CVE-2020-25670 — Use After Free in Kernel
Severity
7.8HIGHNVD
OSV3.5
EPSS
0.2%
top 56.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 26
Latest updateMay 24
Description
A vulnerability was found in Linux Kernel where refcount leak in llcp_sock_bind() causing use-after-free which might lead to privilege escalations.
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 Packages5 packages
Also affects: Debian Linux 9.0, Fedora 32, 33, 34
Patches
🔴Vulnerability Details
7GHSA▶
GHSA-pgpg-jxv7-9vp5: A vulnerability was found in Linux Kernel where refcount leak in llcp_sock_bind() causing use-after-free which might lead to privilege escalations↗2022-05-24
OSV▶
linux, linux-aws, linux-aws-5.8, linux-azure, linux-azure-5.8, linux-gcp, linux-gcp-5.8, linux-hwe-5.8, linux-kvm, linux-oracle, linux-oracle-5.8, linux-raspi vulnerabilities↗2021-06-23
OSV▶
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.↗2021-06-08
OSV▶
CVE-2020-25670: A vulnerability was found in Linux Kernel where refcount leak in llcp_sock_bind() causing use-after-free which might lead to privilege escalations↗2021-05-26
📋Vendor Advisories
5Debian▶
CVE-2020-25670: linux - A vulnerability was found in Linux Kernel where refcount leak in llcp_sock_bind(...↗2020