5.5

CVE-2017-15299

The KEYS subsystem in the Linux kernel through 4.13.7 mishandles use of add_key for a key that already exists but is uninstantiated, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted system call.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version <= 4.13.6
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.53% 0.406
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 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/3798-1/
https://usn.ubuntu.com/3798-2/
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
https://access.redhat.com/errata/RHSA-2018:0654
https://bugzilla.redhat.com/show_bug.cgi?id=1498016
Third Party Advisory
Issue Tracking
https://marc.info/?t=150654188100001&r=1&w=2
Patch
Third Party Advisory
Issue Tracking
https://marc.info/?t=150783958600011&r=1&w=2
Patch
Third Party Advisory
Issue Tracking
https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1499828.html