CVE-2026-31543 (GCVE-0-2026-31543)
Vulnerability from cvelistv5 – Published: 2026-04-24 14:33 – Updated: 2026-04-24 14:33
VLAI?
Title
crash_dump: don't log dm-crypt key bytes in read_key_from_user_keying
Summary
In the Linux kernel, the following vulnerability has been resolved:
crash_dump: don't log dm-crypt key bytes in read_key_from_user_keying
When debug logging is enabled, read_key_from_user_keying() logs the first
8 bytes of the key payload and partially exposes the dm-crypt key. Stop
logging any key bytes.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 , < 4897bd307ba8757c31a3325ba6730961be606016
(git)
Affected: 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 , < ed8d91f469845d62d44c565a55d2ab1767969357 (git) Affected: 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 , < 36f46b0e36892eba08978eef7502ff3c94ddba77 (git) |
||
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"product": "Linux",
"programFiles": [
"kernel/crash_dump_dm_crypt.c"
],
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"versions": [
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"version": "6.16"
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}
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{
"url": "https://git.kernel.org/stable/c/ed8d91f469845d62d44c565a55d2ab1767969357"
},
{
"url": "https://git.kernel.org/stable/c/36f46b0e36892eba08978eef7502ff3c94ddba77"
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],
"title": "crash_dump: don\u0027t log dm-crypt key bytes in read_key_from_user_keying",
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"cveId": "CVE-2026-31543",
"datePublished": "2026-04-24T14:33:12.163Z",
"dateReserved": "2026-03-09T15:48:24.114Z",
"dateUpdated": "2026-04-24T14:33:12.163Z",
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}
}
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Sightings
| Author | Source | Type | Date |
|---|
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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