Vulnerability-Lookup

FKIE_CVE-2024-53160

Vulnerability from fkie_nvd - Published: 2024-12-24 12:15 - Updated: 2025-10-01 21:16

Severity ?

4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: rcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu KCSAN reports a data race when access the krcp->monitor_work.timer.expires variable in the schedule_delayed_monitor_work() function: <snip> BUG: KCSAN: data-race in __mod_timer / kvfree_call_rcu read to 0xffff888237d1cce8 of 8 bytes by task 10149 on cpu 1: schedule_delayed_monitor_work kernel/rcu/tree.c:3520 [inline] kvfree_call_rcu+0x3b8/0x510 kernel/rcu/tree.c:3839 trie_update_elem+0x47c/0x620 kernel/bpf/lpm_trie.c:441 bpf_map_update_value+0x324/0x350 kernel/bpf/syscall.c:203 generic_map_update_batch+0x401/0x520 kernel/bpf/syscall.c:1849 bpf_map_do_batch+0x28c/0x3f0 kernel/bpf/syscall.c:5143 __sys_bpf+0x2e5/0x7a0 __do_sys_bpf kernel/bpf/syscall.c:5741 [inline] __se_sys_bpf kernel/bpf/syscall.c:5739 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5739 x64_sys_call+0x2625/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:322 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f write to 0xffff888237d1cce8 of 8 bytes by task 56 on cpu 0: __mod_timer+0x578/0x7f0 kernel/time/timer.c:1173 add_timer_global+0x51/0x70 kernel/time/timer.c:1330 __queue_delayed_work+0x127/0x1a0 kernel/workqueue.c:2523 queue_delayed_work_on+0xdf/0x190 kernel/workqueue.c:2552 queue_delayed_work include/linux/workqueue.h:677 [inline] schedule_delayed_monitor_work kernel/rcu/tree.c:3525 [inline] kfree_rcu_monitor+0x5e8/0x660 kernel/rcu/tree.c:3643 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 56 Comm: kworker/u8:4 Not tainted 6.12.0-rc2-syzkaller-00050-g5b7c893ed5ed #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound kfree_rcu_monitor <snip> kfree_rcu_monitor() rearms the work if a "krcp" has to be still offloaded and this is done without holding krcp->lock, whereas the kvfree_call_rcu() holds it. Fix it by acquiring the "krcp->lock" for kfree_rcu_monitor() so both functions do not race anymore.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/05b8ea1f16667f07c8e5843fb4bde3e49d49ead8	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5ced426d97ce84299ecfcc7bd8b38f975fd11089	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/967a0e61910825d1fad009d836a6cb41f7402395	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a23da88c6c80e41e0503e0b481a22c9eea63f263	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*

