CVE-2024-50117
Nov. 8, 2024, 5:53 p.m.
Tags
CVSS Score
Products Impacted
Vendor | Product | Versions |
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linux |
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Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd: Guard against bad data for ATIF ACPI method If a BIOS provides bad data in response to an ATIF method call this causes a NULL pointer dereference in the caller. ``` ? show_regs (arch/x86/kernel/dumpstack.c:478 (discriminator 1)) ? __die (arch/x86/kernel/dumpstack.c:423 arch/x86/kernel/dumpstack.c:434) ? page_fault_oops (arch/x86/mm/fault.c:544 (discriminator 2) arch/x86/mm/fault.c:705 (discriminator 2)) ? do_user_addr_fault (arch/x86/mm/fault.c:440 (discriminator 1) arch/x86/mm/fault.c:1232 (discriminator 1)) ? acpi_ut_update_object_reference (drivers/acpi/acpica/utdelete.c:642) ? exc_page_fault (arch/x86/mm/fault.c:1542) ? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) ? amdgpu_atif_query_backlight_caps.constprop.0 (drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:387 (discriminator 2)) amdgpu ? amdgpu_atif_query_backlight_caps.constprop.0 (drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:386 (discriminator 1)) amdgpu ``` It has been encountered on at least one system, so guard for it. (cherry picked from commit c9b7c809b89f24e9372a4e7f02d64c950b07fdee)
Weaknesses
CWE-476
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
CWE ID: 476Date
Published: Nov. 5, 2024, 6:15 p.m.
Last Modified: Nov. 8, 2024, 5:53 p.m.
Status : Analyzed
CVE has been recently published to the CVE List and has been received by the NVD.
More infoSource
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CPEs
Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
---|---|---|---|---|---|---|---|---|---|---|
o | linux | linux_kernel | / | / | / | / | / | / | / | / |
o | linux | linux_kernel | / | / | / | / | / | / | / | / |
o | linux | linux_kernel | / | / | / | / | / | / | / | / |
o | linux | linux_kernel | / | / | / | / | / | / | / | / |
o | linux | linux_kernel | / | / | / | / | / | / | / | / |
o | linux | linux_kernel | / | / | / | / | / | / | / | / |
o | linux | linux_kernel | / | / | / | / | / | / | / | / |
o | linux | linux_kernel | 6.12 | rc1 | / | / | / | / | / | / |
o | linux | linux_kernel | 6.12 | rc2 | / | / | / | / | / | / |
o | linux | linux_kernel | 6.12 | rc3 | / | / | / | / | / | / |
o | linux | linux_kernel | 6.12 | rc4 | / | / | / | / | / | / |
CVSS Data
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Base Score
Exploitability Score
Impact Score
Base Severity
MEDIUMCVSS Vector String
The CVSS vector string provides an in-depth view of the vulnerability metrics.
View Vector StringCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H