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Red Hat: CVE-2020-7053: CVE-2020-7053 kernel: use-after-free in i915_ppgtt_close in drivers/gpu/drm/i915/i915_gem_gtt.c (Multiple Advisories)

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Red Hat: CVE-2020-7053: CVE-2020-7053 kernel: use-after-free in i915_ppgtt_close in drivers/gpu/drm/i915/i915_gem_gtt.c (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
01/14/2020
Created
06/05/2020
Added
06/05/2020
Modified
03/13/2024

Description

In the Linux kernel 4.14 longterm through 4.14.165 and 4.19 longterm through 4.19.96 (and 5.x before 5.2), there is a use-after-free (write) in the i915_ppgtt_close function in drivers/gpu/drm/i915/i915_gem_gtt.c, aka CID-7dc40713618c. This is related to i915_gem_context_destroy_ioctl in drivers/gpu/drm/i915/i915_gem_context.c.

Solution(s)

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

References

  • CVE-2020-7053
  • RHSA-2020:1567
  • RHSA-2020:1769
  • RHSA-2021:0856
  • RHSA-2021:0857

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