Description
crypto/pcrypt.c in the Linux kernel before 4.14.13 mishandles freeing instances, allowing a local user able to access the AF_ALG-based AEAD interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an incorrect pointer) or possibly have unspecified other impact by executing a crafted sequence of system calls.
Scores
CVSS v3
7.8
EPSS
0.0006
EPSS Percentile
19.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-763
Status
published
Products (3)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
linux/linux_kernel
4.2 - 4.4.111
Published
Jan 24, 2018
Tracked Since
Feb 18, 2026