UBUNTU-CVE-2020-7053
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.
02 / AFFECTED SOFTWARE
Affected packages
31 explicit affected versions
4 explicit affected versions
12 explicit affected versions
37 explicit affected versions
19 explicit affected versions
1 explicit affected versions
43 explicit affected versions
23 explicit affected versions
1 explicit affected versions
1 explicit affected versions
4 explicit affected versions
12 explicit affected versions
1 explicit affected versions
11 explicit affected versions
5 explicit affected versions
19 explicit affected versions
17 explicit affected versions
36 explicit affected versions
1 explicit affected versions
15 explicit affected versions
23 explicit affected versions
11 explicit affected versions
43 explicit affected versions
51 explicit affected versions
50 explicit affected versions
1 explicit affected versions
1 explicit affected versions
20 explicit affected versions
41 explicit affected versions
26 explicit affected versions
35 explicit affected versions
64 explicit affected versions
27 explicit affected versions
20 explicit affected versions
12 explicit affected versions
4 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://ubuntu.com/security/CVE-2020-7053
- https://ubuntu.com/security/notices/USN-4255-1
- https://ubuntu.com/security/notices/USN-4255-2
- https://ubuntu.com/security/notices/USN-4285-1
- https://ubuntu.com/security/notices/USN-4287-1
- https://ubuntu.com/security/notices/USN-4287-2
- https://www.cve.org/CVERecord?id=CVE-2020-7053