Ubuntu.comUB:CVE-2020-7053CVE-2020-7053
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
13.3%
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.
Bugs
Notes
| Author | Note |
|---|---|
| tyhicks | This issue only affects systems with Intel Graphics Processing Units (GPUs) |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | linux | < 4.15.0-76.86 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1058.60 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-aws-5.0 | < 5.0.0-1025.28 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-aws-hwe | < 4.15.0-1058.60~16.04.1 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-azure | < 5.0.0-1032.34 | UNKNOWN |
| ubuntu | 14.04 | noarch | linux-azure | < 4.15.0-1067.72~14.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-azure | < 4.15.0-1067.72 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-gcp | < 5.0.0-1031.32 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-gcp | < 4.15.0-1055.59 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-gke-4.15 | < 4.15.0-1052.55 | UNKNOWN |
References
launchpad.net/bugs/cve/CVE-2020-7053
nvd.nist.gov/vuln/detail/CVE-2020-7053
security-tracker.debian.org/tracker/CVE-2020-7053
ubuntu.com/security/notices/USN-4255-1
ubuntu.com/security/notices/USN-4255-2
ubuntu.com/security/notices/USN-4285-1
ubuntu.com/security/notices/USN-4287-1
ubuntu.com/security/notices/USN-4287-2
www.cve.org/CVERecord?id=CVE-2020-7053
Related
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
13.3%