drm/i915/hdcp: check streams[] bounds before overflow
In the Linux kernel, the following vulnerability has been resolved: drm/i915/hdcp: check streams[] bounds before overflow The data->streams[] overflow check is done after the buffer overflow has already happened. Move the overflow check before the write. Side note, emitting a warning splat with a backtrace might be overkill here, but prefer not changing the behaviour other than not doing the overrun. Discovered using AI-assisted static analysis confirmed by Intel Product Security. (cherry picked from commit 9284ab3b6e776c315883ac2611283d263c9460fd)
CVE-2026-68253
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-68253
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9",
"lessThan": "336cf6d80d41457442b659e7ba7a7badc0ffe79d",
"versionType": "git"
},
{
"status": "affected",
"version": "e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9",
"lessThan": "389079bf04e6f0c6f10f5b879f6d7a9cf80f0567",
"versionType": "git"
},
{
"status": "affected",
"version": "e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9",
"lessThan": "84351f12390349ba010920fc247e1a0b12e41eb3",
"versionType": "git"
},
{
"status": "affected",
"version": "e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9",
"lessThan": "2106fb490b2c6003e23ad6ff36ce823a2170e138",
"versionType": "git"
},
{
"status": "affected",
"version": "e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9",
"lessThan": "3d2ef8d389495e7889c6062d8bddc46d2a5fbdef",
"versionType": "git"
},
{
"status": "affected",
"version": "e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9",
"lessThan": "984085c5b53572e2e03fd5fc4817e86ef1effc6e",
"versionType": "git"
},
{
"status": "affected",
"version": "e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9",
"lessThan": "bbb15a6b042d02e5508a02b4847e02d2579ee7bc",
"versionType": "git"
}
],
"programFiles": [
"drivers/gpu/drm/i915/display/intel_hdcp.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.12"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.12",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.15.217",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.184",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.151",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.103",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.42",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.1.6",
"versionType": "semver",
"lessThanOrEqual": "7.1.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/gpu/drm/i915/display/intel_hdcp.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-68253
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #41162 · Revision 1
- Added to Heist Feed
- Publisher date