CVE-2017-12193
The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.13.11 mishandles node splitting, which allows local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application,…
Does this matter?
Lower severity and a low EPSS score (0.45%). Track it; it rarely justifies an emergency change on its own.
Description
The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.13.11 mishandles node splitting, which allows local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application, as demonstrated by the keyring key type, and key addition and link creation operations.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea6789980fdaa610d7eb63602c746bf6ec70cd2bIssue Tracking, Patch
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11Issue Tracking
- http://www.securityfocus.com/bid/101678Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0151
- https://bugzilla.redhat.com/show_bug.cgi?id=1501215Issue Tracking
- https://github.com/torvalds/linux/commit/ea6789980fdaa610d7eb63602c746bf6ec70cd2bPatch, Vendor Advisory
- https://usn.ubuntu.com/3698-1/
- https://usn.ubuntu.com/3698-2/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea6789980fdaa610d7eb63602c746bf6ec70cd2bIssue Tracking, Patch
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11Issue Tracking
- http://www.securityfocus.com/bid/101678Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0151
- https://bugzilla.redhat.com/show_bug.cgi?id=1501215Issue Tracking
- https://github.com/torvalds/linux/commit/ea6789980fdaa610d7eb63602c746bf6ec70cd2bPatch, Vendor Advisory
- https://usn.ubuntu.com/3698-1/
- https://usn.ubuntu.com/3698-2/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.