5.5

CVE-2021-46920

dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback

In the Linux kernel, the following vulnerability has been resolved:

dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback

Current code blindly writes over the SWERR and the OVERFLOW bits. Write
back the bits actually read instead so the driver avoids clobbering the
OVERFLOW bit that comes after the register is read.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
LinuxLinux Kernel Version >= 5.6.0 < 5.10.32
LinuxLinux Kernel Version >= 5.11.0 < 5.11.16
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.22% 0.12
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
134c704f-9b21-4f2e-91b3-4a467353bcc0 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/02981a44a0e402089775416371bd2e0c935685f8
Patch
https://git.kernel.org/stable/c/a5ad12d5d69c63af289a37f05187a0c6fe93553d
Patch
https://git.kernel.org/stable/c/ea941ac294d75d0ace50797aebf0056f6f8f7a7f
Patch