In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix ‘panel_cntl’ could be null in ‘dcn21_set_backlight_level()’
‘panel_cntl’ structure used to control the display panel could be null,
dereferencing it could lead to a null pointer access.
Fixes the below:
drivers/gpu/drm/amd/amdgpu/…/display/dc/hwss/dcn21/dcn21_hwseq.c:269 dcn21_set_backlight_level() error: we previously assumed ‘panel_cntl’ could be null (see line 250)
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c"
],
"versions": [
{
"version": "474ac4a875ca",
"lessThan": "2e150ccea131",
"status": "affected",
"versionType": "git"
},
{
"version": "474ac4a875ca",
"lessThan": "0c863cab0e91",
"status": "affected",
"versionType": "git"
},
{
"version": "474ac4a875ca",
"lessThan": "e96fddb32931",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c"
],
"versions": [
{
"version": "5.9",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.9",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.6.17",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.7.5",
"lessThanOrEqual": "6.7.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.8",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]