CVE-2017-15299
Published: October 14, 2017Last modified: April 24, 2024
Description
The KEYS subsystem in the Linux kernel through 4.13.7 mishandles use of add_key for a key that already exists but is uninstantiated, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted system call.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | Stream | linux-lts | Not affected (6.1.33-r0) |
References
- https://access.redhat.com/errata/RHSA-2018:0654
- https://bugzilla.redhat.com/show_bug.cgi?id=1498016
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://marc.info/?t=150654188100001&r=1&w=2
- https://marc.info/?t=150783958600011&r=1&w=2
- https://usn.ubuntu.com/3798-1/
- https://usn.ubuntu.com/3798-2/
- https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1499828.html