CVE-2024-27410 (GCVE-0-2024-27410)
Vulnerability from cvelistv5 – Published: 2024-05-17 11:50 – Updated: 2026-08-05 11:29
VLAI
EPSS
VEX
Title
wifi: nl80211: reject iftype change with mesh ID change
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: nl80211: reject iftype change with mesh ID change
It's currently possible to change the mesh ID when the
interface isn't yet in mesh mode, at the same time as
changing it into mesh mode. This leads to an overwrite
of data in the wdev->u union for the interface type it
currently has, causing cfg80211_change_iface() to do
wrong things when switching.
We could probably allow setting an interface to mesh
while setting the mesh ID at the same time by doing a
different order of operations here, but realistically
there's no userspace that's going to do this, so just
disallow changes in iftype when setting mesh ID.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-17 17:39 UTC
Assigner
References
10 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 , < 930e826962d9f01dcd2220176134427358d112f2
(git)
Affected: 7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 , < 177d574be4b58f832354ab1ef5a297aa0c9aa2df (git) Affected: 7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 , < a2add961a5ed25cfd6a74f9ffb9e7ab6d6ded838 (git) Affected: 7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 , < f78c1375339a291cba492a70eaf12ec501d28a8e (git) Affected: 7a53ad13c09150076b7ddde96c2dfc5622c90b45 (git) Affected: 5.19.2 , < 5.20 (semver) |
guessed | |
| Linux | Linux |
Affected:
6.0
Unaffected: 0 , < 6.0 (semver) Unaffected: 6.1.81 , ≤ 6.1.* (semver) Unaffected: 6.6.21 , ≤ 6.6.* (semver) Unaffected: 6.7.9 , ≤ 6.7.* (semver) Unaffected: 6.8 , ≤ * (original_commit_for_fix) |
guessed |
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This leads to an overwrite\\nof data in the wdev-\u003eu union for the interface type it\\ncurrently has, causing cfg80211_change_iface() to do\\nwrong things when switching.\\n\\nWe could probably allow setting an interface to mesh\\nwhile setting the mesh ID at the same time by doing a\\ndifferent order of operations here, but realistically\\nthere\u0027s no userspace that\u0027s going to do this, so just\\ndisallow changes in iftype when setting mesh ID.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: wifi: nl80211: rechazar cambio de tipo con cambio de ID de malla Actualmente es posible cambiar el ID de malla cuando la interfaz a\u00fan no est\u00e1 en modo malla, al mismo tiempo que se cambia a modo malla. Esto lleva a una sobrescritura de datos en la uni\u00f3n wdev-\u0026gt;u para el tipo de interfaz que tiene actualmente, causando que cfg80211_change_iface() haga cosas incorrectas al cambiar. 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Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-08-04T19:07:57+00:00",
"cve": "CVE-2024-27410",
"id": "CVE-2024-27410",
"initial_release_date": "2024-05-17T00:00:00+00:00",
"product_status:fixed": "709",
"product_status:known_affected": "64",
"product_status:known_not_affected": "16",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: wifi: nl80211: reject iftype change with mesh ID change",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-27410.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-02T12:39:16Z",
"cve": "CVE-2024-27410",
"id": "CVE-2024-27410",
"initial_release_date": "2024-05-18T02:46:11Z",
"product_status:known_affected": "481",
"product_status:recommended": "774",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2024-27410",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-27410.json",
"version": "122"
},
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The weaponizing steps (`SIOCGIWESSID`, `NL80211_CMD_GET_INTERFACE`) require no privileges at all.\\nUI:N - The attacker performs every step \\u2014 creating/selecting the interface, setting it to ADHOC while down, sending the malformed SET_INTERFACE, and issuing the read. No victim action is required.\\nS:U - The type-confused write and the resulting heap overflow stay within the kernel\u0027s own security authority; no VM, IOMMU, or sandbox boundary is crossed.\\nC:H - The corrupted `ibss.ssid_len` (up to 255) causes up to ~223 bytes past the 32-byte SSID buffer to be copied to userspace via `NL80211_ATTR_SSID` and via the `SIOCGIWESSID` `copy_to_user()` from a 32-byte slab object, disclosing adjacent kernel memory including `wdev-\u003elinks[]` heap pointers \\u2014 well beyond a \\\"few bytes\\\" bounded read.\\nI:H - `cfg80211_ibss_wext_giwessid()` performs an unchecked `memcpy` of up to 255 bytes into the 32-byte `kzalloc` buffer allocated by `ioctl_standard_iw_point()`, giving an out-of-bounds slab write of up to 223 bytes with partially attacker-influenced content \\u2014 a classic heap-corruption primitive.\\nA:H - The out-of-bounds write smashes adjacent kmalloc-32 objects, producing KASAN BUG reports, slab corruption and kernel panics; on mesh-capable wiphys the same bug additionally triggers a `WARN_ONCE` in `check_sdata_in_driver()` via a spurious `drv_leave_ibss()` on a down interface, which panics under `panic_on_warn`.\"}]}], \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"7b0a0e3c3a88260b6fcb017e49f198463aa62ed1\", \"lessThan\": \"930e826962d9f01dcd2220176134427358d112f2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7b0a0e3c3a88260b6fcb017e49f198463aa62ed1\", \"lessThan\": \"177d574be4b58f832354ab1ef5a297aa0c9aa2df\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7b0a0e3c3a88260b6fcb017e49f198463aa62ed1\", \"lessThan\": \"a2add961a5ed25cfd6a74f9ffb9e7ab6d6ded838\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7b0a0e3c3a88260b6fcb017e49f198463aa62ed1\", \"lessThan\": \"f78c1375339a291cba492a70eaf12ec501d28a8e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7a53ad13c09150076b7ddde96c2dfc5622c90b45\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5.19.2\", \"lessThan\": \"5.20\", \"versionType\": \"semver\"}], \"programFiles\": [\"net/wireless/nl80211.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.0\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.0\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.81\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.21\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7.9\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/wireless/nl80211.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/930e826962d9f01dcd2220176134427358d112f2\"}, {\"url\": \"https://git.kernel.org/stable/c/177d574be4b58f832354ab1ef5a297aa0c9aa2df\"}, {\"url\": \"https://git.kernel.org/stable/c/a2add961a5ed25cfd6a74f9ffb9e7ab6d6ded838\"}, {\"url\": \"https://git.kernel.org/stable/c/f78c1375339a291cba492a70eaf12ec501d28a8e\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: nl80211: reject iftype change with mesh ID change\\n\\nIt\u0027s currently possible to change the mesh ID when the\\ninterface isn\u0027t yet in mesh mode, at the same time as\\nchanging it into mesh mode. 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"dataType": "CVE_RECORD",
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}
}
}
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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.
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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