{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"HIGH" }, "category":"csaf_vex", "csaf_version":"2.0", "distribution":{ "tlp":{ "label":"WHITE", "url":"https:/www.first.org/tlp/" } }, "lang":"en", "notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()\n\n> ret = brcmf_proto_tx_queue_data(drvr, ifp->ifidx, skb);\n\nmay be schedule, and then complete before the line\n\n> ndev->stats.tx_bytes += skb->len;\n\n[ 46.912801] ==================================================================\n[ 46.920552] BUG: KASAN: use-after-free in brcmf_netdev_start_xmit+0x718/0x8c8 [brcmfmac]\n[ 46.928673] Read of size 4 at addr ffffff803f5882e8 by task systemd-resolve/328\n[ 46.935991]\n[ 46.937514] CPU: 1 PID: 328 Comm: systemd-resolve Tainted: G O 5.4.199-[REDACTED] #1\n[ 46.947255] Hardware name: [REDACTED]\n[ 46.954568] Call trace:\n[ 46.957037] dump_backtrace+0x0/0x2b8\n[ 46.960719] show_stack+0x24/0x30\n[ 46.964052] dump_stack+0x128/0x194\n[ 46.967557] print_address_description.isra.0+0x64/0x380\n[ 46.972877] __kasan_report+0x1d4/0x240\n[ 46.976723] kasan_report+0xc/0x18\n[ 46.980138] __asan_report_load4_noabort+0x18/0x20\n[ 46.985027] brcmf_netdev_start_xmit+0x718/0x8c8 [brcmfmac]\n[ 46.990613] dev_hard_start_xmit+0x1bc/0xda0\n[ 46.994894] sch_direct_xmit+0x198/0xd08\n[ 46.998827] __qdisc_run+0x37c/0x1dc0\n[ 47.002500] __dev_queue_xmit+0x1528/0x21f8\n[ 47.006692] dev_queue_xmit+0x24/0x30\n[ 47.010366] neigh_resolve_output+0x37c/0x678\n[ 47.014734] ip_finish_output2+0x598/0x2458\n[ 47.018927] __ip_finish_output+0x300/0x730\n[ 47.023118] ip_output+0x2e0/0x430\n[ 47.026530] ip_local_out+0x90/0x140\n[ 47.030117] igmpv3_sendpack+0x14c/0x228\n[ 47.034049] igmpv3_send_cr+0x384/0x6b8\n[ 47.037895] igmp_ifc_timer_expire+0x4c/0x118\n[ 47.042262] call_timer_fn+0x1cc/0xbe8\n[ 47.046021] __run_timers+0x4d8/0xb28\n[ 47.049693] run_timer_softirq+0x24/0x40\n[ 47.053626] __do_softirq+0x2c0/0x117c\n[ 47.057387] irq_exit+0x2dc/0x388\n[ 47.060715] __handle_domain_irq+0xb4/0x158\n[ 47.064908] gic_handle_irq+0x58/0xb0\n[ 47.068581] el0_irq_naked+0x50/0x5c\n[ 47.072162]\n[ 47.073665] Allocated by task 328:\n[ 47.077083] save_stack+0x24/0xb0\n[ 47.080410] __kasan_kmalloc.isra.0+0xc0/0xe0\n[ 47.084776] kasan_slab_alloc+0x14/0x20\n[ 47.088622] kmem_cache_alloc+0x15c/0x468\n[ 47.092643] __alloc_skb+0xa4/0x498\n[ 47.096142] igmpv3_newpack+0x158/0xd78\n[ 47.099987] add_grhead+0x210/0x288\n[ 47.103485] add_grec+0x6b0/0xb70\n[ 47.106811] igmpv3_send_cr+0x2e0/0x6b8\n[ 47.110657] igmp_ifc_timer_expire+0x4c/0x118\n[ 47.115027] call_timer_fn+0x1cc/0xbe8\n[ 47.118785] __run_timers+0x4d8/0xb28\n[ 47.122457] run_timer_softirq+0x24/0x40\n[ 47.126389] __do_softirq+0x2c0/0x117c\n[ 47.130142]\n[ 47.131643] Freed by task 180:\n[ 47.134712] save_stack+0x24/0xb0\n[ 47.138041] __kasan_slab_free+0x108/0x180\n[ 47.142146] kasan_slab_free+0x10/0x18\n[ 47.145904] slab_free_freelist_hook+0xa4/0x1b0\n[ 47.150444] kmem_cache_free+0x8c/0x528\n[ 47.154292] kfree_skbmem+0x94/0x108\n[ 47.157880] consume_skb+0x10c/0x5a8\n[ 47.161466] __dev_kfree_skb_any+0x88/0xa0\n[ 47.165598] brcmu_pkt_buf_free_skb+0x44/0x68 [brcmutil]\n[ 47.171023] brcmf_txfinalize+0xec/0x190 [brcmfmac]\n[ 47.176016] brcmf_proto_bcdc_txcomplete+0x1c0/0x210 [brcmfmac]\n[ 47.182056] brcmf_sdio_sendfromq+0x8dc/0x1e80 [brcmfmac]\n[ 47.187568] brcmf_sdio_dpc+0xb48/0x2108 [brcmfmac]\n[ 47.192529] brcmf_sdio_dataworker+0xc8/0x238 [brcmfmac]\n[ 47.197859] process_one_work+0x7fc/0x1a80\n[ 47.201965] worker_thread+0x31c/0xc40\n[ 47.205726] kthread+0x2d8/0x370\n[ 47.208967] ret_from_fork+0x10/0x18\n[ 47.212546]\n[ 47.214051] The buggy address belongs to the object at ffffff803f588280\n[ 47.214051] which belongs to the cache skbuff_head_cache of size 208\n[ 47.227086] The buggy address is located 104 bytes inside of\n[ 47.227086] 208-byte region [ffffff803f588280, ffffff803f588350)\n[ 