709732.359054] ? sched_clock_cpu+0xc/0xb0
[709732.359061] ? record_times+0x16/0x80
[709732.359068] ? plist_add+0xc1/0x100
[709732.359073] ? psi_group_change+0x47/0x230
[709732.359079] ? skb_clone+0x4d/0xb0
[709732.359085] ? enqueue_task_rt+0x22b/0x310
[709732.359098] ? bnxt_start_xmit+0x1e8/0xaf0 [bnxt_en]
[709732.359102] ? packet_rcv+0x40/0x4a0
[709732.359121] nft_lookup_eval+0x59/0x160 [nf_tables]
[709732.359133] nft_do_chain+0x350/0x500 [nf_tables]
[709732.359152] ? nft_lookup_eval+0x59/0x160 [nf_tables]
[709732.359163] ? nft_do_chain+0x364/0x500 [nf_tables]
[709732.359172] ? fib4_rule_action+0x6d/0x80
[709732.359178] ? fib_rules_lookup+0x107/0x250
[709732.359184] nft_nat_do_chain+0x8a/0xf2 [nft_chain_nat]
[709732.359193] nf_nat_inet_fn+0xea/0x210 [nf_nat]
[709732.359202] nf_nat_ipv4_out+0x14/0xa0 [nf_nat]
[709732.359207] nf_hook_slow+0x44/0xc0
[709732.359214] ip_output+0xd2/0x100
[709732.359221] ? __ip_finish_output+0x210/0x210
[709732.359226] ip_forward+0x37d/0x4a0
[709732.359232] ? ip4_key_hashfn+0xb0/0xb0
[709732.359238] ip_subli
---truncated---
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
7400b063969bdca4a06cd97f1294d765c8eecbe1 , < b1f45a26bd322525c14edd9504f6d46dfad679a4
(git)
Affected: 7400b063969bdca4a06cd97f1294d765c8eecbe1 , < 727a2b4fc951ee69847d4904d98961856ea9fbe6 (git) Affected: 7400b063969bdca4a06cd97f1294d765c8eecbe1 , < f0b3d338064e1fe7531f0d2977e35f3b334abfb4 (git) |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version\n\nArturo reported this backtrace:\n\n[709732.358791] WARNING: CPU: 3 PID: 456 at arch/x86/kernel/fpu/core.c:128 kernel_fpu_begin_mask+0xae/0xe0\n[709732.358793] Modules linked in: binfmt_misc nft_nat nft_chain_nat nf_nat nft_counter nft_ct nf_tables nf_conntrack_netlink nfnetlink 8021q garp stp mrp llc vrf intel_rapl_msr intel_rapl_common skx_edac nfit libnvdimm ipmi_ssif x86_pkg_temp_thermal intel_powerclamp coretemp crc32_pclmul mgag200 ghash_clmulni_intel drm_kms_helper cec aesni_intel drm libaes crypto_simd cryptd glue_helper mei_me dell_smbios iTCO_wdt evdev intel_pmc_bxt iTCO_vendor_support dcdbas pcspkr rapl dell_wmi_descriptor wmi_bmof sg i2c_algo_bit watchdog mei acpi_ipmi ipmi_si button nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ipmi_devintf ipmi_msghandler ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 dm_mod raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor sd_mod t10_pi crc_t10dif crct10dif_generic raid6_pq libcrc32c crc32c_generic raid1 raid0 multipath linear md_mod ahci libahci tg3 libata xhci_pci libphy xhci_hcd ptp usbcore crct10dif_pclmul crct10dif_common bnxt_en crc32c_intel scsi_mod\n[709732.358941] pps_core i2c_i801 lpc_ich i2c_smbus wmi usb_common\n[709732.358957] CPU: 3 PID: 456 Comm: jbd2/dm-0-8 Not tainted 5.10.0-0.bpo.5-amd64 #1 Debian 5.10.24-1~bpo10+1\n[709732.358959] Hardware name: Dell Inc. PowerEdge R440/04JN2K, BIOS 2.9.3 09/23/2020\n[709732.358964] RIP: 0010:kernel_fpu_begin_mask+0xae/0xe0\n[709732.358969] Code: ae 54 24 04 83 e3 01 75 38 48 8b 44 24 08 65 48 33 04 25 28 00 00 00 75 33 48 83 c4 10 5b c3 65 8a 05 5e 21 5e 76 84 c0 74 92 \u003c0f\u003e 0b eb 8e f0 80 4f 01 40 48 81 c7 00 14 00 00 e8 dd fb ff ff eb\n[709732.358972] RSP: 0018:ffffbb9700304740 EFLAGS: 00010202\n[709732.358976] RAX: 0000000000000001 RBX: 0000000000000003 RCX: 0000000000000001\n[709732.358979] RDX: ffffbb9700304970 RSI: ffff922fe1952e00 RDI: 0000000000000003\n[709732.358981] RBP: ffffbb9700304970 R08: ffff922fc868a600 R09: ffff922fc711e462\n[709732.358984] R10: 000000000000005f R11: ffff922ff0b27180 R12: ffffbb9700304960\n[709732.358987] R13: ffffbb9700304b08 R14: ffff922fc664b6c8 R15: ffff922fc664b660\n[709732.358990] FS: 0000000000000000(0000) GS:ffff92371fec0000(0000) knlGS:0000000000000000\n[709732.358993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[709732.358996] CR2: 0000557a6655bdd0 CR3: 000000026020a001 CR4: 00000000007706e0\n[709732.358999] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[709732.359001] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[709732.359003] PKRU: 