7.8

CVE-2020-27815

Exploit
A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version > 4.4.249
Linux ≫ Linux Kernel Version >= 4.5 < 4.9.249
Linux ≫ Linux Kernel Version >= 4.10 < 4.14.213
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.164
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.86
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.4
Debian ≫ Debian Linux Version 9.0
Debian ≫ Debian Linux Version 10.0
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 -
Netapp ≫ Aff A250 Firmware Version -
   Netapp ≫ Aff A250 Version -
Netapp ≫ Fas500f Firmware Version -
   Netapp ≫ Fas500f Version -
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.79% 0.517
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 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
NIST 6.1 3.9 8.5
AV:L/AC:L/Au:N/C:P/I:P/A:C
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

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/2021/03/msg00010.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html
Third Party Advisory
Mailing List
https://www.debian.org/security/2021/dsa-4843
Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/11/30/5
Third Party Advisory
Exploit
Mailing List
http://www.openwall.com/lists/oss-security/2020/12/28/1
Patch
Third Party Advisory
Exploit
Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2C
Issue Tracking
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c61b3e4839007668360ed8b87d7da96d2e59fc6c
Patch
Vendor Advisory
https://security.netapp.com/advisory/ntap-20210702-0004/
Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/11/30/5%2C
Mailing List
https://www.openwall.com/lists/oss-security/2020/12/28/1%2C
Mailing List