CVE-2022-49322 (GCVE-0-2022-49322)
Vulnerability from cvelistv5
Published
2025-02-26 02:10
Modified
2026-05-11 18:57
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: tracing: Fix sleeping function called from invalid context on RT kernel When setting bootparams="trace_event=initcall:initcall_start tp_printk=1" in the cmdline, the output_printk() was called, and the spin_lock_irqsave() was called in the atomic and irq disable interrupt context suitation. On the PREEMPT_RT kernel, these locks are replaced with sleepable rt-spinlock, so the stack calltrace will be triggered. Fix it by raw_spin_lock_irqsave when PREEMPT_RT and "trace_event=initcall:initcall_start tp_printk=1" enabled. BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:46 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0 preempt_count: 2, expected: 0 RCU nest depth: 0, expected: 0 Preemption disabled at: [<ffffffff8992303e>] try_to_wake_up+0x7e/0xba0 CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.1-rt17+ #19 34c5812404187a875f32bee7977f7367f9679ea7 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x60/0x8c dump_stack+0x10/0x12 __might_resched.cold+0x11d/0x155 rt_spin_lock+0x40/0x70 trace_event_buffer_commit+0x2fa/0x4c0 ? map_vsyscall+0x93/0x93 trace_event_raw_event_initcall_start+0xbe/0x110 ? perf_trace_initcall_finish+0x210/0x210 ? probe_sched_wakeup+0x34/0x40 ? ttwu_do_wakeup+0xda/0x310 ? trace_hardirqs_on+0x35/0x170 ? map_vsyscall+0x93/0x93 do_one_initcall+0x217/0x3c0 ? trace_event_raw_event_initcall_level+0x170/0x170 ? push_cpu_stop+0x400/0x400 ? cblist_init_generic+0x241/0x290 kernel_init_freeable+0x1ac/0x347 ? _raw_spin_unlock_irq+0x65/0x80 ? rest_init+0xf0/0xf0 kernel_init+0x1e/0x150 ret_from_fork+0x22/0x30 </TASK>
References
Impacted products
Vendor Product Version
Linux Linux Version: 0daa2302968c13b657118d6ac92471f8fd2f3f28
Version: 0daa2302968c13b657118d6ac92471f8fd2f3f28
Version: 0daa2302968c13b657118d6ac92471f8fd2f3f28
Version: 0daa2302968c13b657118d6ac92471f8fd2f3f28
Version: 0daa2302968c13b657118d6ac92471f8fd2f3f28
Version: 0daa2302968c13b657118d6ac92471f8fd2f3f28
Version: 0daa2302968c13b657118d6ac92471f8fd2f3f28
Version: 0daa2302968c13b657118d6ac92471f8fd2f3f28
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix sleeping function called from invalid context on RT kernel\n\nWhen setting bootparams=\"trace_event=initcall:initcall_start tp_printk=1\" in the\ncmdline, the output_printk() was called, and the spin_lock_irqsave() was called in the\natomic and irq disable interrupt context suitation. On the PREEMPT_RT kernel,\nthese locks are replaced with sleepable rt-spinlock, so the stack calltrace will\nbe triggered.\nFix it by raw_spin_lock_irqsave when PREEMPT_RT and \"trace_event=initcall:initcall_start\ntp_printk=1\" enabled.\n\n BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:46\n in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0\n preempt_count: 2, expected: 0\n RCU nest depth: 0, expected: 0\n Preemption disabled at:\n [\u003cffffffff8992303e\u003e] try_to_wake_up+0x7e/0xba0\n CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.1-rt17+ #19 34c5812404187a875f32bee7977f7367f9679ea7\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014\n Call Trace:\n  \u003cTASK\u003e\n  dump_stack_lvl+0x60/0x8c\n  dump_stack+0x10/0x12\n  __might_resched.cold+0x11d/0x155\n  rt_spin_lock+0x40/0x70\n  trace_event_buffer_commit+0x2fa/0x4c0\n  ? map_vsyscall+0x93/0x93\n  trace_event_raw_event_initcall_start+0xbe/0x110\n  ? perf_trace_initcall_finish+0x210/0x210\n  ? probe_sched_wakeup+0x34/0x40\n  ? ttwu_do_wakeup+0xda/0x310\n  ? trace_hardirqs_on+0x35/0x170\n  ? map_vsyscall+0x93/0x93\n  do_one_initcall+0x217/0x3c0\n  ? trace_event_raw_event_initcall_level+0x170/0x170\n  ? push_cpu_stop+0x400/0x400\n  ? cblist_init_generic+0x241/0x290\n  kernel_init_freeable+0x1ac/0x347\n  ? _raw_spin_unlock_irq+0x65/0x80\n  ? rest_init+0xf0/0xf0\n  kernel_init+0x1e/0x150\n  ret_from_fork+0x22/0x30\n  \u003c/TASK\u003e"
