7.8

CVE-2021-41073

loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.10 < 5.10.68
Linux ≫ Linux Kernel Version >= 5.11 < 5.14.7
Debian ≫ Debian Linux Version10.0
Fedoraproject ≫ Fedora Version33
Fedoraproject ≫ Fedora Version34
Netapp ≫ Cloud Backup Version-
Netapp ≫ H410c Firmware Version-
   Netapp ≫ H410c Version-
Netapp ≫ H300s Firmware Version-
   Netapp ≫ H300s Version-
Netapp ≫ H500s Firmware Version-
   Netapp ≫ H500s Version-
Netapp ≫ H700s Firmware Version-
   Netapp ≫ H700s Version-
Netapp ≫ H300e Firmware Version-
   Netapp ≫ H300e Version-
Netapp ≫ H500e Firmware Version-
   Netapp ≫ H500e Version-
Netapp ≫ H700e Firmware Version-
   Netapp ≫ H700e Version-
Netapp ≫ H410s Firmware Version-
   Netapp ≫ H410s Version-
Netapp ≫ H410c Firmware Version-
   Netapp ≫ H410c Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.76% 0.724
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
CWE-763 Release of Invalid Pointer or Reference

The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.