CVE-2023-53583 (GCVE-0-2023-53583)
Vulnerability from cvelistv5 – Published: 2025-10-04 15:43 – Updated: 2026-05-11 19:47
VLAI
EPSS
VEX
Title
perf: RISC-V: Remove PERF_HES_STOPPED flag checking in riscv_pmu_start()
Summary
In the Linux kernel, the following vulnerability has been resolved:
perf: RISC-V: Remove PERF_HES_STOPPED flag checking in riscv_pmu_start()
Since commit 096b52fd2bb4 ("perf: RISC-V: throttle perf events") the
perf_sample_event_took() function was added to report time spent in
overflow interrupts. If the interrupt takes too long, the perf framework
will lower the sysctl_perf_event_sample_rate and max_samples_per_tick.
When hwc->interrupts is larger than max_samples_per_tick, the
hwc->interrupts will be set to MAX_INTERRUPTS, and events will be
throttled within the __perf_event_account_interrupt() function.
However, the RISC-V PMU driver doesn't call riscv_pmu_stop() to update the
PERF_HES_STOPPED flag after perf_event_overflow() in pmu_sbi_ovf_handler()
function to avoid throttling. When the perf framework unthrottled the event
in the timer interrupt handler, it triggers riscv_pmu_start() function
and causes a WARN_ON_ONCE() warning, as shown below:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 240 at drivers/perf/riscv_pmu.c:184 riscv_pmu_start+0x7c/0x8e
Modules linked in:
CPU: 0 PID: 240 Comm: ls Not tainted 6.4-rc4-g19d0788e9ef2 #1
Hardware name: SiFive (DT)
epc : riscv_pmu_start+0x7c/0x8e
ra : riscv_pmu_start+0x28/0x8e
epc : ffffffff80aef864 ra : ffffffff80aef810 sp : ffff8f80004db6f0
gp : ffffffff81c83750 tp : ffffaf80069f9bc0 t0 : ffff8f80004db6c0
t1 : 0000000000000000 t2 : 000000000000001f s0 : ffff8f80004db720
s1 : ffffaf8008ca1068 a0 : 0000ffffffffffff a1 : 0000000000000000
a2 : 0000000000000001 a3 : 0000000000000870 a4 : 0000000000000000
a5 : 0000000000000000 a6 : 0000000000000840 a7 : 0000000000000030
s2 : 0000000000000000 s3 : ffffaf8005165800 s4 : ffffaf800424da00
s5 : ffffffffffffffff s6 : ffffffff81cc7590 s7 : 0000000000000000
s8 : 0000000000000006 s9 : 0000000000000001 s10: ffffaf807efbc340
s11: ffffaf807efbbf00 t3 : ffffaf8006a16028 t4 : 00000000dbfbb796
t5 : 0000000700000000 t6 : ffffaf8005269870
status: 0000000200000100 badaddr: 0000000000000000 cause: 0000000000000003
[<ffffffff80aef864>] riscv_pmu_start+0x7c/0x8e
[<ffffffff80185b56>] perf_adjust_freq_unthr_context+0x15e/0x174
[<ffffffff80188642>] perf_event_task_tick+0x88/0x9c
[<ffffffff800626a8>] scheduler_tick+0xfe/0x27c
[<ffffffff800b5640>] update_process_times+0x9a/0xba
[<ffffffff800c5bd4>] tick_sched_handle+0x32/0x66
[<ffffffff800c5e0c>] tick_sched_timer+0x64/0xb0
[<ffffffff800b5e50>] __hrtimer_run_queues+0x156/0x2f4
[<ffffffff800b6bdc>] hrtimer_interrupt+0xe2/0x1fe
[<ffffffff80acc9e8>] riscv_timer_interrupt+0x38/0x42
[<ffffffff80090a16>] handle_percpu_devid_irq+0x90/0x1d2
[<ffffffff8008a9f4>] generic_handle_domain_irq+0x28/0x36
After referring other PMU drivers like Arm, Loongarch, Csky, and Mips,
they don't call *_pmu_stop() to update with PERF_HES_STOPPED flag
after perf_event_overflow() function nor do they add PERF_HES_STOPPED
flag checking in *_pmu_start() which don't cause this warning.
Thus, it's recommended to remove this unnecessary check in
riscv_pmu_start() function to prevent this warning.
