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Red Hat: CVE-2019-12382: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service (Multiple Advisories)

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Red Hat: CVE-2019-12382: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
05/28/2019
Created
04/02/2020
Added
04/01/2020
Modified
03/13/2024

Description

An issue was discovered in drm_load_edid_firmware in drivers/gpu/drm/drm_edid_load.c in the Linux kernel through 5.1.5. There is an unchecked kstrdup of fwstr, which might allow an attacker to cause a denial of service (NULL pointer dereference and system crash). NOTE: The vendor disputes this issues as not being a vulnerability because kstrdup() returning NULL is handled sufficiently and there is no chance for a NULL pointer dereference

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • 108474
  • CVE-2019-12382
  • RHSA-2019:3517
  • RHSA-2020:1016
  • RHSA-2020:1070
  • RHSA-2020:2522

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