CVE-2023-53031 (GCVE-0-2023-53031)
Vulnerability from cvelistv5
Published
2025-03-27 16:43
Modified
2025-05-04 07:48
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: powerpc/imc-pmu: Fix use of mutex in IRQs disabled section Current imc-pmu code triggers a WARNING with CONFIG_DEBUG_ATOMIC_SLEEP and CONFIG_PROVE_LOCKING enabled, while running a thread_imc event. Command to trigger the warning: # perf stat -e thread_imc/CPM_CS_FROM_L4_MEM_X_DPTEG/ sleep 5 Performance counter stats for 'sleep 5': 0 thread_imc/CPM_CS_FROM_L4_MEM_X_DPTEG/ 5.002117947 seconds time elapsed 0.000131000 seconds user 0.001063000 seconds sys Below is snippet of the warning in dmesg: BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2869, name: perf-exec preempt_count: 2, expected: 0 4 locks held by perf-exec/2869: #0: c00000004325c540 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0x64/0xa90 #1: c00000004325c5d8 (&sig->exec_update_lock){++++}-{3:3}, at: begin_new_exec+0x460/0xef0 #2: c0000003fa99d4e0 (&cpuctx_lock){-...}-{2:2}, at: perf_event_exec+0x290/0x510 #3: c000000017ab8418 (&ctx->lock){....}-{2:2}, at: perf_event_exec+0x29c/0x510 irq event stamp: 4806 hardirqs last enabled at (4805): [<c000000000f65b94>] _raw_spin_unlock_irqrestore+0x94/0xd0 hardirqs last disabled at (4806): [<c0000000003fae44>] perf_event_exec+0x394/0x510 softirqs last enabled at (0): [<c00000000013c404>] copy_process+0xc34/0x1ff0 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 36 PID: 2869 Comm: perf-exec Not tainted 6.2.0-rc2-00011-g1247637727f2 #61 Hardware name: 8375-42A POWER9 0x4e1202 opal:v7.0-16-g9b85f7d961 PowerNV Call Trace: dump_stack_lvl+0x98/0xe0 (unreliable) __might_resched+0x2f8/0x310 __mutex_lock+0x6c/0x13f0 thread_imc_event_add+0xf4/0x1b0 event_sched_in+0xe0/0x210 merge_sched_in+0x1f0/0x600 visit_groups_merge.isra.92.constprop.166+0x2bc/0x6c0 ctx_flexible_sched_in+0xcc/0x140 ctx_sched_in+0x20c/0x2a0 ctx_resched+0x104/0x1c0 perf_event_exec+0x340/0x510 begin_new_exec+0x730/0xef0 load_elf_binary+0x3f8/0x1e10 ... do not call blocking ops when !TASK_RUNNING; state=2001 set at [<00000000fd63e7cf>] do_nanosleep+0x60/0x1a0 WARNING: CPU: 36 PID: 2869 at kernel/sched/core.c:9912 __might_sleep+0x9c/0xb0 CPU: 36 PID: 2869 Comm: sleep Tainted: G W 6.2.0-rc2-00011-g1247637727f2 #61 Hardware name: 8375-42A POWER9 0x4e1202 opal:v7.0-16-g9b85f7d961 PowerNV NIP: c000000000194a1c LR: c000000000194a18 CTR: c000000000a78670 REGS: c00000004d2134e0 TRAP: 0700 Tainted: G W (6.2.0-rc2-00011-g1247637727f2) MSR: 9000000000021033 <SF,HV,ME,IR,DR,RI,LE> CR: 48002824 XER: 00000000 CFAR: c00000000013fb64 IRQMASK: 1 The above warning triggered because the current imc-pmu code uses mutex lock in interrupt disabled sections. The function mutex_lock() internally calls __might_resched(), which will check if IRQs are disabled and in case IRQs are disabled, it will trigger the warning. Fix the issue by changing the mutex lock to spinlock. [mpe: Fix comments, trim oops in change log, add reported-by tags]
References
Impacted products
Vendor Product Version
Linux Linux Version: 8f95faaac56c18b32d0e23ace55417a440abdb7e
Version: 8f95faaac56c18b32d0e23ace55417a440abdb7e
Version: 8f95faaac56c18b32d0e23ace55417a440abdb7e
Version: 8f95faaac56c18b32d0e23ace55417a440abdb7e
Version: 8f95faaac56c18b32d0e23ace55417a440abdb7e
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/powerpc/include/asm/imc-pmu.h",
            "arch/powerpc/perf/imc-pmu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
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              "versionType": "git"
            }
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        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/powerpc/include/asm/imc-pmu.h",
            "arch/powerpc/perf/imc-pmu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.14"
            },
            {
              "lessThan": "4.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.229",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.164",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.89",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.229",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.164",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.89",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.7",
