CVE-2025-21718 (GCVE-0-2025-21718)
Vulnerability from cvelistv5
Published
2025-02-27 02:07
Modified
2025-05-04 07:19
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net: rose: fix timer races against user threads Rose timers only acquire the socket spinlock, without checking if the socket is owned by one user thread. Add a check and rearm the timers if needed. BUG: KASAN: slab-use-after-free in rose_timer_expiry+0x31d/0x360 net/rose/rose_timer.c:174 Read of size 2 at addr ffff88802f09b82a by task swapper/0/0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.13.0-rc5-syzkaller-00172-gd1bf27c4e176 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x169/0x550 mm/kasan/report.c:489 kasan_report+0x143/0x180 mm/kasan/report.c:602 rose_timer_expiry+0x31d/0x360 net/rose/rose_timer.c:174 call_timer_fn+0x187/0x650 kernel/time/timer.c:1793 expire_timers kernel/time/timer.c:1844 [inline] __run_timers kernel/time/timer.c:2418 [inline] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2430 run_timer_base kernel/time/timer.c:2439 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 </IRQ>
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0d5bca3be27bfcf8f980f2fed49b6cbb7dafe4a1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1409b45d4690308c502c6caf22f01c3c205b4717
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1992fb261c90e9827cf5dc3115d89bb0853252c9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/51c128ba038cf1b79d605cbee325919b45ab95a5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/52f5aff33ca73b2c2fa93f40a3de308012e63cf4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/58051a284ac18a3bb815aac6289a679903ddcc3fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5de7665e0a0746b5ad7943554b34db8f8614a196Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f55c88e3ca5939a6a8a329024aed8f3d98eea8e4Patch
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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   Linux Linux Version: 2.6.12
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{
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: rose: fix timer races against user threads\n\nRose timers only acquire the socket spinlock, without\nchecking if the socket is owned by one user thread.\n\nAdd a check and rearm the timers if needed.\n\nBUG: KASAN: slab-use-after-free in rose_timer_expiry+0x31d/0x360 net/rose/rose_timer.c:174\nRead of size 2 at addr ffff88802f09b82a by task swapper/0/0\n\nCPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.13.0-rc5-syzkaller-00172-gd1bf27c4e176 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nCall Trace:\n \u003cIRQ\u003e\n  __dump_stack lib/dump_stack.c:94 [inline]\n  dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\n  print_address_description mm/kasan/report.c:378 [inline]\n  print_report+0x169/0x550 mm/kasan/report.c:489\n  kasan_report+0x143/0x180 mm/kasan/report.c:602\n  rose_timer_expiry+0x31d/0x360 net/rose/rose_timer.c:174\n  call_timer_fn+0x187/0x650 kernel/time/timer.c:1793\n  expire_timers kernel/time/timer.c:1844 [inline]\n  __run_timers kernel/time/timer.c:2418 [inline]\n  __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2430\n  run_timer_base kernel/time/timer.c:2439 [inline]\n  run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449\n  handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561\n  __do_softirq kernel/softirq.c:595 [inline]\n  invoke_softirq kernel/softirq.c:435 [inline]\n  __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662\n  irq_exit_rcu+0x9/0x30 kernel/softirq.c:678\n  instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]\n  sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049\n \u003c/IRQ\u003e"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T07:19:42.210Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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        },
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          "url": "https://git.kernel.org/stable/c/0d5bca3be27bfcf8f980f2fed49b6cbb7dafe4a1"
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          "url": "https://git.kernel.org/stable/c/5de7665e0a0746b5ad7943554b34db8f8614a196"
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      ],
      "title": "net: rose: fix timer races against user threads",
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-21718",
    "datePublished": "2025-02-27T02:07:27.971Z",
    "dateReserved": "2024-12-29T08:45:45.753Z",
