CVE-2017-15299
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…
Does this matter?
Lower severity and a low EPSS score (0.53%). Track it; it rarely justifies an emergency change on its own.
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.
- 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
- 0.53% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- https://access.redhat.com/errata/RHSA-2018:0654
- https://bugzilla.redhat.com/show_bug.cgi?id=1498016Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://marc.info/?t=150654188100001&r=1&w=2Issue Tracking, Patch, Third Party Advisory
- https://marc.info/?t=150783958600011&r=1&w=2Issue Tracking, Patch, Third Party Advisory
- https://usn.ubuntu.com/3798-1/
- https://usn.ubuntu.com/3798-2/
- https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1499828.html
- https://access.redhat.com/errata/RHSA-2018:0654
- https://bugzilla.redhat.com/show_bug.cgi?id=1498016Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://marc.info/?t=150654188100001&r=1&w=2Issue Tracking, Patch, Third Party Advisory
- https://marc.info/?t=150783958600011&r=1&w=2Issue Tracking, Patch, Third Party Advisory
- https://usn.ubuntu.com/3798-1/
- https://usn.ubuntu.com/3798-2/
- https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1499828.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.