CVE-2019-18680
Advisory lineage Upstream: 0 Downstream: 5
Modified
Published: 04 Nov 2019, 14:13
Last modified:05 Aug 2024, 02:02
Vulnerability Summary
Overall Risk (default)
medium
42/100 CVSS Score
7.8 HIGH
v2.0 (nvd)
EPSS Score
1.7% LOW
2% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected
Timeline
04 Nov 2019, 14:13
Published
Vulnerability first disclosed
05 Aug 2024, 02:02
Last Modified
Vulnerability information updated
Description
An issue was discovered in the Linux kernel 4.4.x before 4.4.195. There is a NULL pointer dereference in rds_tcp_kill_sock() in net/rds/tcp.c that will cause denial of service, aka CID-91573ae4aed0.
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- v2.0•HIGH•Score: 7.8AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 1.70%• Percentile: 83%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- linux•linux_kernel
≥ 4.4.179, < 4.4.195
References (5)
- https://lkml.org/lkml/2019/9/18/337
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.195
- https://github.com/torvalds/linux/commit/91573ae4aed0a49660abdad4d42f2a0db995ee5e
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=91573ae4aed0a49660abdad4d42f2a0db995ee5e
- https://security.netapp.com/advisory/ntap-20191205-0001/