vulnerability

Ubuntu: (Multiple Advisories) (CVE-2017-18075): Linux kernel vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Jan 24, 2018
Added
Apr 25, 2018
Modified
Aug 18, 2025

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.

Solutions

ubuntu-upgrade-linux-image-4-4-0-1016-awsubuntu-upgrade-linux-image-4-4-0-1020-kvmubuntu-upgrade-linux-image-4-4-0-1054-awsubuntu-upgrade-linux-image-4-4-0-1086-raspi2ubuntu-upgrade-linux-image-4-4-0-1088-snapdragonubuntu-upgrade-linux-image-4-4-0-119-genericubuntu-upgrade-linux-image-4-4-0-119-generic-lpaeubuntu-upgrade-linux-image-4-4-0-119-lowlatencyubuntu-upgrade-linux-image-4-4-0-119-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-119-powerpc-smpubuntu-upgrade-linux-image-4-4-0-119-powerpc64-embubuntu-upgrade-linux-image-4-4-0-119-powerpc64-smpubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-lts-xenialubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-e500mc-lts-xenialubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc-smp-lts-xenialubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-emb-lts-xenialubuntu-upgrade-linux-image-powerpc64-smpubuntu-upgrade-linux-image-powerpc64-smp-lts-xenialubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragon

References

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