CVE-2023-20937 — Use After Free in Linux

CWE-416 — Use After FreeCWE-125 — Out-of-bounds Read7 documents6 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 78.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Debian LinuxGoogle Android
Timeline
PublishedFeb 28
Latest updateMay 3

Description

In several functions of the Android Linux kernel, 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-257443051References: Upstream kernel

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶debiandebian/linux

Patches

Patch: source.android.com ↗Patch: source.android.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-55rm-438x-9xqg: In several functions of the Android Linux kernel, there is a possible way to corrupt memory due to a use after free↗2023-02-28
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OSV
CVE-2023-20937: In several functions of the Android Linux kernel, there is a possible way to corrupt memory due to a use after free↗2023-02-28
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OSV
CVE-2023-20937: In several functions of the Android Linux kernel, there is a possible way to corrupt memory due to a use after free↗2023-02-01
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📋Vendor Advisories

3
Red Hat
bluez: OBEX library out-of-bounds read information disclosure vulnerability↗2024-05-03
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Android
CVE-2023-20937: Memory Management↗2023-02-01
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Debian
CVE-2023-20937: linux - In several functions of the Android Linux kernel, there is a possible way to cor...↗2023
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