Severity
5.5 (Medium)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
096b52fd2bb4996fd68d22b3b7ad21a1296db9d3 , < aeb62beaf9cbd0a72e7f97c9af6d3e7f76ce2946
(git)
Affected: 096b52fd2bb4996fd68d22b3b7ad21a1296db9d3 , < 8270d539a943d00cf6a094da0073e2b5972b641d (git) Affected: 096b52fd2bb4996fd68d22b3b7ad21a1296db9d3 , < 66843b14fb71825fdd73ab12f6594f2243b402be (git) |
guessed | |
| Linux | Linux |
Affected:
6.1
Unaffected: 0 , < 6.1 (semver) Unaffected: 6.1.40 , ≤ 6.1.* (semver) Unaffected: 6.4.5 , ≤ 6.4.* (semver) Unaffected: 6.5 , ≤ * (original_commit_for_fix) |
guessed |
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}
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{
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"cveId": "CVE-2023-53583",
"datePublished": "2025-10-04T15:43:59.154Z",
"dateReserved": "2025-10-04T15:40:38.477Z",
"dateUpdated": "2026-05-11T19:47:52.528Z",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf: RISC-V: Remove PERF_HES_STOPPED flag checking in riscv_pmu_start()\n\nSince commit 096b52fd2bb4 (\"perf: RISC-V: throttle perf events\") the\nperf_sample_event_took() function was added to report time spent in\noverflow interrupts. If the interrupt takes too long, the perf framework\nwill lower the sysctl_perf_event_sample_rate and max_samples_per_tick.\nWhen hwc-\u003einterrupts is larger than max_samples_per_tick, the\nhwc-\u003einterrupts will be set to MAX_INTERRUPTS, and events will be\nthrottled within the __perf_event_account_interrupt() function.\n\nHowever, the RISC-V PMU driver doesn\u0027t call riscv_pmu_stop() to update the\nPERF_HES_STOPPED flag after perf_event_overflow() in pmu_sbi_ovf_handler()\nfunction to avoid throttling. When the perf framework unthrottled the event\nin the timer interrupt handler, it triggers riscv_pmu_start() function\nand causes a WARN_ON_ONCE() warning, as shown below:\n\n ------------[ cut here ]------------\n WARNING: CPU: 0 PID: 240 at drivers/perf/riscv_pmu.c:184 riscv_pmu_start+0x7c/0x8e\n Modules linked in:\n CPU: 0 PID: 240 Comm: ls Not tainted 6.4-rc4-g19d0788e9ef2 #1\n Hardware name: SiFive (DT)\n epc : riscv_pmu_start+0x7c/0x8e\n ra : riscv_pmu_start+0x28/0x8e\n epc : ffffffff80aef864 ra : ffffffff80aef810 sp : ffff8f80004db6f0\n gp : ffffffff81c83750 tp : ffffaf80069f9bc0 t0 : ffff8f80004db6c0\n t1 : 0000000000000000 t2 : 000000000000001f s0 : ffff8f80004db720\n s1 : ffffaf8008ca1068 a0 : 0000ffffffffffff a1 : 0000000000000000\n a2 : 0000000000000001 a3 : 0000000000000870 a4 : 0000000000000000\n a5 : 0000000000000000 a6 : 0000000000000840 a7 : 0000000000000030\n s2 : 0000000000000000 s3 : ffffaf8005165800 s4 : ffffaf800424da00\n s5 : ffffffffffffffff s6 : ffffffff81cc7590 s7 : 0000000000000000\n s8 : 0000000000000006 s9 : 0000000000000001 s10: ffffaf807efbc340\n s11: ffffaf807efbbf00 t3 : ffffaf8006a16028 t4 : 00000000dbfbb796\n t5 : 0000000700000000 t6 : ffffaf8005269870\n status: 0000000200000100 badaddr: 0000000000000000 cause: 0000000000000003\n [\u003cffffffff80aef864\u003e] riscv_pmu_start+0x7c/0x8e\n [\u003cffffffff80185b56\u003e] perf_adjust_freq_unthr_context+0x15e/0x174\n [\u003cffffffff80188642\u003e] perf_event_task_tick+0x88/0x9c\n [\u003cffffffff800626a8\u003e] scheduler_tick+0xfe/0x27c\n [\u003cffffffff800b5640\u003e] update_process_times+0x9a/0xba\n [\u003cffffffff800c5bd4\u003e] tick_sched_handle+0x32/0x66\n [\u003cffffffff800c5e0c\u003e] tick_sched_timer+0x64/0xb0\n [\u003cffffffff800b5e50\u003e] __hrtimer_run_queues+0x156/0x2f4\n [\u003cffffffff800b6bdc\u003e] hrtimer_interrupt+0xe2/0x1fe\n [\u003cffffffff80acc9e8\u003e] riscv_timer_interrupt+0x38/0x42\n [\u003cffffffff80090a16\u003e] handle_percpu_devid_irq+0x90/0x1d2\n [\u003cffffffff8008a9f4\u003e] generic_handle_domain_irq+0x28/0x36\n\nAfter referring other PMU drivers like Arm, Loongarch, Csky, and Mips,\nthey don\u0027t call *_pmu_stop() to update with PERF_HES_STOPPED flag\nafter perf_event_overflow() function nor do they add PERF_HES_STOPPED\nflag checking in *_pmu_start() which don\u0027t cause this warning.\n\nThus, it\u0027s recommended to remove this unnecessary check in\nriscv_pmu_start() function to prevent this warning."
}
],
"id": "CVE-2023-53583",
"lastModified": "2026-06-17T06:45:39.267",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2025-10-04T16:15:54.090",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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],
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}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "None",
"current_release_date": "2026-06-30T10:29:10+00:00",
"cve": "CVE-2023-53583",
"id": "CVE-2023-53583",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:known_not_affected": "274",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: perf: RISC-V: Remove PERF_HES_STOPPED flag checking in riscv_pmu_start()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53583.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-13T23:46:06Z",
"cve": "CVE-2023-53583",
"id": "CVE-2023-53583",
"initial_release_date": "2025-10-07T00:48:01Z",
"product_status:known_affected": "394",
"product_status:known_not_affected": "393",
"product_status:recommended": "310",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2023-53583",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53583.json",
"version": "43"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
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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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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