JSON

To clipboard

{
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    {
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  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu\n\nKCSAN reports a data race when access the krcp-\u003emonitor_work.timer.expires\nvariable in the schedule_delayed_monitor_work() function:\n\n\u003csnip\u003e\nBUG: KCSAN: data-race in __mod_timer / kvfree_call_rcu\n\nread to 0xffff888237d1cce8 of 8 bytes by task 10149 on cpu 1:\n schedule_delayed_monitor_work kernel/rcu/tree.c:3520 [inline]\n kvfree_call_rcu+0x3b8/0x510 kernel/rcu/tree.c:3839\n trie_update_elem+0x47c/0x620 kernel/bpf/lpm_trie.c:441\n bpf_map_update_value+0x324/0x350 kernel/bpf/syscall.c:203\n generic_map_update_batch+0x401/0x520 kernel/bpf/syscall.c:1849\n bpf_map_do_batch+0x28c/0x3f0 kernel/bpf/syscall.c:5143\n __sys_bpf+0x2e5/0x7a0\n __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]\n __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]\n __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5739\n x64_sys_call+0x2625/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:322\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nwrite to 0xffff888237d1cce8 of 8 bytes by task 56 on cpu 0:\n __mod_timer+0x578/0x7f0 kernel/time/timer.c:1173\n add_timer_global+0x51/0x70 kernel/time/timer.c:1330\n __queue_delayed_work+0x127/0x1a0 kernel/workqueue.c:2523\n queue_delayed_work_on+0xdf/0x190 kernel/workqueue.c:2552\n queue_delayed_work include/linux/workqueue.h:677 [inline]\n schedule_delayed_monitor_work kernel/rcu/tree.c:3525 [inline]\n kfree_rcu_monitor+0x5e8/0x660 kernel/rcu/tree.c:3643\n process_one_work kernel/workqueue.c:3229 [inline]\n process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310\n worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391\n kthread+0x1d1/0x210 kernel/kthread.c:389\n ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n\nReported by Kernel Concurrency Sanitizer on:\nCPU: 0 UID: 0 PID: 56 Comm: kworker/u8:4 Not tainted 6.12.0-rc2-syzkaller-00050-g5b7c893ed5ed #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nWorkqueue: events_unbound kfree_rcu_monitor\n\u003csnip\u003e\n\nkfree_rcu_monitor() rearms the work if a \"krcp\" has to be still\noffloaded and this is done without holding krcp-\u003elock, whereas\nthe kvfree_call_rcu() holds it.\n\nFix it by acquiring the \"krcp-\u003elock\" for kfree_rcu_monitor() so\nboth functions do not race anymore."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: rcu/kvfree: Se corrigi\u00f3 la ejecuci\u00f3n de datos en __mod_timer / kvfree_call_rcu KCSAN informa una ejecuci\u00f3n de datos al acceder a la variable krcp-\u0026gt;monitor_work.timer.expires en la funci\u00f3n Schedule_delayed_monitor_work():   BUG: KCSAN: data-race in __mod_timer / kvfree_call_rcu read to 0xffff888237d1cce8 of 8 bytes by task 10149 on cpu 1: schedule_delayed_monitor_work kernel/rcu/tree.c:3520 [inline] kvfree_call_rcu+0x3b8/0x510 kernel/rcu/tree.c:3839 trie_update_elem+0x47c/0x620 kernel/bpf/lpm_trie.c:441 bpf_map_update_value+0x324/0x350 kernel/bpf/syscall.c:203 generic_map_update_batch+0x401/0x520 kernel/bpf/syscall.c:1849 bpf_map_do_batch+0x28c/0x3f0 kernel/bpf/syscall.c:5143 __sys_bpf+0x2e5/0x7a0 __do_sys_bpf kernel/bpf/syscall.c:5741 [inline] __se_sys_bpf kernel/bpf/syscall.c:5739 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5739 x64_sys_call+0x2625/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:322 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f write to 0xffff888237d1cce8 of 8 bytes by task 56 on cpu 0: __mod_timer+0x578/0x7f0 kernel/time/timer.c:1173 add_timer_global+0x51/0x70 kernel/time/timer.c:1330 __queue_delayed_work+0x127/0x1a0 kernel/workqueue.c:2523 queue_delayed_work_on+0xdf/0x190 kernel/workqueue.c:2552 queue_delayed_work include/linux/workqueue.h:677 [inline] schedule_delayed_monitor_work kernel/rcu/tree.c:3525 [inline] kfree_rcu_monitor+0x5e8/0x660 kernel/rcu/tree.c:3643 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 56 Comm: kworker/u8:4 Not tainted 6.12.0-rc2-syzkaller-00050-g5b7c893ed5ed #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound kfree_rcu_monitor  kfree_rcu_monitor()  rearma el trabajo si se produce un \"krcp\" todav\u00eda tiene que estar descargado y esto se hace sin mantener krcp-\u0026gt;lock, mientras que kvfree_call_rcu() lo mantiene. Solucionarlo adquiriendo el \"krcp-\u0026gt;lock\" para kfree_rcu_monitor() para que ambas funciones ya no funcionen."
    }
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  "id": "CVE-2024-53160",
  "lastModified": "2025-10-01T21:16:38.163",
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}

CVE-2024-53160 (GCVE-0-2024-53160)

Vulnerability from cvelistv5 – Published: 2024-12-24 11:29 – Updated: 2025-10-01 20:17

Title

rcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu

Summary

Severity ?

