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Status published
Medium
CVE-2018-14619
A flaw was found in the crypto subsystem of the...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b32a7dc8aef1882fbf983eb354837488cc9d54dc
- https://access.redhat.com/errata/RHSA-2018:2948
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0013
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14619
- http://www.securityfocus.com/bid/105200
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Affected Vendor
[UNKNOWN]
View all reports →Affected Software
kernel
Vulnerable Versions:
kernel-4.15-rc4
Timeline
Official Publish:
August 30th, 2018
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H