CVE-2023-53554 (GCVE-0-2023-53554)
Vulnerability from cvelistv5 – Published: 2025-10-04 15:16 – Updated: 2026-08-05 09:14
VLAI
EPSS
VEX
Title
staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext()
Summary
In the Linux kernel, the following vulnerability has been resolved:
staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext()
The "exc->key_len" is a u16 that comes from the user. If it's over
IW_ENCODING_TOKEN_MAX (64) that could lead to memory corruption.
Severity
7.8 (High)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
b121d84882b97b8668be0b95e9ba50cfd01aa0f1 , < 9496fb96ddeb740dc6b966f4a7d8dfb8b93921c6
(git)
Affected: b121d84882b97b8668be0b95e9ba50cfd01aa0f1 , < 663fff29fd613e2b0d30c4138157312ba93c4939 (git) Affected: b121d84882b97b8668be0b95e9ba50cfd01aa0f1 , < 5373a1aa91b2298f9305794b8270cf9896be96b6 (git) Affected: b121d84882b97b8668be0b95e9ba50cfd01aa0f1 , < caac4b6c15b66feae4d83f602e1e46f124540202 (git) Affected: b121d84882b97b8668be0b95e9ba50cfd01aa0f1 , < baf420e30364ef9efe3e29a5c0e01e612aebf3fe (git) Affected: b121d84882b97b8668be0b95e9ba50cfd01aa0f1 , < 7ae9f55a495077f838bab466411ee6f38574df9b (git) Affected: b121d84882b97b8668be0b95e9ba50cfd01aa0f1 , < b1b04b56745bc79286c80aa876fabfab1e08ebf1 (git) Affected: b121d84882b97b8668be0b95e9ba50cfd01aa0f1 , < 5f1c7031e044cb2fba82836d55cc235e2ad619dc (git) |
guessed | |
| Linux | Linux |
Affected:
4.12
Unaffected: 0 , < 4.12 (semver) Unaffected: 4.14.322 , ≤ 4.14.* (semver) Unaffected: 4.19.291 , ≤ 4.19.* (semver) Unaffected: 5.4.253 , ≤ 5.4.* (semver) Unaffected: 5.10.190 , ≤ 5.10.* (semver) Unaffected: 5.15.124 , ≤ 5.15.* (semver) Unaffected: 6.1.43 , ≤ 6.1.* (semver) Unaffected: 6.4.8 , ≤ 6.4.* (semver) Unaffected: 6.5 , ≤ * (original_commit_for_fix) |
guessed |
{
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"programFiles": [
"drivers/staging/ks7010/ks_wlan_net.c"
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},
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},
{
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},
{
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}
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"value": "AV:L - The only entry point is the local `ioctl(SIOCSIWENCODEEXT)` wireless-extensions path on the ks7010 net_device; no remote or adjacent-network peer data reaches `ks_wlan_set_encode_ext()`. Requires a local process holding an AF_INET/AF_PACKET socket on the host.\nAC:L - Every input to the vulnerable `memcpy` \u2014 `key_len`, the key payload, `alg`, `ext_flags` and the key index \u2014 is supplied directly by the attacker in a single ioctl, with no race to win and no memory layout the attacker cannot groom beforehand. The `SLP_SLEEP` early-return guard is itself settable by the attacker through the driver\u0027s own private ioctl.\nPR:L - `wext_permission_check()` requires CAP_NET_ADMIN, but that is a delegable capability routinely held by non-root network/WiFi management daemons (the wpa_supplicant-style model on the embedded and handheld devices this SDIO driver targets), not full administrative control of the system. Choosing the higher-severity option where the boundary between a confined capability holder and true root is deployment-dependent.\nUI:N - The attacker issues the ioctl directly against an existing ks7010 interface; no victim action, no file to open, nothing to mount. The interface merely has to be present and registered.\nS:U - The overflow corrupts kernel heap adjacent to the net_device private data and stays entirely within the kernel\u0027s own security authority. There is no hypervisor, IOMMU, or sandbox boundary crossed.\nC:H - The oversized copy reads far past the 104-byte `extra` slab allocation, pulling adjacent kernel heap contents into `key-\u003ekey_val`, from where they are shipped to the device via the SME_SET_KEY request. The resulting heap corruption is also leverageable into a general kernel-memory read primitive.\nI:H - An unbounded `__u16` length turns this into an out-of-bounds write of up to ~65471 bytes past a 64-byte buffer inside `netdev_priv()`, with the leading bytes fully attacker-chosen. That is a classic controllable heap overflow suitable for overwriting adjacent objects and hijacking control flow.\nA:H - Overwriting tens of kilobytes of slab memory past `struct wpa_key` reliably destroys neighbouring allocations and slab metadata, producing an oops or panic. Any unsuccessful exploitation attempt still crashes the kernel."
}
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"redhat_vex": {
"aggregate_severity": "None",
"current_release_date": "2026-06-30T10:30:57+00:00",
"cve": "CVE-2023-53554",
"id": "CVE-2023-53554",
"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: staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53554.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-13T23:46:09Z",
"cve": "CVE-2023-53554",
"id": "CVE-2023-53554",
"initial_release_date": "2025-10-05T02:56:24Z",
"product_status:known_affected": "354",
"product_status:known_not_affected": "265",
"product_status:recommended": "506",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2023-53554",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53554.json",
"version": "50"
}
}
}
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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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