NULL pointer dereference in Linux Linux_kernel
CVE-2019-20054
In the Linux kernel before 5.0.6, there is a NULL pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c, related to put_links, aka CID-23da9588037e.
EPSS: 0.005 (37.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, Broken Link, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2019-20054?
- CVE-2019-20054 is a medium-severity vulnerability in Linux Linux_kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2019-12-28.
- How severe is CVE-2019-20054?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2019-20054 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.