High severity7.5NVD Advisory· Published Nov 18, 2019· Updated Jun 17, 2026

CVE-2019-19048

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Canonical/Ubuntu Linux2 versions
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*+ 1 more
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
Linux/Kernel2 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=4.16,<4.19.82
- (no CPE)range: <5.3.9
Linux/Linux kerneldescription

Patches

Vulnerability mechanics

References

github.com/torvalds/linux/commit/e0b0cb9388642c104838fac100a4af32745621e2nvdPatchThird Party Advisory
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9nvdRelease NotesVendor Advisory
security.netapp.com/advisory/ntap-20191205-0001/nvdThird Party Advisory
usn.ubuntu.com/4208-1/nvdThird Party Advisory
usn.ubuntu.com/4226-1/nvdThird Party Advisory

News mentions

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cvss	0.488
epss	0.003
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000