CVE-2024-27373
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedAn issue was discovered in Samsung Mobile Processor Exynos 980, Exynos 850, Exynos 1280, Exynos 1380, and Exynos 1330. In the function slsi_nan_config_get_nl_params(), there is no input validation check on disc_attr->mesh_id_len coming from userspace, which can lead to a heap overwrite.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceMissing input validation on the mesh_id_len parameter in the slsi_nan_config_get_nl_params() function allows userspace to supply an arbitrarily large length value, leading to heap buffer overflow. This affects Samsung's NAN (Neighbor Awareness Networking) driver in Exynos mobile processors.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE dataall versionsall versionsall versionsall versionsall versionsCVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the Exynos chipset modelCheck device specifications or system information to determine the exact Exynos processor model. On Android devices, this may be visible in Settings > About Phone > SoC details, or via terminal commands like 'cat /proc/cpuinfo' to view processor informationAffected if The device uses an Exynos 980, 850, 1280, 1380, or 1330 processor (all firmware versions of these models are affected)
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Verify NAN feature is enabledCheck if Neighbor Awareness Networking (NAN) is actively configured or has been used. This may be observable in wireless network settings, or via system logs indicating NAN interface creation (typically 'wlanNAN' or similar interface names)Affected if NAN functionality is enabled or has been used on the device - the vulnerability triggers when userspace supplies a mesh_id_len parameter to the slsi_nan_config_get_nl_params() function
The device is affected if it contains an affected Exynos chipset (980, 850, 1280, 1380, or 1330) and has NAN feature enabled, without having received a vendor firmware/security patch addressing CVE-2024-27373
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply vendor firmware/security updates from Samsung for affected devices. There are no practical end-user workarounds; this vulnerability requires a kernel/driver patch from the device manufacturer.
- Consultation4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-27373 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2024-27373 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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