CVE-2023-52791 (GCVE-0-2023-52791)
Vulnerability from cvelistv5 – Published: 2024-05-21 15:31 – Updated: 2026-05-11 19:33
VLAI
EPSS
VEX
Title
i2c: core: Run atomic i2c xfer when !preemptible
Summary
In the Linux kernel, the following vulnerability has been resolved:
i2c: core: Run atomic i2c xfer when !preemptible
Since bae1d3a05a8b, i2c transfers are non-atomic if preemption is
disabled. However, non-atomic i2c transfers require preemption (e.g. in
wait_for_completion() while waiting for the DMA).
panic() calls preempt_disable_notrace() before calling
emergency_restart(). Therefore, if an i2c device is used for the
restart, the xfer should be atomic. This avoids warnings like:
[ 12.667612] WARNING: CPU: 1 PID: 1 at kernel/rcu/tree_plugin.h:318 rcu_note_context_switch+0x33c/0x6b0
[ 12.676926] Voluntary context switch within RCU read-side critical section!
...
[ 12.742376] schedule_timeout from wait_for_completion_timeout+0x90/0x114
[ 12.749179] wait_for_completion_timeout from tegra_i2c_wait_completion+0x40/0x70
...
[ 12.994527] atomic_notifier_call_chain from machine_restart+0x34/0x58
[ 13.001050] machine_restart from panic+0x2a8/0x32c
Use !preemptible() instead, which is basically the same check as
pre-v5.2.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-17 17:36 UTC
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
bae1d3a05a8b99bd748168bbf8155a1d047c562e , < 25eb381a736e7ae39a4245ef5c96484eb1073809
(git)
Affected: bae1d3a05a8b99bd748168bbf8155a1d047c562e , < 25284c46b657f48c0f3880a2e0706c70d81182c0 (git) Affected: bae1d3a05a8b99bd748168bbf8155a1d047c562e , < f6237afabc349c1c7909db00e15d2816519e0d2b (git) Affected: bae1d3a05a8b99bd748168bbf8155a1d047c562e , < 185f3617adc8fe45e40489b458f03911f0dec46c (git) Affected: bae1d3a05a8b99bd748168bbf8155a1d047c562e , < 8c3fa52a46ff4d208cefb1a462ec94e0043a91e1 (git) Affected: bae1d3a05a8b99bd748168bbf8155a1d047c562e , < 3473cf43b9068b9dfef2f545f833f33c6a544b91 (git) Affected: bae1d3a05a8b99bd748168bbf8155a1d047c562e , < aa49c90894d06e18a1ee7c095edbd2f37c232d02 (git) |
guessed | |
| Linux | Linux |
Affected:
5.2
Unaffected: 0 , < 5.2 (semver) Unaffected: 5.4.262 , ≤ 5.4.* (semver) Unaffected: 5.10.202 , ≤ 5.10.* (semver) Unaffected: 5.15.140 , ≤ 5.15.* (semver) Unaffected: 6.1.64 , ≤ 6.1.* (semver) Unaffected: 6.5.13 , ≤ 6.5.* (semver) Unaffected: 6.6.3 , ≤ 6.6.* (semver) Unaffected: 6.7 , ≤ * (original_commit_for_fix) |
guessed |
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"published": "2024-05-21T16:15:17.777",
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Sin embargo, las transferencias i2c no at\u00f3micas requieren preferencia (por ejemplo, en wait_for_completion() mientras se espera el DMA). p\u00e1nico() llama a preempt_disable_notrace() antes de llamar a emergence_restart(). Por lo tanto, si se utiliza un dispositivo i2c para el reinicio, el xfer debe ser at\u00f3mico. Esto evita advertencias como: [12.667612] ADVERTENCIA: CPU: 1 PID: 1 en kernel/rcu/tree_plugin.h:318 rcu_note_context_switch+0x33c/0x6b0 [12.676926] \u00a1Cambio de contexto voluntario dentro de la secci\u00f3n cr\u00edtica del lado de lectura de RCU! ... [12.742376] Schedule_timeout de wait_for_completion_timeout+0x90/0x114 [12.749179] wait_for_completion_timeout de tegra_i2c_wait_completion+0x40/0x70 ... [12.994527] atomic_notifier_call_chain de machine_restart+0x34/0x58 13.001050] machine_restart desde panic+0x2a8/0x32c Utilice !preemptible( ) en su lugar, que es b\u00e1sicamente la misma verificaci\u00f3n que la versi\u00f3n anterior a la v5.2.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/i2c/i2c-core.h\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"bae1d3a05a8b99bd748168bbf8155a1d047c562e\",\"lessThan\":\"25eb381a736e7ae39a4245ef5c96484eb1073809\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"bae1d3a05a8b99bd748168bbf8155a1d047c562e\",\"lessThan\":\"25284c46b657f48c0f3880a2e0706c70d81182c0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"bae1d3a05a8b99bd748168bbf8155a1d047c562e\",\"lessThan\":\"f6237afabc349c1c7909db00e15d2816519e0d2b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"bae1d3a05a8b99bd748168bbf8155a1d047c562e\",\"lessThan\":\"185f3617adc8fe45e40489b458f03911f0dec46c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"bae1d3a05a8b99bd748168bbf8155a1d047c562e\",\"lessThan\":\"8c3fa52a46ff4d208cefb1a462ec94e0043a91e1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"bae1d3a05a8b99bd748168bbf8155a1d047c562e\",\"lessThan\":\"3473cf43b9068b9dfef2f545f833f33c6a544b91\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"bae1d3a05a8b99bd748168bbf8155a1d047c562e\",\"lessThan\":\"aa49c90894d06e18a1ee7c095edbd2f37c232d02\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/i2c/i2c-core.h\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.2\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.2\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.262\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.202\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.140\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.64\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.5.13\",\"lessThanOrEqual\":\"6.5.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.3\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.7\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-06-17T17:36:52.732311Z\",\"id\":\"CVE-2023-52791\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA 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"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-06-28T07:47:41+00:00",
"cve": "CVE-2023-52791",
"id": "CVE-2023-52791",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:fixed": "709",