47.238814] The buggy address belongs to the page:\n[ 47.243618] page:ffffffff00dd6200 refcount:1 mapcou\n---truncated---", "category":"general", "title":"Synopsis" } ], "publisher":{ "issuing_authority":"openEuler security committee", "name":"openEuler", "namespace":"https://www.openeuler.org", "contact_details":"openeuler-security@openeuler.org", "category":"vendor" }, "references":[ { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50408" }, { "summary":"CVE-2022-50408 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2022/csaf-openeuler-cve-2022-50408.json" }, { "summary":"openEuler-SA-2025-2406", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2406" }, { "summary":"CVE-2022-50408", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2022-50408&packageName=kernel" } ], "title":"openEuler cve CVE-2022-50408", "tracking":{ "initial_release_date":"2025-10-11T21:22:59+08:00", "revision_history":[ { "date":"2025-10-11T21:22:59+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2025-10-11T21:22:59+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2025-10-11T21:22:59+08:00", "id":"CVE-2022-50408", "version":"1.0.0", "status":"interim" } }, "product_tree":{ "branches":[ { "name":"openEuler", "category":"vendor", "branches":[ { "name":"openEuler", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"openEuler-20.03-LTS-SP4", "name":"openEuler-20.03-LTS-SP4" }, "name":"openEuler-20.03-LTS-SP4", "category":"product_version" } ], "category":"product_name" }, { "name":"x86_64", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, 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ffffff803f5882e8 by task systemd-resolve/328\n[ 46.935991]\n[ 46.937514] CPU: 1 PID: 328 Comm: systemd-resolve Tainted: G O 5.4.199-[REDACTED] #1\n[ 46.947255] Hardware name: [REDACTED]\n[ 46.954568] Call trace:\n[ 46.957037] dump_backtrace+0x0/0x2b8\n[ 46.960719] show_stack+0x24/0x30\n[ 46.964052] dump_stack+0x128/0x194\n[ 46.967557] print_address_description.isra.0+0x64/0x380\n[ 46.972877] __kasan_report+0x1d4/0x240\n[ 46.976723] kasan_report+0xc/0x18\n[ 46.980138] __asan_report_load4_noabort+0x18/0x20\n[ 46.985027] brcmf_netdev_start_xmit+0x718/0x8c8 [brcmfmac]\n[ 46.990613] dev_hard_start_xmit+0x1bc/0xda0\n[ 46.994894] sch_direct_xmit+0x198/0xd08\n[ 46.998827] __qdisc_run+0x37c/0x1dc0\n[ 47.002500] __dev_queue_xmit+0x1528/0x21f8\n[ 47.006692] dev_queue_xmit+0x24/0x30\n[ 47.010366] neigh_resolve_output+0x37c/0x678\n[ 47.014734] ip_finish_output2+0x598/0x2458\n[ 47.018927] __ip_finish_output+0x300/0x730\n[ 47.023118] ip_output+0x2e0/0x430\n[ 47.026530] ip_local_out+0x90/0x140\n[ 47.030117] igmpv3_sendpack+0x14c/0x228\n[ 47.034049] igmpv3_send_cr+0x384/0x6b8\n[ 47.037895] igmp_ifc_timer_expire+0x4c/0x118\n[ 47.042262] call_timer_fn+0x1cc/0xbe8\n[ 47.046021] __run_timers+0x4d8/0xb28\n[ 47.049693] run_timer_softirq+0x24/0x40\n[ 47.053626] __do_softirq+0x2c0/0x117c\n[ 47.057387] irq_exit+0x2dc/0x388\n[ 47.060715] __handle_domain_irq+0xb4/0x158\n[ 47.064908] gic_handle_irq+0x58/0xb0\n[ 47.068581] el0_irq_naked+0x50/0x5c\n[ 47.072162]\n[ 47.073665] Allocated by task 328:\n[ 47.077083] save_stack+0x24/0xb0\n[ 47.080410] __kasan_kmalloc.isra.0+0xc0/0xe0\n[ 47.084776] kasan_slab_alloc+0x14/0x20\n[ 47.088622] kmem_cache_alloc+0x15c/0x468\n[ 47.092643] __alloc_skb+0xa4/0x498\n[ 47.096142] igmpv3_newpack+0x158/0xd78\n[ 47.099987] add_grhead+0x210/0x288\n[ 47.103485] add_grec+0x6b0/0xb70\n[ 47.106811] igmpv3_send_cr+0x2e0/0x6b8\n[ 47.110657] igmp_ifc_timer_expire+0x4c/0x118\n[ 47.115027] call_timer_fn+0x1cc/0xbe8\n[ 47.118785] __run_timers+0x4d8/0xb28\n[ 47.122457] run_timer_softirq+0x24/0x40\n[ 47.126389] __do_softirq+0x2c0/0x117c\n[ 47.130142]\n[ 47.131643] Freed by task 180:\n[ 47.134712] save_stack+0x24/0xb0\n[ 47.138041] __kasan_slab_free+0x108/0x180\n[ 47.142146] kasan_slab_free+0x10/0x18\n[ 47.145904] slab_free_freelist_hook+0xa4/0x1b0\n[ 