What’s Vulnerable › Vulnerabilities

CVE-2016-10147

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-01-18 · updated 2026-06-17
• Weakness: CWE-476

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).

Affected products

• Linux kernel: through 4.8.14

References

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

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