crypto/mcryptd.c in the Linux kernel before 4.8.15 allows local users...
Vulnerability Description
crypto/mcryptd.c in the Linux kernel before 4.8.15 allows local users to cause a denial of service (NULL pointer dereference and system crash) by using an AF_ALG socket with an incompatible algorithm, as demonstrated by mcryptd(md5).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=48a992727d82cb7db076fa15d372178743b1f4cd
- https://github.com/torvalds/linux/commit/48a992727d82cb7db076fa15d372178743b1f4cd
- http://marc.info/?l=linux-crypto-vger&m=148063683310477&w=2
- http://www.openwall.com/lists/oss-security/2017/01/17/13
- http://www.securityfocus.com/bid/95677
- https://bugzilla.redhat.com/show_bug.cgi?id=1404200
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.15
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:1842
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.