7.8

CVE-2021-37576

Exploit
arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 3.10 < 4.4.277
Linux ≫ Linux Kernel Version >= 4.5 < 4.9.277
Linux ≫ Linux Kernel Version >= 4.10 < 4.14.241
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.199
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.136
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.54
Linux ≫ Linux Kernel Version >= 5.11 < 5.13.6
Fedoraproject ≫ Fedora Version33
Fedoraproject ≫ Fedora Version34
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.58% 0.428
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-787 Out-of-bounds Write

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

https://www.debian.org/security/2021/dsa-4978
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/07/27/2
Patch
Third Party Advisory
Exploit
Mailing List
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a
Patch
Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDFA7DSQIPM7XPNXJBXFWXHJFVUBCAG6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2YZ2DNURMYYVDT2NYAFDESJC35KCUDS/
https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf%40mpe.ellerman.id.au/T/#u
https://security.netapp.com/advisory/ntap-20210917-0005/
Third Party Advisory