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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.
Metrics
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CVE Modified by Red Hat, Inc.5/14/2024 12:36:43 AM
Action
Type
Old Value
New Value
CVE Modified by Red Hat, Inc.2/12/2023 6:29:38 PM
Action
Type
Old Value
New Value
Removed
CVSS V3
Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Changed
Description
A flaw was found that can be triggered in keyring_search_iterator in keyring.c if type->match is NULL. A local user could use this flaw to crash the system or, potentially, escalate their privileges.
The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.
The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.
A flaw was found that can be triggered in keyring_search_iterator in keyring.c if type->match is NULL. A local user could use this flaw to crash the system or, potentially, escalate their privileges.
OR
*cpe:2.3:o:linux:linux_kernel:3.17.8:*:*:*:*:*:*:* (and previous)
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-476
Changed
Reference Type
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81 No Types Assigned
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81 Issue Tracking, Patch, Third Party Advisory
Changed
Reference Type
http://www.securityfocus.com/bid/97258 No Types Assigned
http://www.securityfocus.com/bid/97258 Third Party Advisory, VDB Entry
Changed
Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=1428353 No Types Assigned