CVE-2019-18814
Advisory lineage Upstream: 0 Downstream: 14
Modified
Published: 07 Nov 2019, 15:28
Last modified:05 Aug 2024, 02:02
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.8 CRITICAL
v3.1 (nvd)
EPSS Score
0.5% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
07 Nov 2019, 15:28
Published
Vulnerability first disclosed
05 Aug 2024, 02:02
Last Modified
Vulnerability information updated
Description
An issue was discovered in the Linux kernel through 5.3.9. There is a use-after-free when aa_label_parse() fails in aa_audit_rule_init() in security/apparmor/audit.c.
CVSS Metrics
- v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 0.50%• Percentile: 66%
Techniques & Countermeasures
- CWE-416•Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
Affected Systems
- linux•linux_kernel
≤ 5.3.9