55555554\n[709732.359005] Call Trace:\n[709732.359009] \u003cIRQ\u003e\n[709732.359035] nft_pipapo_avx2_lookup+0x4c/0x1cba [nf_tables]\n[709732.359046] ? sched_clock+0x5/0x10\n[709732.359054] ? sched_clock_cpu+0xc/0xb0\n[709732.359061] ? record_times+0x16/0x80\n[709732.359068] ? plist_add+0xc1/0x100\n[709732.359073] ? psi_group_change+0x47/0x230\n[709732.359079] ? skb_clone+0x4d/0xb0\n[709732.359085] ? enqueue_task_rt+0x22b/0x310\n[709732.359098] ? bnxt_start_xmit+0x1e8/0xaf0 [bnxt_en]\n[709732.359102] ? packet_rcv+0x40/0x4a0\n[709732.359121] nft_lookup_eval+0x59/0x160 [nf_tables]\n[709732.359133] nft_do_chain+0x350/0x500 [nf_tables]\n[709732.359152] ? nft_lookup_eval+0x59/0x160 [nf_tables]\n[709732.359163] ? nft_do_chain+0x364/0x500 [nf_tables]\n[709732.359172] ? fib4_rule_action+0x6d/0x80\n[709732.359178] ? fib_rules_lookup+0x107/0x250\n[709732.359184] nft_nat_do_chain+0x8a/0xf2 [nft_chain_nat]\n[709732.359193] nf_nat_inet_fn+0xea/0x210 [nf_nat]\n[709732.359202] nf_nat_ipv4_out+0x14/0xa0 [nf_nat]\n[709732.359207] nf_hook_slow+0x44/0xc0\n[709732.359214] ip_output+0xd2/0x100\n[709732.359221] ? __ip_finish_output+0x210/0x210\n[709732.359226] ip_forward+0x37d/0x4a0\n[709732.359232] ? ip4_key_hashfn+0xb0/0xb0\n[709732.359238] ip_subli\n---truncated---"
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"title": "netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version",
"x_generator": {
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"cveId": "CVE-2021-47174",
"datePublished": "2024-03-25T09:16:25.273Z",
"dateReserved": "2024-03-25T09:12:14.111Z",
"dateUpdated": "2025-05-04T07:05:39.300Z",
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"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/b1f45a26bd322525c14edd9504f6d46dfad679a4\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/727a2b4fc951ee69847d4904d98961856ea9fbe6\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/f0b3d338064e1fe7531f0d2977e35f3b334abfb4\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T05:24:39.988Z\"}}, {\"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-47174\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-04-01T19:42:11.415167Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-23T19:01:20.850Z\"}, \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"title\": \"netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"7400b063969b\", \"lessThan\": \"b1f45a26bd32\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7400b063969b\", \"lessThan\": \"727a2b4fc951\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7400b063969b\", \"lessThan\": \"f0b3d338064e\", \"versionType\": \"git\"}], \"programFiles\": [\"net/netfilter/nft_set_pipapo.c\", \"net/netfilter/nft_set_pipapo.h\", \"net/netfilter/nft_set_pipapo_avx2.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.7\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.7\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.42\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.12.9\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.12.*\"}, {\"status\": \"unaffected\", \"version\": \"5.13\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/netfilter/nft_set_pipapo.c\", \"net/netfilter/nft_set_pipapo.h\", \"net/netfilter/nft_set_pipapo_avx2.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/b1f45a26bd322525c14edd9504f6d46dfad679a4\"}, {\"url\": \"https://git.kernel.org/stable/c/727a2b4fc951ee69847d4904d98961856ea9fbe6\"}, {\"url\": \"https://git.kernel.org/stable/c/f0b3d338064e1fe7531f0d2977e35f3b334abfb4\"}], \"x_generator\": {\"engine\": \"bippy-c8e10e5f6187\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version\\n\\nArturo reported this backtrace:\\n\\n[709732.358791] WARNING: CPU: 3 PID: 456 at arch/x86/kernel/fpu/core.c:128 kernel_fpu_begin_mask+0xae/0xe0\\n[709732.358793] Modules linked in: binfmt_misc nft_nat nft_chain_nat nf_nat nft_counter nft_ct nf_tables nf_conntrack_netlink nfnetlink 8021q garp stp mrp llc vrf