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CVE-2017-2636

Race condition in drivers/tty/n_hdlc.c in the Linux kernel through 4.10.1 allows local users to gain privileges or cause a denial of service (double free) by setting the HDLC line discipline.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 2.6.31 < 3.2.87
Linux ≫ Linux Kernel Version >= 3.3 < 3.10.106
Linux ≫ Linux Kernel Version >= 3.11 < 3.12.72
Linux ≫ Linux Kernel Version >= 3.13 < 3.16.42
Linux ≫ Linux Kernel Version >= 3.17 < 3.18.49
Linux ≫ Linux Kernel Version >= 3.19 < 4.1.49
Linux ≫ Linux Kernel Version >= 4.2 < 4.4.54
Linux ≫ Linux Kernel Version >= 4.5 < 4.9.15
Linux ≫ Linux Kernel Version >= 4.10 < 4.10.3
Debian ≫ Debian Linux Version8.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.02% 0.593
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7 1 5.9
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 6.9 3.4 10
AV:L/AC:M/Au:N/C:C/I:C/A:C
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

CWE-415 Double Free

The product calls free() twice on the same memory address.

https://access.redhat.com/errata/RHSA-2017:0892
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0931
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0932
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0933
Third Party Advisory
http://www.debian.org/security/2017/dsa-3804
Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/03/07/6
Patch
Third Party Advisory
Mailing List
http://www.securityfocus.com/bid/96732
Third Party Advisory
VDB Entry
http://www.securitytracker.com/id/1037963
Third Party Advisory
VDB Entry
https://a13xp0p0v.github.io/2017/03/24/CVE-2017-2636.html
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0986
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1125
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1126
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1232
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1233
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1488
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1428319
Third Party Advisory
Issue Tracking
Mitigation