In the Linux kernel, the following vulnerability has been resolved:
ACPI: video: check for error while searching for backlight device parent
If acpi_get_parent() called in acpi_video_dev_register_backlight()
fails, for example, because acpi_ut_acquire_mutex() fails inside
acpi_get_parent), this can lead to incorrect (uninitialized)
acpi_parent handle being passed to acpi_get_pci_dev() for detecting
the parent pci device.
Check acpi_get_parent() result and set parent device only in case of success.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Vendor | Product | Version | CPE |
---|---|---|---|
linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/acpi/acpi_video.c"
],
"versions": [
{
"version": "9661e92c10a9",
"lessThan": "556f02699d33",
"status": "affected",
"versionType": "git"
},
{
"version": "9661e92c10a9",
"lessThan": "1e3a2b9b4039",
"status": "affected",
"versionType": "git"
},
{
"version": "9661e92c10a9",
"lessThan": "c4e1a0ef0b47",
"status": "affected",
"versionType": "git"
},
{
"version": "9661e92c10a9",
"lessThan": "3a370502a568",
"status": "affected",
"versionType": "git"
},
{
"version": "9661e92c10a9",
"lessThan": "2124c5bc2294",
"status": "affected",
"versionType": "git"
},
{
"version": "9661e92c10a9",
"lessThan": "39af144b6d01",
"status": "affected",
"versionType": "git"
},
{
"version": "9661e92c10a9",
"lessThan": "72884ce4e104",
"status": "affected",
"versionType": "git"
},
{
"version": "9661e92c10a9",
"lessThan": "ccd45faf4973",
"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/acpi/acpi_video.c"
],
"versions": [
{
"version": "2.6.39",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.39",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "4.19.306",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.4.268",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.10.209",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.15.148",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.1.75",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.6.14",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.7.2",
"lessThanOrEqual": "6.7.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.8",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]
git.kernel.org/stable/c/1e3a2b9b4039bb4d136dca59fb31e06465e056f3
git.kernel.org/stable/c/2124c5bc22948fc4d09a23db4a8acdccc7d21e95
git.kernel.org/stable/c/39af144b6d01d9b40f52e5d773e653957e6c379c
git.kernel.org/stable/c/3a370502a5681986f9828e43be75ce26c6ab24af
git.kernel.org/stable/c/556f02699d33c1f40b1b31bd25828ce08fa165d8
git.kernel.org/stable/c/72884ce4e10417b1233b614bf134da852df0f15f
git.kernel.org/stable/c/c4e1a0ef0b4782854c9b77a333ca912b392bed2f
git.kernel.org/stable/c/ccd45faf4973746c4f30ea41eec864e5cf191099