intel_rapl_msr intel_rapl_common skx_edac nfit libnvdimm ipmi_ssif x86_pkg_temp_thermal intel_powerclamp coretemp crc32_pclmul mgag200 ghash_clmulni_intel drm_kms_helper cec aesni_intel drm libaes crypto_simd cryptd glue_helper mei_me dell_smbios iTCO_wdt evdev intel_pmc_bxt iTCO_vendor_support dcdbas pcspkr rapl dell_wmi_descriptor wmi_bmof sg i2c_algo_bit watchdog mei acpi_ipmi ipmi_si button nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ipmi_devintf ipmi_msghandler ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 dm_mod raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor sd_mod t10_pi crc_t10dif crct10dif_generic raid6_pq libcrc32c crc32c_generic raid1 raid0 multipath linear md_mod ahci libahci tg3 libata xhci_pci libphy xhci_hcd ptp usbcore crct10dif_pclmul crct10dif_common bnxt_en crc32c_intel scsi_mod\\n[709732.358941] pps_core i2c_i801 lpc_ich i2c_smbus wmi usb_common\\n[709732.358957] CPU: 3 PID: 456 Comm: jbd2/dm-0-8 Not tainted 5.10.0-0.bpo.5-amd64 #1 Debian 5.10.24-1~bpo10+1\\n[709732.358959] Hardware name: Dell Inc. PowerEdge R440/04JN2K, BIOS 2.9.3 09/23/2020\\n[709732.358964] RIP: 0010:kernel_fpu_begin_mask+0xae/0xe0\\n[709732.358969] Code: ae 54 24 04 83 e3 01 75 38 48 8b 44 24 08 65 48 33 04 25 28 00 00 00 75 33 48 83 c4 10 5b c3 65 8a 05 5e 21 5e 76 84 c0 74 92 \u003c0f\u003e 0b eb 8e f0 80 4f 01 40 48 81 c7 00 14 00 00 e8 dd fb ff ff eb\\n[709732.358972] RSP: 0018:ffffbb9700304740 EFLAGS: 00010202\\n[709732.358976] RAX: 0000000000000001 RBX: 0000000000000003 RCX: 0000000000000001\\n[709732.358979] RDX: ffffbb9700304970 RSI: ffff922fe1952e00 RDI: 0000000000000003\\n[709732.358981] RBP: ffffbb9700304970 R08: ffff922fc868a600 R09: ffff922fc711e462\\n[709732.358984] R10: 000000000000005f R11: ffff922ff0b27180 R12: ffffbb9700304960\\n[709732.358987] R13: ffffbb9700304b08 R14: ffff922fc664b6c8 R15: ffff922fc664b660\\n[709732.358990] FS: 0000000000000000(0000) GS:ffff92371fec0000(0000) knlGS:0000000000000000\\n[709732.358993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[709732.358996] CR2: 0000557a6655bdd0 CR3: 000000026020a001 CR4: 00000000007706e0\\n[709732.358999] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\n[709732.359001] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\\n[709732.359003] PKRU: 55555554\\n[709732.359005] Call Trace:\\n[709732.359009] \u003cIRQ\u003e\\n[709732.359035] nft_pipapo_avx2_lookup+0x4c/0x1cba [nf_tables]\\n[709732.359046] ? sched_clock+0x5/0x10\\n[709732.359054] ? sched_clock_cpu+0xc/0xb0\\n[709732.359061] ? record_times+0x16/0x80\\n[709732.359068] ? plist_add+0xc1/0x100\\n[709732.359073] ? psi_group_change+0x47/0x230\\n[709732.359079] ? skb_clone+0x4d/0xb0\\n[709732.359085] ? enqueue_task_rt+0x22b/0x310\\n[709732.359098] ? bnxt_start_xmit+0x1e8/0xaf0 [bnxt_en]\\n[709732.359102] ? packet_rcv+0x40/0x4a0\\n[709732.359121] nft_lookup_eval+0x59/0x160 [nf_tables]\\n[709732.359133] nft_do_chain+0x350/0x500 [nf_tables]\\n[709732.359152] ? nft_lookup_eval+0x59/0x160 [nf_tables]\\n[709732.359163] ? nft_do_chain+0x364/0x500 [nf_tables]\\n[709732.359172] ? fib4_rule_action+0x6d/0x80\\n[709732.359178] ? fib_rules_lookup+0x107/0x250\\n[709732.359184] nft_nat_do_chain+0x8a/0xf2 [nft_chain_nat]\\n[709732.359193] nf_nat_inet_fn+0xea/0x210 [nf_nat]\\n[709732.359202] nf_nat_ipv4_out+0x14/0xa0 [nf_nat]\\n[709732.359207] nf_hook_slow+0x44/0xc0\\n[709732.359214] ip_output+0xd2/0x100\\n[709732.359221] ? __ip_finish_output+0x210/0x210\\n[709732.359226] ip_forward+0x37d/0x4a0\\n[709732.359232] ? ip4_key_hashfn+0xb0/0xb0\\n[709732.359238] ip_subli\\n---truncated---\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-11-04T11:36:10.739Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2021-47174\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-04T11:36:10.739Z\", \"dateReserved\": \"2024-03-25T09:12:14.111Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-03-25T09:16:25.273Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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