5.5

CVE-2015-8970

crypto/algif_skcipher.c in the Linux kernel before 4.4.2 does not verify that a setkey operation has been performed on an AF_ALG socket before an accept system call is processed, which allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted application that does not supply a key, related to the lrw_crypt function in crypto/lrw.c.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
LinuxLinux Kernel Version <= 4.4.1
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.5% 0.393
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://access.redhat.com/errata/RHSA-2017:1842
https://access.redhat.com/errata/RHSA-2017:2077
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dd504589577d8e8e70f51f997ad487a4cb6c026f
Patch
Vendor Advisory
Issue Tracking
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.2
Release Notes
http://www.openwall.com/lists/oss-security/2016/11/04/3
Third Party Advisory
Mailing List
http://www.securityfocus.com/bid/94217
Third Party Advisory
VDB Entry
https://access.redhat.com/errata/RHSA-2017:2437
https://access.redhat.com/errata/RHSA-2017:2444
https://bugzilla.redhat.com/show_bug.cgi?id=1386286
Issue Tracking
https://github.com/torvalds/linux/commit/dd504589577d8e8e70f51f997ad487a4cb6c026f
Patch
Third Party Advisory
Issue Tracking
https://groups.google.com/forum/#%21msg/syzkaller/frb2XrB5aWk/xCXzkIBcDAAJ