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CVE-2026-68238

drm/amdgpu: Release VFCT ACPI table reference

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: Release VFCT ACPI table reference

amdgpu_acpi_vfct_bios() fetches the VFCT table with acpi_get_table()
but never releases it. acpi_get_table() takes a reference on the
table (incrementing its validation_count and mapping it on the 0->1
transition); without a paired acpi_put_table() the mapping is leaked
on every call, whether or not a matching VBIOS image is found.

Route all exit paths after the table is acquired through a common
acpi_put_table(). The VBIOS image is copied out with kmemdup() before
the table is released, so it remains valid for the caller.

(cherry picked from commit ca5988682b4cba4cd125a0fa99b2de1239164ae4)
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version d38ceaf99ed015f2a0b9af3499791bd3a3daae21
Version < 312278b3091912fa56a6a587609f17dcb33465c2
Status affected
Version d38ceaf99ed015f2a0b9af3499791bd3a3daae21
Version < 9b7de3ee5d2c5ee2a706e5f7ca0126f4fbea4da8
Status affected
Version d38ceaf99ed015f2a0b9af3499791bd3a3daae21
Version < 65bff26617607c1331283232016c0e89088c5b78
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 4.2
Status affected
Version 0
Version < 4.2
Status unaffected
Version <= 6.18.*
Version 6.18.42
Status unaffected
Version <= 7.1.*
Version 7.1.6
Status unaffected
Version <= *
Version 7.2
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.17% 0.062
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/312278b3091912fa56a6a587609f17dcb33465c2
https://git.kernel.org/stable/c/9b7de3ee5d2c5ee2a706e5f7ca0126f4fbea4da8
https://git.kernel.org/stable/c/65bff26617607c1331283232016c0e89088c5b78