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                {
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                  "versionEndExcluding": "6.2",
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              ],
              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/imc-pmu: Fix use of mutex in IRQs disabled section\n\nCurrent imc-pmu code triggers a WARNING with CONFIG_DEBUG_ATOMIC_SLEEP\nand CONFIG_PROVE_LOCKING enabled, while running a thread_imc event.\n\nCommand to trigger the warning:\n  # perf stat -e thread_imc/CPM_CS_FROM_L4_MEM_X_DPTEG/ sleep 5\n\n   Performance counter stats for \u0027sleep 5\u0027:\n\n                   0      thread_imc/CPM_CS_FROM_L4_MEM_X_DPTEG/\n\n         5.002117947 seconds time elapsed\n\n         0.000131000 seconds user\n         0.001063000 seconds sys\n\nBelow is snippet of the warning in dmesg:\n\n  BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580\n  in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2869, name: perf-exec\n  preempt_count: 2, expected: 0\n  4 locks held by perf-exec/2869:\n   #0: c00000004325c540 (\u0026sig-\u003ecred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0x64/0xa90\n   #1: c00000004325c5d8 (\u0026sig-\u003eexec_update_lock){++++}-{3:3}, at: begin_new_exec+0x460/0xef0\n   #2: c0000003fa99d4e0 (\u0026cpuctx_lock){-...}-{2:2}, at: perf_event_exec+0x290/0x510\n   #3: c000000017ab8418 (\u0026ctx-\u003elock){....}-{2:2}, at: perf_event_exec+0x29c/0x510\n  irq event stamp: 4806\n  hardirqs last  enabled at (4805): [\u003cc000000000f65b94\u003e] _raw_spin_unlock_irqrestore+0x94/0xd0\n  hardirqs last disabled at (4806): [\u003cc0000000003fae44\u003e] perf_event_exec+0x394/0x510\n  softirqs last  enabled at (0): [\u003cc00000000013c404\u003e] copy_process+0xc34/0x1ff0\n  softirqs last disabled at (0): [\u003c0000000000000000\u003e] 0x0\n  CPU: 36 PID: 2869 Comm: perf-exec Not tainted 6.2.0-rc2-00011-g1247637727f2 #61\n  Hardware name: 8375-42A POWER9 0x4e1202 opal:v7.0-16-g9b85f7d961 PowerNV\n  Call Trace:\n    dump_stack_lvl+0x98/0xe0 (unreliable)\n    __might_resched+0x2f8/0x310\n    __mutex_lock+0x6c/0x13f0\n    thread_imc_event_add+0xf4/0x1b0\n    event_sched_in+0xe0/0x210\n    merge_sched_in+0x1f0/0x600\n    visit_groups_merge.isra.92.constprop.166+0x2bc/0x6c0\n    ctx_flexible_sched_in+0xcc/0x140\n    ctx_sched_in+0x20c/0x2a0\n    ctx_resched+0x104/0x1c0\n    perf_event_exec+0x340/0x510\n    begin_new_exec+0x730/0xef0\n    load_elf_binary+0x3f8/0x1e10\n  ...\n  do not call blocking ops when !TASK_RUNNING; state=2001 set at [\u003c00000000fd63e7cf\u003e] do_nanosleep+0x60/0x1a0\n  WARNING: CPU: 36 PID: 2869 at kernel/sched/core.c:9912 __might_sleep+0x9c/0xb0\n  CPU: 36 PID: 2869 Comm: sleep Tainted: G        W          6.2.0-rc2-00011-g1247637727f2 #61\n  Hardware name: 8375-42A POWER9 0x4e1202 opal:v7.0-16-g9b85f7d961 PowerNV\n  NIP:  c000000000194a1c LR: c000000000194a18 CTR: c000000000a78670\n  REGS: c00000004d2134e0 TRAP: 0700   Tainted: G        W           (6.2.0-rc2-00011-g1247637727f2)\n  MSR:  9000000000021033 \u003cSF,HV,ME,IR,DR,RI,LE\u003e  CR: 48002824  XER: 00000000\n  CFAR: c00000000013fb64 IRQMASK: 1\n\nThe above warning triggered because the current imc-pmu code uses mutex\nlock in interrupt disabled sections. The function mutex_lock()\ninternally calls __might_resched(), which will check if IRQs are\ndisabled and in case IRQs are disabled, it will trigger the warning.\n\nFix the issue by changing the mutex lock to spinlock.\n\n[mpe: Fix comments, trim oops in change log, add reported-by tags]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T07:48:07.136Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d0c6d2a31026102d4738b47a610bed4401b9834f"
        },
        {
          "url": "https://git.kernel.org/stable/c/8cbeb60320ac45a8240b561c8ef466b86c34dedc"
        },
        {
          "url": "https://git.kernel.org/stable/c/a90d339f1f66be4a946769b565668e2bd0686dfa"
        },
        {
          "url": "https://git.kernel.org/stable/c/424bcb570cb320d1d15238cd4c933522b90f78fa"
        },
        {
          "url": "https://git.kernel.org/stable/c/76d588dddc459fefa1da96e0a081a397c5c8e216"
        }
      ],
      "title": "powerpc/imc-pmu: Fix use of mutex in IRQs disabled section",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53031",
