CVE-2021-3483 — Use After Free in Kernel
Severity
7.8HIGHNVD
OSV6.5OSV5.4
EPSS
0.2%
top 62.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 17
Latest updateFeb 27
Description
A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list, leading to a use-after-free when one of these devices is removed. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Versions before kernel 5.12-rc6 are affected
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 Packages7 packages
Also affects: Debian Linux 9.0
Patches
🔴Vulnerability Details
7OSV▶
linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.8, linux-kvm, linux-oracle, linux-raspi vulnerabilities↗2021-06-08
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
📋Vendor Advisories
7Microsoft▶
A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list leading to a use-after-free when one of these devices is removed. The↗2021-05-11
💬Community
1Bugzilla
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