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01 Record

CVE-2022-27834

Use after free vulnerability in dsp_context_unload_graph function of DSP driver prior to SMR Apr-2022 Release 1 allows attackers to perform malicious actions.

LowPUBLISHEDCNA: Samsung Mobile
CNA base score2.9 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

02 Description

Use after free vulnerability in dsp_context_unload_graph function of DSP driver prior to SMR Apr-2022 Release 1 allows attackers to perform malicious actions.

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
0.09% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 0.7% of scored records. A rank, not a probability.
NVD base score
7.0 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:H/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
No Red Hat rating. Red Hat rates the CVEs that affect its products.

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
2022-04-11 19:37Z4 YR AGO
Last updated
2024-08-03 05:41Z2 YR AGO
Reserved
2022-03-24
Assigning CNA
Samsung Mobile
Record state
PUBLISHED
Severity
Low (CVSS 2.9)
CNA CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses
  • CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase
  • CWE-416Use After FreeVariant
Data version
5.1
Document digest
5852d897459e6e9cd5f2b7ab05626256c43c3e1a9299c2071ce4569766284ff3

05 Affected products

VendorProductVersionsPlatforms
Samsung MobileSamsung Mobile DevicesQ(10), R(11), S(12) devices with Exynos 2100, 9830, 980 chipsets to < SMR Apr-2022 Release 1—

06 References