    "datePublished": "2025-03-27T16:43:59.607Z",
    "dateReserved": "2025-03-27T16:40:15.757Z",
    "dateUpdated": "2025-05-04T07:48:07.136Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53031\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-03-27T17:15:52.870\",\"lastModified\":\"2025-03-28T18:11:40.180\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\npowerpc/imc-pmu: Fix use of mutex in IRQs disabled section\\n\\nCurrent imc-pmu code triggers a WARNING with CONFIG_DEBUG_ATOMIC_SLEEP\\nand CONFIG_PROVE_LOCKING enabled, while running a thread_imc event.\\n\\nCommand to trigger the warning:\\n  # perf stat -e thread_imc/CPM_CS_FROM_L4_MEM_X_DPTEG/ sleep 5\\n\\n   Performance counter stats for \u0027sleep 5\u0027:\\n\\n                   0      thread_imc/CPM_CS_FROM_L4_MEM_X_DPTEG/\\n\\n         5.002117947 seconds time elapsed\\n\\n         0.000131000 seconds user\\n         0.001063000 seconds sys\\n\\nBelow is snippet of the warning in dmesg:\\n\\n  BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580\\n  in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2869, name: perf-exec\\n  preempt_count: 2, expected: 0\\n  4 locks held by perf-exec/2869:\\n   #0: c00000004325c540 (\u0026sig-\u003ecred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0x64/0xa90\\n   #1: c00000004325c5d8 (\u0026sig-\u003eexec_update_lock){++++}-{3:3}, at: begin_new_exec+0x460/0xef0\\n   #2: c0000003fa99d4e0 (\u0026cpuctx_lock){-...}-{2:2}, at: perf_event_exec+0x290/0x510\\n   #3: c000000017ab8418 (\u0026ctx-\u003elock){....}-{2:2}, at: perf_event_exec+0x29c/0x510\\n  irq event stamp: 4806\\n  hardirqs last  enabled at (4805): [\u003cc000000000f65b94\u003e] _raw_spin_unlock_irqrestore+0x94/0xd0\\n  hardirqs last disabled at (4806): [\u003cc0000000003fae44\u003e] perf_event_exec+0x394/0x510\\n  softirqs last  enabled at (0): [\u003cc00000000013c404\u003e] copy_process+0xc34/0x1ff0\\n  softirqs last disabled at (0): [\u003c0000000000000000\u003e] 0x0\\n  CPU: 36 PID: 2869 Comm: perf-exec Not tainted 6.2.0-rc2-00011-g1247637727f2 #61\\n  Hardware name: 8375-42A POWER9 0x4e1202 opal:v7.0-16-g9b85f7d961 PowerNV\\n  Call Trace:\\n    dump_stack_lvl+0x98/0xe0 (unreliable)\\n    __might_resched+0x2f8/0x310\\n    __mutex_lock+0x6c/0x13f0\\n    thread_imc_event_add+0xf4/0x1b0\\n    event_sched_in+0xe0/0x210\\n    merge_sched_in+0x1f0/0x600\\n    visit_groups_merge.isra.92.constprop.166+0x2bc/0x6c0\\n    ctx_flexible_sched_in+0xcc/0x140\\n    ctx_sched_in+0x20c/0x2a0\\n    ctx_resched+0x104/0x1c0\\n    perf_event_exec+0x340/0x510\\n    begin_new_exec+0x730/0xef0\\n    load_elf_binary+0x3f8/0x1e10\\n  ...\\n  do not call blocking ops when !TASK_RUNNING; state=2001 set at [\u003c00000000fd63e7cf\u003e] do_nanosleep+0x60/0x1a0\\n  WARNING: CPU: 36 PID: 2869 at kernel/sched/core.c:9912 __might_sleep+0x9c/0xb0\\n  CPU: 36 PID: 2869 Comm: sleep Tainted: G        W          6.2.0-rc2-00011-g1247637727f2 #61\\n  Hardware name: 8375-42A POWER9 0x4e1202 opal:v7.0-16-g9b85f7d961 PowerNV\\n  NIP:  c000000000194a1c LR: c000000000194a18 CTR: c000000000a78670\\n  REGS: c00000004d2134e0 TRAP: 0700   Tainted: G        W           (6.2.0-rc2-00011-g1247637727f2)\\n  MSR:  9000000000021033 \u003cSF,HV,ME,IR,DR,RI,LE\u003e  CR: 48002824  XER: 00000000\\n  CFAR: c00000000013fb64 IRQMASK: 1\\n\\nThe above warning triggered because the current imc-pmu code uses mutex\\nlock in interrupt disabled sections. The function mutex_lock()\\ninternally calls __might_resched(), which will check if IRQs are\\ndisabled and in case IRQs are disabled, it will trigger the warning.\\n\\nFix the issue by changing the mutex lock to spinlock.\\n\\n[mpe: Fix comments, trim oops in change log, add reported-by tags]\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/424bcb570cb320d1d15238cd4c933522b90f78fa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/76d588dddc459fefa1da96e0a081a397c5c8e216\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8cbeb60320ac45a8240b561c8ef466b86c34dedc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a90d339f1f66be4a946769b565668e2bd0686dfa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d0c6d2a31026102d4738b47a610bed4401b9834f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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