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    "cveId": "CVE-2022-49322",
    "datePublished": "2025-02-26T02:10:46.658Z",
    "dateReserved": "2025-02-26T02:08:31.537Z",
    "dateUpdated": "2026-05-11T18:57:27.338Z",
    "state": "PUBLISHED"
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\"unaffected\", \"version\": \"5.19\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"kernel/trace/trace.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/be1f323fb9d9b14a505ca22d742d321769454de1\"}, {\"url\": \"https://git.kernel.org/stable/c/40f9fde06b25884baa0c4bd138b909a9b67218b4\"}, {\"url\": \"https://git.kernel.org/stable/c/48c6ee7d6c614f09b2c8553a95eefef6ecf196e0\"}, {\"url\": \"https://git.kernel.org/stable/c/1788e6dbb61286215442b1af99e51405a6206762\"}, {\"url\": \"https://git.kernel.org/stable/c/9b534640a2c6a8d88168febc82ec6d161184f2ec\"}, {\"url\": \"https://git.kernel.org/stable/c/43bfc4dccc416c964b53cbdc430e814f8b6f770b\"}, {\"url\": \"https://git.kernel.org/stable/c/9abf3db8bdb63ab545034148ef2118f4d088ca59\"}, {\"url\": \"https://git.kernel.org/stable/c/12025abdc8539ed9d5014e2d647a3fd1bd3de5cd\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntracing: Fix sleeping function called from invalid context on RT kernel\\n\\nWhen setting bootparams=\\\"trace_event=initcall:initcall_start tp_printk=1\\\" in the\\ncmdline, the output_printk() was called, and the spin_lock_irqsave() was called in the\\natomic and irq disable interrupt context suitation. On the PREEMPT_RT kernel,\\nthese locks are replaced with sleepable rt-spinlock, so the stack calltrace will\\nbe triggered.\\nFix it by raw_spin_lock_irqsave when PREEMPT_RT and \\\"trace_event=initcall:initcall_start\\ntp_printk=1\\\" enabled.\\n\\n BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:46\\n in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0\\n preempt_count: 2, expected: 0\\n RCU nest depth: 0, expected: 0\\n Preemption disabled at:\\n [\u003cffffffff8992303e\u003e] try_to_wake_up+0x7e/0xba0\\n CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.1-rt17+ #19 34c5812404187a875f32bee7977f7367f9679ea7\\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014\\n Call Trace:\\n  \u003cTASK\u003e\\n  dump_stack_lvl+0x60/0x8c\\n  dump_stack+0x10/0x12\\n  __might_resched.cold+0x11d/0x155\\n  rt_spin_lock+0x40/0x70\\n  trace_event_buffer_commit+0x2fa/0x4c0\\n  ? map_vsyscall+0x93/0x93\\n  trace_event_raw_event_initcall_start+0xbe/0x110\\n  ? perf_trace_initcall_finish+0x210/0x210\\n  ? probe_sched_wakeup+0x34/0x40\\n  ? ttwu_do_wakeup+0xda/0x310\\n  ? trace_hardirqs_on+0x35/0x170\\n  ? map_vsyscall+0x93/0x93\\n  do_one_initcall+0x217/0x3c0\\n  ? trace_event_raw_event_initcall_level+0x170/0x170\\n  ? push_cpu_stop+0x400/0x400\\n  ? cblist_init_generic+0x241/0x290\\n  kernel_init_freeable+0x1ac/0x347\\n  ? _raw_spin_unlock_irq+0x65/0x80\\n  ? rest_init+0xf0/0xf0\\n  kernel_init+0x1e/0x150\\n  ret_from_fork+0x22/0x30\\n  \u003c/TASK\u003e\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.283\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.247\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.198\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.122\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.47\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.15\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18.4\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19\", \"versionStartIncluding\": \"3.19\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T18:57:27.338Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49322\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T18:57:27.338Z\", \"dateReserved\": \"2025-02-26T02:08:31.537Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T02:10:46.658Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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