CVE-2026-64315 (GCVE-0-2026-64315)
Vulnerability from cvelistv5
Published
2026-07-25 08:49
Modified
2026-08-17 04:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
crypto: caam - use print_hex_dump_devel to guard key hex dumps
Use print_hex_dump_devel() for dumping sensitive key material in
*_setkey() to avoid leaking secrets at runtime when CONFIG_DYNAMIC_DEBUG
is enabled.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 8d818c1055013d355d36188f21c7535687374f6c Version: 8d818c1055013d355d36188f21c7535687374f6c Version: 8d818c1055013d355d36188f21c7535687374f6c Version: 8d818c1055013d355d36188f21c7535687374f6c Version: 8d818c1055013d355d36188f21c7535687374f6c Version: 8d818c1055013d355d36188f21c7535687374f6c Version: 8d818c1055013d355d36188f21c7535687374f6c Version: 8d818c1055013d355d36188f21c7535687374f6c |
||
{
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"programFiles": [
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],
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"versions": [
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"status": "unaffected",
"version": "0",
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{
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"status": "unaffected",
"version": "5.10.261",
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},
{
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"status": "unaffected",
"version": "5.15.212",
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},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.178",
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},
{
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"status": "unaffected",
"version": "6.6.145",
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},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.96",
"versionType": "semver"
},
{
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"status": "unaffected",
"version": "6.18.39",
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},
{
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"status": "unaffected",
"version": "7.1.4",
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},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
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],
"negate": false,
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],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: caam - use print_hex_dump_devel to guard key hex dumps\n\nUse print_hex_dump_devel() for dumping sensitive key material in\n*_setkey() to avoid leaking secrets at runtime when CONFIG_DYNAMIC_DEBUG\nis enabled."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The exposed keys are obtained through local kernel-log interfaces such as /dev/kmsg or syslog; network consumers can cause key installation, but the secret is not returned remotely.\nAC:H - The DPAA2 CAAM implementation must be selected and its normally disabled dynamic-debug callsite must have been enabled by boot configuration or an administrator, a condition an unprivileged attacker cannot create.\nPR:L - On systems with dmesg_restrict disabled, an ordinary local user can read the global kernel log and can invoke the affected callbacks through AF_ALG without capabilities.\nUI:N - No victim action is required after the vulnerable logging configuration is active; services and protocol stacks install keys during normal operation.\nS:U - The disclosure and resulting compromise of kernel-protected cryptographic sessions remain within the host kernel\u0027s security authority.\nC:H - The dumps contain complete encryption and authentication keys, including RFC4106/RFC4543 salt material, enabling decryption of protected IPsec, SMB, or other traffic.\nI:H - Disclosed AEAD or authentication keys permit valid ciphertexts and authentication tags to be forged, enabling unauthorized modification of protected communications.\nA:H - An AF_ALG caller can trigger the unratelimited dumps continuously, potentially stalling systems using slow debug consoles, while stolen authentication keys can also sustain disruption of protected IPsec or SMB sessions."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-17T04:53:15.471Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/1ec775f6a124cce6278ae58b7d1c78a3bc6eef23"
},
{
"url": "https://git.kernel.org/stable/c/bcf3cf74dfb6981e18b22cbf561f859a0f7faa26"
},
{
"url": "https://git.kernel.org/stable/c/6407dc85d0a4306681cf6c9be7f05e05dcb67a37"
},
{
"url": "https://git.kernel.org/stable/c/c8cfe11e48b2a4646fa662fcaa92e14810a28d46"
},
{
"url": "https://git.kernel.org/stable/c/8904b425cfcafe6a820c94b9bdf4b10f7d70f9d7"
},
{
"url": "https://git.kernel.org/stable/c/d0b8cafd529b4ec759190c6081f7a76efb563a8f"
},
{
"url": "https://git.kernel.org/stable/c/59057f5d4e9a195c6dd61695ad3bc4481ddf4f14"
},
{
"url": "https://git.kernel.org/stable/c/8005dc808bcce7d6cc2ae015a3cde1683bee602d"
}
],
"title": "crypto: caam - use print_hex_dump_devel to guard key hex dumps",
"x_generator": {
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}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-64315",
"datePublished": "2026-07-25T08:49:45.787Z",
"dateReserved": "2026-07-19T15:36:31.779Z",
"dateUpdated": "2026-08-17T04:53:15.471Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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