4.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/967a0e61910825d1f…
	https://git.kernel.org/stable/c/05b8ea1f16667f07c…
	https://git.kernel.org/stable/c/5ced426d97ce84299…
	https://git.kernel.org/stable/c/a23da88c6c80e41e0…

Impacted products

Vendor

Product

Version

Linux

Affected: 8fc5494ad5face62747a3937db66b00db1e5d80b , < 967a0e61910825d1fad009d836a6cb41f7402395 (git)
Affected: 8fc5494ad5face62747a3937db66b00db1e5d80b , < 05b8ea1f16667f07c8e5843fb4bde3e49d49ead8 (git)
Affected: 8fc5494ad5face62747a3937db66b00db1e5d80b , < 5ced426d97ce84299ecfcc7bd8b38f975fd11089 (git)
Affected: 8fc5494ad5face62747a3937db66b00db1e5d80b , < a23da88c6c80e41e0503e0b481a22c9eea63f263 (git)

Linux

Affected: 6.3
Unaffected: 0 , < 6.3 (semver)
Unaffected: 6.6.64 , ≤ 6.6.* (semver)
Unaffected: 6.11.11 , ≤ 6.11.* (semver)
Unaffected: 6.12.2 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu\n\nKCSAN reports a data race when access the krcp-\u003emonitor_work.timer.expires\nvariable in the schedule_delayed_monitor_work() function:\n\n\u003csnip\u003e\nBUG: KCSAN: data-race in __mod_timer / kvfree_call_rcu\n\nread to 0xffff888237d1cce8 of 8 bytes by task 10149 on cpu 1:\n schedule_delayed_monitor_work kernel/rcu/tree.c:3520 [inline]\n kvfree_call_rcu+0x3b8/0x510 kernel/rcu/tree.c:3839\n trie_update_elem+0x47c/0x620 kernel/bpf/lpm_trie.c:441\n bpf_map_update_value+0x324/0x350 kernel/bpf/syscall.c:203\n generic_map_update_batch+0x401/0x520 kernel/bpf/syscall.c:1849\n bpf_map_do_batch+0x28c/0x3f0 kernel/bpf/syscall.c:5143\n __sys_bpf+0x2e5/0x7a0\n __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]\n __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]\n __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5739\n x64_sys_call+0x2625/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:322\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nwrite to 0xffff888237d1cce8 of 8 bytes by task 56 on cpu 0:\n __mod_timer+0x578/0x7f0 kernel/time/timer.c:1173\n add_timer_global+0x51/0x70 kernel/time/timer.c:1330\n __queue_delayed_work+0x127/0x1a0 kernel/workqueue.c:2523\n queue_delayed_work_on+0xdf/0x190 kernel/workqueue.c:2552\n queue_delayed_work include/linux/workqueue.h:677 [inline]\n schedule_delayed_monitor_work kernel/rcu/tree.c:3525 [inline]\n kfree_rcu_monitor+0x5e8/0x660 kernel/rcu/tree.c:3643\n process_one_work kernel/workqueue.c:3229 [inline]\n process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310\n worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391\n kthread+0x1d1/0x210 kernel/kthread.c:389\n ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n\nReported by Kernel Concurrency Sanitizer on:\nCPU: 0 UID: 0 PID: 56 Comm: kworker/u8:4 Not tainted 6.12.0-rc2-syzkaller-00050-g5b7c893ed5ed #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nWorkqueue: events_unbound kfree_rcu_monitor\n\u003csnip\u003e\n\nkfree_rcu_monitor() rearms the work if a \"krcp\" has to be still\noffloaded and this is done without holding krcp-\u003elock, whereas\nthe kvfree_call_rcu() holds it.\n\nFix it by acquiring the \"krcp-\u003elock\" for kfree_rcu_monitor() so\nboth functions do not race anymore."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T09:54:33.141Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/967a0e61910825d1fad009d836a6cb41f7402395"
        },
        {
          "url": "https://git.kernel.org/stable/c/05b8ea1f16667f07c8e5843fb4bde3e49d49ead8"
        },
        {
          "url": "https://git.kernel.org/stable/c/5ced426d97ce84299ecfcc7bd8b38f975fd11089"
        },
        {
          "url": "https://git.kernel.org/stable/c/a23da88c6c80e41e0503e0b481a22c9eea63f263"
        }
      ],
      "title": "rcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-53160",
    "datePublished": "2024-12-24T11:29:00.964Z",
    "dateReserved": "2024-11-19T17:17:25.002Z",
    "dateUpdated": "2025-10-01T20:17:08.248Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

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FKIE_CVE-2024-53160

CVE-2024-53160 (GCVE-0-2024-53160)

Tags

Sightings

Nomenclature