In imgsys_cmdq, there is a possible use after free due to a missing valid range checking.

published 2023-09-04 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25028

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 1%
public exploits: 0; none known

In imgsys_cmdq, there is a possible use after free due to a missing valid range checking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS07340433; Issue ID: ALPS07340350.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-10-01)

Exploit prediction

0.11% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	6.5	CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	6.5	CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Affected products

MediaTek, Inc. MT2713, MT6895, MT6897, MT6983, MT8188, MT8195, MT8395, MT8781
linuxfoundation yocto
mediatek iot_yocto
google android
linux linux_kernel

Classification

Weakness

CWE-416 Use After Free

Technology feeds

Linux kernel rss critical rss

References

corp.mediatek.com /product-security-bulletin/September-2023
vendor-advisory

Sources

CVE List CVE-2023-20849
NVD CVE-2023-20849

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary