CVE-2022-20421CWE-416

CVE-2022-20421

High · published October 12, 2022

CVSS v3.1
7.8
EPSS
1%
Percentile
49.3
In the wild
Unconfirmed
What it is

In binder_inc_ref_for_node of binder.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-239630375References: Upstream kernel

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00625 · 49.3th percentile
Weakness
CWE-416 · Use After Free
Published
2022-10-12T00:15Z
Affected products (3)
ProductVersionsFixed in
google/androidall versions—
debian/debian_linuxall versions—
debian/debian_linuxall versions—
References (9)
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html · [email protected]https://source.android.com/security/bulletin/2022-10-01 · [email protected]https://www.debian.org/security/2022/dsa-5257 · [email protected]https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html · af854a3a-2127-422b-91ae-364da2661108https://source.android.com/security/bulletin/2022-10-01 · af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5257 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-770721.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-794697.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-831302.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 11 OCT 00:00Z
    In binder_inc_ref_for_node of binder.c, there is a possible way to corrupt memory due to a use after free
    cvelistv5