CVE-2021-3483

kernel: use-after-free in nosy driver in nosy_ioctl() in drivers/firewire/nosy.c when a device is added twice

Published May 17, 2021 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2689-1 linux security update
Debian DLA Debian DLA DLA-2690-1 linux-4.19 security update
EUVD EUVD EUVD-2021-26805 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
Ubuntu USN Ubuntu USN USN-4948-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-4979-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4982-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4984-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5299-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5343-1 Linux kernel vulnerabilities
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