NULL Pointer Dereference Affecting kernel-uek-debug-core package, versions <0:5.15.0-303.171.5.2.el8uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELUEKDEBUGCORE-8539217
  • published20 Dec 2024
  • disclosed5 Nov 2024

Introduced: 5 Nov 2024

CVE-2024-50117  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-uek-debug-core to version 0:5.15.0-303.171.5.2.el8uek or higher.
This issue was patched in ELSA-2024-12887.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug-core package and not the kernel-uek-debug-core package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

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)

CVSS Scores

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