47.150444] kmem_cache_free+0x8c/0x528\n[ 47.154292] kfree_skbmem+0x94/0x108\n[ 47.157880] consume_skb+0x10c/0x5a8\n[ 47.161466] __dev_kfree_skb_any+0x88/0xa0\n[ 47.165598] brcmu_pkt_buf_free_skb+0x44/0x68 [brcmutil]\n[ 47.171023] brcmf_txfinalize+0xec/0x190 [brcmfmac]\n[ 47.176016] brcmf_proto_bcdc_txcomplete+0x1c0/0x210 [brcmfmac]\n[ 47.182056] brcmf_sdio_sendfromq+0x8dc/0x1e80 [brcmfmac]\n[ 47.187568] brcmf_sdio_dpc+0xb48/0x2108 [brcmfmac]\n[ 47.192529] brcmf_sdio_dataworker+0xc8/0x238 [brcmfmac]\n[ 47.197859] process_one_work+0x7fc/0x1a80\n[ 47.201965] worker_thread+0x31c/0xc40\n[ 47.205726] kthread+0x2d8/0x370\n[ 47.208967] ret_from_fork+0x10/0x18\n[ 47.212546]\n[ 47.214051] The buggy address belongs to the object at ffffff803f588280\n[ 47.214051] which belongs to the cache skbuff_head_cache of size 208\n[ 47.227086] The buggy address is located 104 bytes inside of\n[ 47.227086] 208-byte region [ffffff803f588280, ffffff803f588350)\n[ 47.238814] The buggy address belongs to the page:\n[ 47.243618] page:ffffffff00dd6200 refcount:1 mapcou\n---truncated---", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-20.03-LTS-SP4:bpftool-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-devel-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", 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"openEuler-20.03-LTS-SP4:python2-perf-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:python3-perf-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:python3-perf-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.aarch64" ] }, "remediations":[ { "product_ids":[ "openEuler-20.03-LTS-SP4:bpftool-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-devel-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-source-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-tools-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-tools-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-tools-devel-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:perf-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:perf-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:python2-perf-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:python2-perf-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:python3-perf-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:python3-perf-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2510.1.0.0346.oe2003sp4.src", "openEuler-20.03-LTS-SP4:bpftool-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-devel-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-source-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-devel-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:perf-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:perf-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:python2-perf-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:python2-perf-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:python3-perf-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:python3-perf-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.aarch64" ], "details":"kernel security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2406" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"HIGH", "baseScore":7.0, "vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version":"3.1" }, "products":[ "openEuler-20.03-LTS-SP4:bpftool-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-devel-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-source-4.19.90-2510.1.0.0346.oe2003sp4.x86_64", 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"openEuler-20.03-LTS-SP4:python3-perf-4.19.90-2510.1.0.0346.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:python3-perf-debuginfo-4.19.90-2510.1.0.0346.oe2003sp4.aarch64" ] } ], "threats":[ { "details":"High", "category":"impact" } ], "title":"CVE-2022-50408" } ] }