CVE-2019-19048

HIGH7.5

A memory leak in the crypto_reportstat() function in drivers/virt/vboxguest/vboxguest_utils

Published Nov 18, 2019

Modified 1 years ago

Details

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.

References

WEBhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9 WEBhttps://github.com/torvalds/linux/commit/e0b0cb9388642c104838fac100a4af32745621e2 WEBhttps://security.netapp.com/advisory/ntap-20191205-0001/ADVISORYhttps://usn.ubuntu.com/4208-1/ADVISORYhttps://usn.ubuntu.com/4226-1/ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2019-19048

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Ecosystems

Timeline

PublishedNov 18, 2019

ModifiedAug 5, 2024