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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.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: It is possible that the NVD CVSS may not match that of the CNA. The most common reason for this is that publicly available information does not provide sufficient detail or that information simply was not available at the time the CVSS vector string was assigned.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
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OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.15
*cpe:2.3:o:linux:linux_kernel:4.15:rc1:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:4.15:rc2:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:4.15:rc3:*:*:*:*:*:*
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.14 up to (excluding) 4.14.8
*cpe:2.3:o:linux:linux_kernel:4.15:rc1:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:4.15:rc2:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:4.15:rc3:*:*:*:*:*:*
Removed
CVSS V3
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added
CVSS V3.1
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE Modified by Red Hat, Inc.10/09/2019 7:35:02 PM
Action
Type
Old Value
New Value
Added
CVSS V3
Red Hat, Inc. AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added
CWE
Red Hat, Inc. CWE-416
Initial Analysis by NIST10/31/2018 12:41:26 PM
Action
Type
Old Value
New Value
Added
CPE Configuration
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.15
*cpe:2.3:o:linux:linux_kernel:4.15:rc1:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:4.15:rc2:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:4.15:rc3:*:*:*:*:*:*
Added
CVSS V2
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Added
CVSS V3
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added
CWE
CWE-20
Changed
Reference Type
http://www.securityfocus.com/bid/105200 No Types Assigned
http://www.securityfocus.com/bid/105200 Third Party Advisory, VDB Entry
Changed
Reference Type
https://access.redhat.com/errata/RHSA-2018:2948 No Types Assigned
https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory
Changed
Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14619 No Types Assigned
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14619 Issue Tracking, Third Party Advisory
Changed
Reference Type
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b32a7dc8aef1882fbf983eb354837488cc9d54dc No Types Assigned