drm/mediatek: Fix potential NULL dereference in mtk_crtc_destroy()
In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Fix potential NULL dereference in mtk_crtc_destroy() In mtk_crtc_create(), if the call to mbox_request_channel() fails then we set the "mtk_crtc->cmdq_client.chan" pointer to NULL. In that situation, we do not call cmdq_pkt_create(). During the cleanup, we need to check if the "mtk_crtc->cmdq_client.chan" is NULL first before calling cmdq_pkt_destroy(). Calling cmdq_pkt_destroy() is unnecessary if we didn't call cmdq_pkt_create() and it will result in a NULL pointer dereference.
CVE-2024-53056
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-2024-53056
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": "7627122fd1c06800a1fe624e9fb3c269796115e8",
"lessThan": "fb05e973698f4af008c7fb6e0cfa6a2fa1d98409",
"versionType": "git"
},
{
"status": "affected",
"version": "7627122fd1c06800a1fe624e9fb3c269796115e8",
"lessThan": "c60583a87cb4a85b69d1f448f0be5eb6ec62cbb2",
"versionType": "git"
},
{
"status": "affected",
"version": "7627122fd1c06800a1fe624e9fb3c269796115e8",
"lessThan": "4018651ba5c409034149f297d3dd3328b91561fd",
"versionType": "git"
},
{
"status": "affected",
"version": "2c4396693698e876e559768d3d3a150c672ec384",
"versionType": "git"
},
{
"status": "affected",
"version": "5.15.54",
"lessThan": "5.16",
"versionType": "semver"
}
],
"programFiles": [
"drivers/gpu/drm/mediatek/mtk_crtc.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.17"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.17",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.158",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.11.7",
"versionType": "semver",
"lessThanOrEqual": "6.11.*"
},
{
"status": "unaffected",
"version": "6.12",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/gpu/drm/mediatek/mtk_crtc.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2024-53056
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #8235 · Revision 1
- Added to Heist Feed
- Publisher date