7.8

CVE-2020-7053: linux linux_kernel Use After Free

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2020-7053DEBIAN-CVE-2020-7053
Published 14-01-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-7053 is a high (CVSS 7.8) Use After Free vulnerability in linux linux_kernel. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 48.5% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.62%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 20 · Related 16

Timeline

  1. 14-01-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.62%

Chance of exploitation in the next 30 days

Percentile

49%

Versus all other CVEs

30-day change

0.00 pp

From 0.62% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.62%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu27 products
  • linux< 4.15.0-76.86
  • linux-aws< 4.15.0-1058.60
  • linux-aws-5.0< 5.0.0-1025.28
  • linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
  • linux-aws-hwe< 4.15.0-1058.60~16.04.1
Debian1 product
  • linux< 5.2.6-1
Linux1 product
  • linux_kernel≥ 4.14, ≤ 4.14.165 | ≥ 4.19, ≤ 4.19.96 | ≥ 5.0, ≤ 5.2

3 vendors · 29 products

References

20 links
Show all 20 references