synced 11 MIN AGO
01 Record

CVE-2021-0707

In dma_buf_release of dma-buf.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User

UnratedPUBLISHEDCNA: google_android
CNA base scoreUnratedNo CNA CVSS vector

02 Description

In dma_buf_release of dma-buf.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.16% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 5.6% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-04-12 16:11Z4 YR AGO
Last updated
2024-08-03 15:47Z2 YR AGO
Reserved
2020-11-06
Assigning CNA
google_android
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
786f84ffb3b002aaec7f00eafeb8afbb8840b57820ca08d37bf873b020bd4503

05 Affected products

VendorProductVersionsPlatforms
n/aAndroidAndroid kernel—

06 References

07 Fixed in

Debian 12

  • linux
    Fixed in 5.10.9-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • linux
    Fixed in 5.10.9-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • linux
    Fixed in 5.10.9-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • linux-hwe-edge
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • linux-aws-5.0
    No fix yet
  • linux-aws-5.3
    No fix yet
  • linux-aws-5.4
    Fixed in 5.4.0-1039.41~18.04.1
  • linux-azure
    No fix yet
  • linux-azure-5.3
    No fix yet
  • linux-azure-5.4
    Fixed in 5.4.0-1041.43~18.04.1
  • linux-azure-edge
    No fix yet
  • linux-gcp
    No fix yet
  • linux-gcp-5.3
    No fix yet
  • linux-gcp-5.4
    Fixed in 5.4.0-1038.41~18.04.1
  • linux-gke-4.15
    No fix yet
  • linux-gke-5.4
    Fixed in 5.4.0-1037.39~18.04.1
  • linux-gkeop-5.4
    Fixed in 5.4.0-1011.12~18.04.2
  • linux-hwe
    No fix yet
  • linux-hwe-5.4
    Fixed in 5.4.0-67.75~18.04.1
  • linux-hwe-edge
    No fix yet
  • linux-oem
    No fix yet
  • linux-oracle-5.0
    No fix yet
  • linux-oracle-5.3
    No fix yet
  • linux-oracle-5.4
    Fixed in 5.4.0-1039.42~18.04.1
  • linux-raspi-5.4
    Fixed in 5.4.0-1030.33~18.04.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • linux
    Fixed in 5.4.0-67.75
  • linux-aws
    Fixed in 5.4.0-1039.41
  • linux-aws-5.11
    No fix yet
  • linux-aws-5.8
    No fix yet
  • linux-azure
    Fixed in 5.4.0-1041.43
  • linux-azure-5.11
    No fix yet
  • linux-azure-5.8
    No fix yet
  • linux-bluefield
    Fixed in 5.4.0-1011.14
  • linux-gcp
    Fixed in 5.4.0-1038.41
  • linux-gcp-5.11
    No fix yet
  • linux-gcp-5.8
    No fix yet
  • linux-gke
    Fixed in 5.4.0-1037.39
  • linux-gkeop
    Fixed in 5.4.0-1011.12
  • linux-hwe-5.11
    No fix yet
  • linux-hwe-5.8
    No fix yet
  • linux-intel-5.13
    No fix yet
  • linux-kvm
    Fixed in 5.4.0-1034.35
  • linux-oem-5.10
    No fix yet
  • linux-oem-5.13
    No fix yet
  • linux-oem-5.6
    No fix yet
  • linux-oracle
    Fixed in 5.4.0-1039.42
  • linux-oracle-5.11
    No fix yet
  • linux-oracle-5.8
    No fix yet
  • linux-raspi
    Fixed in 5.4.0-1030.33
  • linux-raspi2
    No fix yet
  • linux-riscv
    No fix yet
  • linux-riscv-5.11
    No fix yet
  • linux-riscv-5.8
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.