CVE-2023-21401 — Google Android vulnerability
4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
0.1%
top 71.54%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
Latest updateDec 1
PublishedDec 4
Description
In DevmemIntChangeSparse of devicemem_server.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9