FKIE_CVE-2023-53859
Vulnerability from fkie_nvd - Published: 2025-12-09 16:17 - Updated: 2026-06-17 06:46
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
s390/idle: mark arch_cpu_idle() noinstr
linux-next commit ("cpuidle: tracing: Warn about !rcu_is_watching()")
adds a new warning which hits on s390's arch_cpu_idle() function:
RCU not on for: arch_cpu_idle+0x0/0x28
WARNING: CPU: 2 PID: 0 at include/linux/trace_recursion.h:162 arch_ftrace_ops_list_func+0x24c/0x258
Modules linked in:
CPU: 2 PID: 0 Comm: swapper/2 Not tainted 6.2.0-rc6-next-20230202 #4
Hardware name: IBM 8561 T01 703 (z/VM 7.3.0)
Krnl PSW : 0404d00180000000 00000000002b55c0 (arch_ftrace_ops_list_func+0x250/0x258)
R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3
Krnl GPRS: c0000000ffffbfff 0000000080000002 0000000000000026 0000000000000000
0000037ffffe3a28 0000037ffffe3a20 0000000000000000 0000000000000000
0000000000000000 0000000000f4acf6 00000000001044f0 0000037ffffe3cb0
0000000000000000 0000000000000000 00000000002b55bc 0000037ffffe3bb8
Krnl Code: 00000000002b55b0: c02000840051 larl %r2,0000000001335652
00000000002b55b6: c0e5fff512d1 brasl %r14,0000000000157b58
#00000000002b55bc: af000000 mc 0,0
>00000000002b55c0: a7f4ffe7 brc 15,00000000002b558e
00000000002b55c4: 0707 bcr 0,%r7
00000000002b55c6: 0707 bcr 0,%r7
00000000002b55c8: eb6ff0480024 stmg %r6,%r15,72(%r15)
00000000002b55ce: b90400ef lgr %r14,%r15
Call Trace:
[<00000000002b55c0>] arch_ftrace_ops_list_func+0x250/0x258
([<00000000002b55bc>] arch_ftrace_ops_list_func+0x24c/0x258)
[<0000000000f5f0fc>] ftrace_common+0x1c/0x20
[<00000000001044f6>] arch_cpu_idle+0x6/0x28
[<0000000000f4acf6>] default_idle_call+0x76/0x128
[<00000000001cc374>] do_idle+0xf4/0x1b0
[<00000000001cc6ce>] cpu_startup_entry+0x36/0x40
[<0000000000119d00>] smp_start_secondary+0x140/0x150
[<0000000000f5d2ae>] restart_int_handler+0x6e/0x90
Mark arch_cpu_idle() noinstr like all other architectures with
CONFIG_ARCH_WANTS_NO_INSTR (should) have it to fix this.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"arch/s390/kernel/idle.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "49aa49952116b8fd56bfb1e8c69bce179f49bece",
"status": "affected",
"version": "1098582a0f6c4e8fd28da0a6305f9233d02c9c1d",
"versionType": "git"
},
{
"lessThan": "611c390217106c46e24e1af3db83187339d447ea",
"status": "affected",
"version": "1098582a0f6c4e8fd28da0a6305f9233d02c9c1d",
"versionType": "git"
},
{
"lessThan": "fc60c4f12d8a056f20d8f4d0086a36c68ffa9fdc",
"status": "affected",
"version": "1098582a0f6c4e8fd28da0a6305f9233d02c9c1d",
"versionType": "git"
},
{
"lessThan": "a9cbc1b471d291c865907542394f1c483b93a811",
"status": "affected",
"version": "1098582a0f6c4e8fd28da0a6305f9233d02c9c1d",
"versionType": "git"
},
{
"status": "affected",
"version": "788621afda4101ca0fae48de424040cda78193fe",
"versionType": "git"
},
{
"lessThan": "4.20",
"status": "affected",
"version": "4.19.297",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"arch/s390/kernel/idle.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.9"
},
{
"lessThan": "5.9",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.99",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.16",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.2.*",
"status": "unaffected",
"version": "6.2.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.3",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/idle: mark arch_cpu_idle() noinstr\n\nlinux-next commit (\"cpuidle: tracing: Warn about !rcu_is_watching()\")\nadds a new warning which hits on s390\u0027s arch_cpu_idle() function:\n\nRCU not on for: arch_cpu_idle+0x0/0x28\nWARNING: CPU: 2 PID: 0 at include/linux/trace_recursion.h:162 arch_ftrace_ops_list_func+0x24c/0x258\nModules linked in:\nCPU: 2 PID: 0 Comm: swapper/2 Not tainted 6.2.0-rc6-next-20230202 #4\nHardware name: IBM 8561 T01 703 (z/VM 7.3.0)\nKrnl PSW : 0404d00180000000 00000000002b55c0 (arch_ftrace_ops_list_func+0x250/0x258)\n R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3\nKrnl GPRS: c0000000ffffbfff 0000000080000002 0000000000000026 0000000000000000\n 0000037ffffe3a28 0000037ffffe3a20 0000000000000000 0000000000000000\n 0000000000000000 0000000000f4acf6 00000000001044f0 0000037ffffe3cb0\n 0000000000000000 0000000000000000 00000000002b55bc 0000037ffffe3bb8\nKrnl Code: 00000000002b55b0: c02000840051 larl %r2,0000000001335652\n 00000000002b55b6: c0e5fff512d1 brasl %r14,0000000000157b58\n #00000000002b55bc: af000000 mc 0,0\n \u003e00000000002b55c0: a7f4ffe7 brc 15,00000000002b558e\n 00000000002b55c4: 0707 bcr 0,%r7\n 00000000002b55c6: 0707 bcr 0,%r7\n 00000000002b55c8: eb6ff0480024 stmg %r6,%r15,72(%r15)\n 00000000002b55ce: b90400ef lgr %r14,%r15\nCall Trace:\n [\u003c00000000002b55c0\u003e] arch_ftrace_ops_list_func+0x250/0x258\n([\u003c00000000002b55bc\u003e] arch_ftrace_ops_list_func+0x24c/0x258)\n [\u003c0000000000f5f0fc\u003e] ftrace_common+0x1c/0x20\n [\u003c00000000001044f6\u003e] arch_cpu_idle+0x6/0x28\n [\u003c0000000000f4acf6\u003e] default_idle_call+0x76/0x128\n [\u003c00000000001cc374\u003e] do_idle+0xf4/0x1b0\n [\u003c00000000001cc6ce\u003e] cpu_startup_entry+0x36/0x40\n [\u003c0000000000119d00\u003e] smp_start_secondary+0x140/0x150\n [\u003c0000000000f5d2ae\u003e] restart_int_handler+0x6e/0x90\n\nMark arch_cpu_idle() noinstr like all other architectures with\nCONFIG_ARCH_WANTS_NO_INSTR (should) have it to fix this."
}
],
"id": "CVE-2023-53859",
"lastModified": "2026-06-17T06:46:11.927",
"metrics": {},
"published": "2025-12-09T16:17:26.630",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/49aa49952116b8fd56bfb1e8c69bce179f49bece"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/611c390217106c46e24e1af3db83187339d447ea"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/a9cbc1b471d291c865907542394f1c483b93a811"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/fc60c4f12d8a056f20d8f4d0086a36c68ffa9fdc"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Deferred"
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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 |
|---|
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
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.
Loading…
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.