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CVE Record

CVE-2023-53554: staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext()

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.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2023-53554 is a Linux kernel flaw in the ks7010 staging wireless driver. A user-controlled key length can exceed a 64-byte limit and may corrupt kernel memory. The source bundle does not provide CVSS, impact detail, or evidence of exploitation.

Executive priority

Track this as a kernel memory-corruption issue with uncertain severity. It is not KEV-listed in the bundle, so prioritize normal kernel patch cycles unless ks7010 is used on exposed or shared systems.

Technical view

The issue is in ks_wlan_set_encode_ext(). The exc->key_len value is a u16 supplied by the user and was not constrained against IW_ENCODING_TOKEN_MAX, which is 64. Oversized input could cause memory corruption in the ks7010 staging driver. Stable kernel commit references are provided as fixes.

Likely exposure

Exposure appears limited to Linux systems with affected kernel versions and the ks7010 staging wireless driver present or usable. Distro package status is not included in the bundle, so asset owners must map their kernel builds to vendor advisories or the listed stable commits.

Exploitation context

The bundle says the length comes from the user and could corrupt memory, but provides no exploit details. KEV is false, and no cited source in the bundle reports active exploitation. Treat exploitation status as unconfirmed, not active.

Researcher notes

The key evidence is the user-controlled u16 key length exceeding IW_ENCODING_TOKEN_MAX in ks_wlan_set_encode_ext(). The bundle lacks CVSS, CWE, proof of exploitability, and distro mapping, so avoid broad claims beyond affected kernel and driver context.

Mitigation direction

  • Apply a vendor kernel update that includes the listed stable fixes.
  • Check Linux distribution advisories for package-specific fixed versions.
  • If ks7010 is unnecessary, follow vendor guidance to prevent driver use.
  • Prioritize systems where untrusted users can reach wireless configuration paths.

Validation and detection

  • Inventory kernels and compare versions against vendor fixed packages.
  • Check whether the ks7010 staging driver is built, installed, or loadable.
  • Confirm update coverage against the referenced stable kernel commits.
  • Review endpoint exposure for users allowed to modify wireless encoding settings.
Prepared
Confidence
medium
Sources
10

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2023-53554 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
3Timeline events
0ADP providers
9Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinuxb121d84882b97b8668be0b95e9ba50cfd01aa0f1, b121d84882b97b8668be0b95e9ba50cfd01aa0f1, b121d84882b97b8668be0b95e9ba50cfd01aa0f1, b121d84882b97b8668be0b95e9ba50cfd01aa0f1, b121d84882b97b8668be0b95e9ba50cfd01aa0f1, b121d84882b97b8668be0b95e9ba50cfd01aa0f1, b121d84882b97b8668be0b95e9ba50cfd01aa0f1, b121d84882b97b8668be0b95e9ba50cfd01aa0f1unaffected
LinuxLinux4.12, 0, 4.14.322, 4.19.291, 5.4.253, 5.10.190, 5.15.124, 6.1.43, 6.4.8, 6.5affected
Weakness

CWE details

No CWE listed

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