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7.8
CVSSv3

CVE-2017-18075

Published: 24/01/2018 Updated: 07/02/2023
CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 641
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
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Vulnerability Summary

crypto/pcrypt.c in the Linux kernel prior to 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.

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linux linux kernel

canonical ubuntu linux 14.04

canonical ubuntu linux 16.04

Vendor Advisories

Red Hat: Important: kernel-alt security, bug fix, and enhancement update
Synopsis Important: kernel-alt security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update for kernel-alt 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 S ...
Ubuntu Security Notice: linux-lts-xenial, linux-aws vulnerabilities
Several security issues were fixed in the Linux kernel ...
Ubuntu Security Notice: linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities
Several security issues were fixed in the Linux kernel ...
Red Hat: CVE-2017-18075
crypto/pcryptc in the Linux kernel, before 41413, 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 ...

References

CWE-763https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.13https://github.com/torvalds/linux/commit/d76c68109f37cb85b243a1cf0f40313afd2bae68http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d76c68109f37cb85b243a1cf0f40313afd2bae68http://www.securityfocus.com/bid/102813https://usn.ubuntu.com/3619-1/https://usn.ubuntu.com/3619-2/https://access.redhat.com/errata/RHSA-2018:2948https://access.redhat.com/errata/RHSA-2018:2948https://nvd.nist.govhttps://usn.ubuntu.com/3619-2/
CVSSv3
CVSSv2
CVSSv3
VMScore
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