Published: 18/01/2017 Updated: 12/02/2023

CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 437

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

crypto/mcryptd.c in the Linux kernel prior to 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).

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linux linux kernel

Synopsis Important: kernel security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring S ...

Several security issues were fixed in the kernel ...

A flaw was found in the Linux kernel key management subsystem in which a local attacker could crash the kernel or corrupt the stack and additional memory (denial of service) by supplying a specially crafted RSA key This flaw panics the machine during the verification of the RSA key (CVE-2016-8650) The blk_rq_map_user_iov function in block/blk-ma ...

Algorithms not compatible with mcryptd could be spawned by mcryptd with a direct crypto_alloc_tfm invocation using a "mcryptd(alg)" name construct This causes mcryptd to crash the kernel if an arbitrary "alg" is incompatible and not intended to be used with mcryptd ...

CWE-476 https://github.com/torvalds/linux/commit/48a992727d82cb7db076fa15d372178743b1f4cd https://bugzilla.redhat.com/show_bug.cgi?id=1404200 http://www.openwall.com/lists/oss-security/2017/01/17/13 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.15 http://marc.info/?l=linux-crypto-vger&m=148063683310477&w=2 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=48a992727d82cb7db076fa15d372178743b1f4cd http://www.securityfocus.com/bid/95677 https://access.redhat.com/errata/RHSA-2017:2077 https://access.redhat.com/errata/RHSA-2017:1842 https://access.redhat.com/errata/RHSA-2017:1842 https://nvd.nist.gov https://usn.ubuntu.com/3189-1/

CVE-2016-10147

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