Local User Privilege Escalation Vulnerability in Linux Kernel Cryptographic Subsystem
CVE-2018-14619

6.2MEDIUM

Key Information:

Vendor

[unknown]

Status
Kernel
Vendor
CVE Published:
30 August 2018

What is CVE-2018-14619?

A vulnerability exists in the cryptographic subsystem of the Linux kernel prior to version 4.15-rc4, where the 'null skcipher' is incorrectly managed during the freeing of af_alg_ctx instances. This flaw may allow a local user to crash the system or potentially escalate their privileges due to improper handling of the cryptographic context.

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Affected Version(s)

kernel kernel-4.15-rc4

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/...
x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2018:2948
vendor-advisoryx_refsource_REDHAT
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-201...
x_refsource_CONFIRM

CVSS V3.1

Score:
6.2
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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