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ubuntucveUbuntu.comUB:CVE-2023-52519
HistoryMar 02, 2024 - 12:00 a.m.

CVE-2023-52519

2024-03-0200:00:00
ubuntu.com
ubuntu.com
4
linux kernel
hid vulnerability
intel-ish-hid
ehl platforms
acpi gpe
pme wakeup
bios settings
out of band
unix

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%

In the Linux kernel, the following vulnerability has been resolved: HID:
intel-ish-hid: ipc: Disable and reenable ACPI GPE bit The EHL (Elkhart
Lake) based platforms provide a OOB (Out of band) service, which allows to
wakup device when the system is in S5 (Soft-Off state). This OOB service
can be enabled/disabled from BIOS settings. When enabled, the ISH device
gets PME wake capability. To enable PME wakeup, driver also needs to enable
ACPI GPE bit. On resume, BIOS will clear the wakeup bit. So driver need to
re-enable it in resume function to keep the next wakeup capability. But
this BIOS clearing of wakeup bit doesn’t decrement internal OS GPE
reference count, so this reenabling on every resume will cause reference
count to overflow. So first disable and reenable ACPI GPE bit using
acpi_disable_gpe().

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchlinux< 5.15.0-94.104UNKNOWN
ubuntu23.10noarchlinux< 6.5.0-17.17UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1053.58UNKNOWN
ubuntu23.10noarchlinux-aws< 6.5.0-1013.13UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1053.58~20.04.1UNKNOWN
ubuntu22.04noarchlinux-aws-6.5< 6.5.0-1013.13~22.04.1UNKNOWN
ubuntu22.04noarchlinux-azure< 5.15.0-1056.64UNKNOWN
ubuntu23.10noarchlinux-azure< 6.5.0-1013.13UNKNOWN
ubuntu20.04noarchlinux-azure-5.15< 5.15.0-1056.64~20.04.1UNKNOWN
ubuntu22.04noarchlinux-azure-6.5< 6.5.0-1013.13~22.04.1UNKNOWN
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6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%