5.5

CVE-2019-9213

Exploit
In the Linux kernel before 4.20.14, expand_downwards in mm/mmap.c lacks a check for the mmap minimum address, which makes it easier for attackers to exploit kernel NULL pointer dereferences on non-SMAP platforms. This is related to a capability check for the wrong task.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.9 < 4.9.162
Linux ≫ Linux Kernel Version >= 4.14 < 4.14.105
Linux ≫ Linux Kernel Version >= 4.19 < 4.19.27
Linux ≫ Linux Kernel Version >= 4.20 < 4.20.14
Debian ≫ Debian Linux Version 8.0
Redhat ≫ Enterprise Linux Version 7.0
Redhat ≫ Enterprise Linux Version 8.0
Opensuse ≫ Leap Version 15.0
Opensuse ≫ Leap Version 42.3
Canonical ≫ Ubuntu Linux Version 12.04
Canonical ≫ Ubuntu Linux Version 14.04 SwEdition esm
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition esm
Canonical ≫ Ubuntu Linux Version 18.10
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 5.67% 0.92
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NIST 4.9 3.9 6.9
AV:L/AC:L/Au:N/C:N/I:N/A:C
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://usn.ubuntu.com/3933-1/
Third Party Advisory
https://usn.ubuntu.com/3933-2/
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
Third Party Advisory
Mailing List
http://packetstormsecurity.com/files/156053/Reliable-Datagram-Sockets-RDS-rds_atomic_free_op-Privilege-Escalation.html
Third Party Advisory
Exploit
VDB Entry
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
Third Party Advisory
Mailing List
https://usn.ubuntu.com/3932-1/
Third Party Advisory
https://usn.ubuntu.com/3932-2/
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0831
Third Party Advisory
https://usn.ubuntu.com/3931-1/
Third Party Advisory
https://usn.ubuntu.com/3931-2/
Third Party Advisory
https://usn.ubuntu.com/3930-1/
Third Party Advisory
https://usn.ubuntu.com/3930-2/
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html
Third Party Advisory
Mailing List
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0a1d52994d440e21def1c2174932410b4f2a98a1
Patch
Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00045.html
Third Party Advisory
Mailing List
http://www.securityfocus.com/bid/107296
Third Party Advisory
VDB Entry
https://access.redhat.com/errata/RHSA-2019:1479
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1480
Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1792
Third Party Advisory
Exploit
Mailing List
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.105
Patch
Vendor Advisory
Mailing List
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.27
Patch
Vendor Advisory
Mailing List
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.14
Patch
Vendor Advisory
Mailing List
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.162
Patch
Vendor Advisory
Mailing List
https://github.com/torvalds/linux/commit/0a1d52994d440e21def1c2174932410b4f2a98a1
Patch
Vendor Advisory
Mailing List
https://www.exploit-db.com/exploits/46502/
Third Party Advisory
Exploit
VDB Entry