    "dateUpdated": "2025-05-04T07:19:42.210Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-21718\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-02-27T02:15:15.473\",\"lastModified\":\"2025-03-13T13:15:49.760\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: rose: fix timer races against user threads\\n\\nRose timers only acquire the socket spinlock, without\\nchecking if the socket is owned by one user thread.\\n\\nAdd a check and rearm the timers if needed.\\n\\nBUG: KASAN: slab-use-after-free in rose_timer_expiry+0x31d/0x360 net/rose/rose_timer.c:174\\nRead of size 2 at addr ffff88802f09b82a by task swapper/0/0\\n\\nCPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.13.0-rc5-syzkaller-00172-gd1bf27c4e176 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\\nCall Trace:\\n \u003cIRQ\u003e\\n  __dump_stack lib/dump_stack.c:94 [inline]\\n  dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\\n  print_address_description mm/kasan/report.c:378 [inline]\\n  print_report+0x169/0x550 mm/kasan/report.c:489\\n  kasan_report+0x143/0x180 mm/kasan/report.c:602\\n  rose_timer_expiry+0x31d/0x360 net/rose/rose_timer.c:174\\n  call_timer_fn+0x187/0x650 kernel/time/timer.c:1793\\n  expire_timers kernel/time/timer.c:1844 [inline]\\n  __run_timers kernel/time/timer.c:2418 [inline]\\n  __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2430\\n  run_timer_base kernel/time/timer.c:2439 [inline]\\n  run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449\\n  handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561\\n  __do_softirq kernel/softirq.c:595 [inline]\\n  invoke_softirq kernel/softirq.c:435 [inline]\\n  __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662\\n  irq_exit_rcu+0x9/0x30 kernel/softirq.c:678\\n  instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]\\n  sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049\\n \u003c/IRQ\u003e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: rose: se corrige la ejecuci\u00f3n de temporizadores contra subprocesos de usuario Los temporizadores de Rose solo adquieren el bloqueo de giro del socket, sin verificar si el socket es propiedad de un subproceso de usuario. Agregue una verificaci\u00f3n y vuelva a armar los temporizadores si es necesario. ERROR: KASAN: slab-use-after-free en rose_timer_expiry+0x31d/0x360 net/rose/rose_timer.c:174 Lectura de tama\u00f1o 2 en la direcci\u00f3n ffff88802f09b82a por la tarea swapper/0/0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 No contaminado 6.13.0-rc5-syzkaller-00172-gd1bf27c4e176 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 13/09/2024 Rastreo de llamadas:  __dump_stack lib/dump_stack.c:94 [en l\u00ednea] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [en l\u00ednea] print_report+0x169/0x550 mm/kasan/report.c:489 kasan_report+0x143/0x180 mm/kasan/report.c:602 rose_timer_expiry+0x31d/0x360 net/rose/rose_timer.c:174 call_timer_fn+0x187/0x650 kernel/time/timer.c:1793 expire_timers kernel/time/timer.c:1844 [en l\u00ednea] __run_timers kernel/time/timer.c:2418 [en l\u00ednea] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2430 run_timer_base kernel/time/timer.c:2439 [en l\u00ednea] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [en l\u00ednea] invoke_softirq kernel/softirq.c:435 [en l\u00ednea] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [en l\u00ednea] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.0,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.0,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-362\"},{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.12\",\"versionEndExcluding\":\"6.1.129\",\"matchCriteriaId\":\"7CFA9ED9-656E-463E-A661-B2C4369D63EB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.76\",\"matchCriteriaId\":\"A6D70701-9CB6-4222-A957-00A419878993\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.13\",\"matchCriteriaId\":\"2897389C-A8C3-4D69-90F2-E701B3D66373\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.13.2\",\"matchCriteriaId\":\"6D4116B1-1BFD-4F23-BA84-169CC05FC5A3\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0d5bca3be27bfcf8f980f2fed49b6cbb7dafe4a1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1409b45d4690308c502c6caf22f01c3c205b4717\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1992fb261c90e9827cf5dc3115d89bb0853252c9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/51c128ba038cf1b79d605cbee325919b45ab95a5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/52f5aff33ca73b2c2fa93f40a3de308012e63cf4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/58051a284ac18a3bb815aac6289a679903ddcc3f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5de7665e0a0746b5ad7943554b34db8f8614a196\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f55c88e3ca5939a6a8a329024aed8f3d98eea8e4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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