{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"LOW" }, "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\nvrf: revert \"vrf: Remove unnecessary RCU-bh critical section\"\n\nThis reverts commit 504fc6f4f7f681d2a03aa5f68aad549d90eab853.\n\ndev_queue_xmit_nit is expected to be called with BH disabled.\n__dev_queue_xmit has the following:\n\n /* Disable soft irqs for various locks below. Also\n * stops preemption for RCU.\n */\n rcu_read_lock_bh();\n\nVRF must follow this invariant. The referenced commit removed this\nprotection. Which triggered a lockdep warning:\n\n\t================================\n\tWARNING: inconsistent lock state\n\t6.11.0 #1 Tainted: G W\n\t--------------------------------\n\tinconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.\n\tbtserver/134819 [HC0[0]:SC0[0]:HE1:SE1] takes:\n\tffff8882da30c118 (rlock-AF_PACKET){+.?.}-{2:2}, at: tpacket_rcv+0x863/0x3b30\n\t{IN-SOFTIRQ-W} state was registered at:\n\t lock_acquire+0x19a/0x4f0\n\t _raw_spin_lock+0x27/0x40\n\t packet_rcv+0xa33/0x1320\n\t __netif_receive_skb_core.constprop.0+0xcb0/0x3a90\n\t __netif_receive_skb_list_core+0x2c9/0x890\n\t netif_receive_skb_list_internal+0x610/0xcc0\n [...]\n\n\tother info that might help us debug this:\n\t Possible unsafe locking scenario:\n\n\t CPU0\n\t ----\n\t lock(rlock-AF_PACKET);\n\t \n\t lock(rlock-AF_PACKET);\n\n\t *** DEADLOCK ***\n\n\tCall Trace:\n\t \n\t dump_stack_lvl+0x73/0xa0\n\t mark_lock+0x102e/0x16b0\n\t __lock_acquire+0x9ae/0x6170\n\t lock_acquire+0x19a/0x4f0\n\t _raw_spin_lock+0x27/0x40\n\t tpacket_rcv+0x863/0x3b30\n\t dev_queue_xmit_nit+0x709/0xa40\n\t vrf_finish_direct+0x26e/0x340 [vrf]\n\t vrf_l3_out+0x5f4/0xe80 [vrf]\n\t __ip_local_out+0x51e/0x7a0\n [...]", "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-2024-49980" }, { "summary":"CVE-2024-49980 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2024/csaf-openeuler-cve-2024-49980.json" }, { "summary":"openEuler-SA-2025-1450", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1450" }, { "summary":"CVE-2024-49980", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2024-49980&packageName=kernel" } ], "title":"openEuler cve CVE-2024-49980", "tracking":{ "initial_release_date":"2025-04-25T22:10:36+08:00", "revision_history":[ { "date":"2025-04-25T22:10:36+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2025-04-25T22:10:36+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2025-04-25T22:10:36+08:00", "id":"CVE-2024-49980", "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:24.03-LTS" }, "product_id":"openEuler-24.03-LTS", "name":"openEuler-24.03-LTS" }, "name":"openEuler-24.03-LTS", "category":"product_version" } ], "category":"product_name" }, { "name":"aarch64", "branches":[ { "product":{ "product_identification_helper":{ 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commit 504fc6f4f7f681d2a03aa5f68aad549d90eab853.\n\ndev_queue_xmit_nit is expected to be called with BH disabled.\n__dev_queue_xmit has the following:\n\n /* Disable soft irqs for various locks below. Also\n * stops preemption for RCU.\n */\n rcu_read_lock_bh();\n\nVRF must follow this invariant. The referenced commit removed this\nprotection. Which triggered a lockdep warning:\n\n\t================================\n\tWARNING: inconsistent lock state\n\t6.11.0 #1 Tainted: G W\n\t--------------------------------\n\tinconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.\n\tbtserver/134819 [HC0[0]:SC0[0]:HE1:SE1] takes:\n\tffff8882da30c118 (rlock-AF_PACKET){+.?.}-{2:2}, at: tpacket_rcv+0x863/0x3b30\n\t{IN-SOFTIRQ-W} state was registered at:\n\t lock_acquire+0x19a/0x4f0\n\t _raw_spin_lock+0x27/0x40\n\t packet_rcv+0xa33/0x1320\n\t __netif_receive_skb_core.constprop.0+0xcb0/0x3a90\n\t __netif_receive_skb_list_core+0x2c9/0x890\n\t netif_receive_skb_list_internal+0x610/0xcc0\n [...]\n\n\tother info that might help us debug this:\n\t Possible unsafe locking scenario:\n\n\t CPU0\n\t ----\n\t lock(rlock-AF_PACKET);\n\t \n\t lock(rlock-AF_PACKET);\n\n\t *** DEADLOCK ***\n\n\tCall Trace:\n\t \n\t dump_stack_lvl+0x73/0xa0\n\t mark_lock+0x102e/0x16b0\n\t __lock_acquire+0x9ae/0x6170\n\t lock_acquire+0x19a/0x4f0\n\t _raw_spin_lock+0x27/0x40\n\t tpacket_rcv+0x863/0x3b30\n\t dev_queue_xmit_nit+0x709/0xa40\n\t vrf_finish_direct+0x26e/0x340 [vrf]\n\t vrf_l3_out+0x5f4/0xe80 [vrf]\n\t __ip_local_out+0x51e/0x7a0\n [...]", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-24.03-LTS:bpftool-6.6.0-87.0.0.82.oe2403.aarch64", "openEuler-24.03-LTS:bpftool-debuginfo-6.6.0-87.0.0.82.oe2403.aarch64", "openEuler-24.03-LTS:kernel-6.6.0-87.0.0.82.oe2403.aarch64", "openEuler-24.03-LTS:kernel-debuginfo-6.6.0-87.0.0.82.oe2403.aarch64", "openEuler-24.03-LTS:kernel-debugsource-6.6.0-87.0.0.82.oe2403.aarch64", "openEuler-24.03-LTS:kernel-devel-6.6.0-87.0.0.82.oe2403.aarch64", "openEuler-24.03-LTS:kernel-headers-6.6.0-87.0.0.82.oe2403.aarch64", "openEuler-24.03-LTS:kernel-source-6.6.0-87.0.0.82.oe2403.aarch64", "openEuler-24.03-LTS:kernel-tools-6.6.0-87.0.0.82.oe2403.aarch64", "openEuler-24.03-LTS:kernel-tools-debuginfo-6.6.0-87.0.0.82.oe2403.aarch64", 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