{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"MEDIUM" }, "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\nnetdevsim: use cond_resched() in nsim_dev_trap_report_work()\n\nI am still seeing many syzbot reports hinting that syzbot\nmight fool nsim_dev_trap_report_work() with hundreds of ports [1]\n\nLets use cond_resched(), and system_unbound_wq\ninstead of implicit system_wq.\n\n[1]\nINFO: task syz-executor:20633 blocked for more than 143 seconds.\n Not tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\ntask:syz-executor state:D stack:25856 pid:20633 tgid:20633 ppid:1 flags:0x00004006\n...\nNMI backtrace for cpu 1\nCPU: 1 UID: 0 PID: 16760 Comm: kworker/1:0 Not tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nWorkqueue: events nsim_dev_trap_report_work\n RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210\nCode: 89 fb e8 23 00 00 00 48 8b 3d 04 fb 9c 0c 48 89 de 5b e9 c3 c7 5d 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 c0 d7 03 00 65 8b 15 60 f0\nRSP: 0018:ffffc90000a187e8 EFLAGS: 00000246\nRAX: 0000000000000100 RBX: ffffc90000a188e0 RCX: ffff888027d3bc00\nRDX: ffff888027d3bc00 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: ffff88804a2e6000 R08: ffffffff8a4bc495 R09: ffffffff89da3577\nR10: 0000000000000004 R11: ffffffff8a4bc2b0 R12: dffffc0000000000\nR13: ffff88806573b503 R14: dffffc0000000000 R15: ffff8880663cca00\nFS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fc90a747f98 CR3: 000000000e734000 CR4: 00000000003526f0\nDR0: 0000000000000000 DR1: 000000000000002b DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400\nCall Trace:\n \n \n \n __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382\n spin_unlock_bh include/linux/spinlock.h:396 [inline]\n nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]\n nsim_dev_trap_report_work+0x75d/0xaa0 drivers/net/netdevsim/dev.c:850\n process_one_work kernel/workqueue.c:3229 [inline]\n process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310\n worker_thread+0x870/0xd30 kernel/workqueue.c:3391\n kthread+0x2f0/0x390 kernel/kthread.c:389\n ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\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-2024-50155" }, { "summary":"CVE-2024-50155 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2024/csaf-openeuler-cve-2024-50155.json" }, { "summary":"openEuler-SA-2024-2522", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2522" }, { "summary":"CVE-2024-50155", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2024-50155&packageName=kernel" } ], "title":"openEuler cve CVE-2024-50155", "tracking":{ "initial_release_date":"2024-12-06T23:24:04+08:00", "revision_history":[ { "date":"2024-12-06T23:24:04+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2024-12-06T23:24:04+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2024-12-06T23:24:04+08:00", "id":"CVE-2024-50155", "version":"1.0.0", 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tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nWorkqueue: events nsim_dev_trap_report_work\n RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210\nCode: 89 fb e8 23 00 00 00 48 8b 3d 04 fb 9c 0c 48 89 de 5b e9 c3 c7 5d 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 c0 d7 03 00 65 8b 15 60 f0\nRSP: 0018:ffffc90000a187e8 EFLAGS: 00000246\nRAX: 0000000000000100 RBX: ffffc90000a188e0 RCX: ffff888027d3bc00\nRDX: ffff888027d3bc00 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: ffff88804a2e6000 R08: ffffffff8a4bc495 R09: ffffffff89da3577\nR10: 0000000000000004 R11: ffffffff8a4bc2b0 R12: dffffc0000000000\nR13: ffff88806573b503 R14: dffffc0000000000 R15: ffff8880663cca00\nFS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fc90a747f98 CR3: 000000000e734000 CR4: 00000000003526f0\nDR0: 0000000000000000 DR1: 000000000000002b DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400\nCall Trace:\n \n \n \n __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382\n spin_unlock_bh include/linux/spinlock.h:396 [inline]\n nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]\n nsim_dev_trap_report_work+0x75d/0xaa0 drivers/net/netdevsim/dev.c:850\n process_one_work kernel/workqueue.c:3229 [inline]\n process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310\n worker_thread+0x870/0xd30 kernel/workqueue.c:3391\n kthread+0x2f0/0x390 kernel/kthread.c:389\n ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n ", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-24.03-LTS:bpftool-6.6.0-61.0.0.60.oe2403.aarch64", "openEuler-24.03-LTS:bpftool-debuginfo-6.6.0-61.0.0.60.oe2403.aarch64", 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