CVE-2021-20261

Published: 11/03/2021 Updated: 19/03/2021

CVSS v2 Base Score: 4.4 | Impact Score: 6.4 | Exploitability Score: 3.4

CVSS v3 Base Score: 6.4 | Impact Score: 5.9 | Exploitability Score: 0.5

VMScore: 393

Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P

A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software. The impact of this issue is lessened by the fact that the default permissions on the floppy device (/dev/fd0) are restricted to root. If the permissions on the device have changed the impact changes greatly. In the default configuration root (or equivalent) permissions are required to attack this flaw.

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linux linux kernel
linux linux kernel 4.5
redhat enterprise linux 7.0

A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software The impact of this issue is lessened by the fact that the default permissions on the floppy device (/dev/fd0) are restricted to root If the permissions on the device have changed the impact changes greatly In the default configur ...

Gday, A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software The impact of this issue is lessened by the fact that the default permissions on the floppy device (/dev/fd0) are restricted to root If the permissions on the device have changed the impact changes greatly In the default c ...

CWE-362 https://bugzilla.redhat.com/show_bug.cgi?id=1932150 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a0c80efe5956ccce9fe7ae5c78542578c07bc20a https://nvd.nist.gov http://seclists.org/oss-sec/2021/q1/204 https://access.redhat.com/security/cve/cve-2021-20261

CVE-2021-20261

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