CVE-2019-19048
Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 18 Nov 2019, 05:23
Last modified:05 Aug 2024, 02:09
Vulnerability Summary
Overall Risk (default)
medium
31/100 CVSS Score
7.8 HIGH
v2.0 (nvd)
EPSS Score
1.2% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
18 Nov 2019, 05:23
Published
Vulnerability first disclosed
05 Aug 2024, 02:09
Last Modified
Vulnerability information updated
Description
A memory leak in the crypto_reportstat() function in drivers/virt/vboxguest/vboxguest_utils.c in the Linux kernel before 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering copy_form_user() failures, aka CID-e0b0cb938864.
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: 1.20%• Percentile: 79%
Techniques & Countermeasures
- CWE-401•Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected Systems
- canonical•ubuntu_linux
18.04 | 19.10
- linux•linux_kernel
≥ 4.16, < 4.19.82 | ≥ 4.20, < 5.3.9