"product_status:known_affected": "22",
"product_status:known_not_affected": "50",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: i2c: core: Run atomic i2c xfer when !preemptible",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-52791.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-02T01:47:54Z",
"cve": "CVE-2023-52791",
"id": "CVE-2023-52791",
"initial_release_date": "2024-05-23T15:23:52Z",
"product_status:known_affected": "342",
"product_status:known_not_affected": "164",
"product_status:recommended": "825",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2023-52791",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-52791.json",
"version": "101"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/25eb381a736e7ae39a4245ef5c96484eb1073809\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/25284c46b657f48c0f3880a2e0706c70d81182c0\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/f6237afabc349c1c7909db00e15d2816519e0d2b\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/185f3617adc8fe45e40489b458f03911f0dec46c\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/8c3fa52a46ff4d208cefb1a462ec94e0043a91e1\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/3473cf43b9068b9dfef2f545f833f33c6a544b91\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/aa49c90894d06e18a1ee7c095edbd2f37c232d02\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T23:11:35.653Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-52791\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-06-17T17:36:52.732311Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-06-17T17:36:53.693Z\"}}], \"cna\": {\"title\": \"i2c: core: Run atomic i2c xfer when !preemptible\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"bae1d3a05a8b99bd748168bbf8155a1d047c562e\", \"lessThan\": \"25eb381a736e7ae39a4245ef5c96484eb1073809\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"bae1d3a05a8b99bd748168bbf8155a1d047c562e\", \"lessThan\": \"25284c46b657f48c0f3880a2e0706c70d81182c0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"bae1d3a05a8b99bd748168bbf8155a1d047c562e\", \"lessThan\": \"f6237afabc349c1c7909db00e15d2816519e0d2b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"bae1d3a05a8b99bd748168bbf8155a1d047c562e\", \"lessThan\": \"185f3617adc8fe45e40489b458f03911f0dec46c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"bae1d3a05a8b99bd748168bbf8155a1d047c562e\", \"lessThan\": \"8c3fa52a46ff4d208cefb1a462ec94e0043a91e1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"bae1d3a05a8b99bd748168bbf8155a1d047c562e\", \"lessThan\": \"3473cf43b9068b9dfef2f545f833f33c6a544b91\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"bae1d3a05a8b99bd748168bbf8155a1d047c562e\", \"lessThan\": \"aa49c90894d06e18a1ee7c095edbd2f37c232d02\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/i2c/i2c-core.h\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.2\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.2\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.262\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.202\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.140\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.64\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.5.13\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.5.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/i2c/i2c-core.h\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/25eb381a736e7ae39a4245ef5c96484eb1073809\"}, {\"url\": \"https://git.kernel.org/stable/c/25284c46b657f48c0f3880a2e0706c70d81182c0\"}, {\"url\": \"https://git.kernel.org/stable/c/f6237afabc349c1c7909db00e15d2816519e0d2b\"}, {\"url\": \"https://git.kernel.org/stable/c/185f3617adc8fe45e40489b458f03911f0dec46c\"}, {\"url\": \"https://git.kernel.org/stable/c/8c3fa52a46ff4d208cefb1a462ec94e0043a91e1\"}, {\"url\": \"https://git.kernel.org/stable/c/3473cf43b9068b9dfef2f545f833f33c6a544b91\"}, {\"url\": \"https://git.kernel.org/stable/c/aa49c90894d06e18a1ee7c095edbd2f37c232d02\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ni2c: core: Run atomic i2c xfer when !preemptible\\n\\nSince bae1d3a05a8b, i2c transfers are non-atomic if preemption is\\ndisabled. However, non-atomic i2c transfers require preemption (e.g. in\\nwait_for_completion() while waiting for the DMA).\\n\\npanic() calls preempt_disable_notrace() before calling\\nemergency_restart(). Therefore, if an i2c device is used for the\\nrestart, the xfer should be atomic. This avoids warnings like:\\n\\n[ 12.667612] WARNING: CPU: 1 PID: 1 at kernel/rcu/tree_plugin.h:318 rcu_note_context_switch+0x33c/0x6b0\\n[ 12.676926] Voluntary context switch within RCU read-side critical section!\\n...\\n[ 12.742376] schedule_timeout from wait_for_completion_timeout+0x90/0x114\\n[ 12.749179] wait_for_completion_timeout from tegra_i2c_wait_completion+0x40/0x70\\n...\\n[ 12.994527] atomic_notifier_call_chain from machine_restart+0x34/0x58\\n[ 13.001050] machine_restart from panic+0x2a8/0x32c\\n\\nUse !preemptible() instead, which is basically the same check as\\npre-v5.2.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-12-19T08:26:03.034Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2023-52791\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-12-19T08:26:03.034Z\", \"dateReserved\": \"2024-05-21T15:19:24.241Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-21T15:31:06.997Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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 |
|---|
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.
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.
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