Description
A flaw was found in the crypto subsystem of the Linux kernel before version kernel-4.15-rc4. The "null skcipher" was being dropped when each af_alg_ctx was freed instead of when the aead_tfm was freed. This can cause the null skcipher to be freed while it is still in use leading to a local user being able to crash the system or possibly escalate privileges.
Published: 2018-08-30
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2018-6526 A flaw was found in the crypto subsystem of the Linux kernel before version kernel-4.15-rc4. The "null skcipher" was being dropped when each af_alg_ctx was freed instead of when the aead_tfm was freed. This can cause the null skcipher to be freed while it is still in use leading to a local user being able to crash the system or possibly escalate privileges.
History

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Linux Linux Kernel
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-05T09:29:51.723Z

Reserved: 2018-07-27T00:00:00.000Z

Link: CVE-2018-14619

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-08-30T12:29:01.407

Modified: 2024-11-21T03:49:26.203

Link: CVE-2018-14619

cve-icon Redhat

Severity : Important

Publid Date: 2018-08-28T00:00:00Z

Links: CVE-2018-14619 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses