6.7

CVE-2021-31916

An out-of-bounds (OOB) memory write flaw was found in list_devices in drivers/md/dm-ioctl.c in the Multi-device driver module in the Linux kernel before 5.12. A bound check failure allows an attacker with special user (CAP_SYS_ADMIN) privilege to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.12
Redhat ≫ Enterprise Linux Version7.0
Redhat ≫ Enterprise Linux Version8.0
Debian ≫ Debian Linux Version9.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.72% 0.49
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.7 0.8 5.9
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 6.1 3.9 8.5
AV:L/AC:L/Au:N/C:P/I:P/A:C
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
Third Party Advisory
Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=1946965
Patch
Third Party Advisory
Issue Tracking
https://github.com/torvalds/linux/commit/4edbe1d7bcffcd6269f3b5eb63f710393ff2ec7a
Patch
Third Party Advisory
https://seclists.org/oss-sec/2021/q1/268
Third Party Advisory
Mailing List