CVE-2015-5156

Aliases:UBUNTU-CVE-2015-5156DEBIAN-CVE-2015-5156
Advisory lineage Upstream: 0 Downstream: 18
Modified
Published: 19 Oct 2015, 10:00
Last modified:06 Aug 2024, 06:32

Vulnerability Summary

Overall Risk (default)
medium
25/100
CVSS Score
6.1 MEDIUM
v2.0 (nvd)
EPSS Score
1.16% LOW
1% probability +0.94%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

19 Oct 2015, 10:00
Published
Vulnerability first disclosed
06 Aug 2024, 06:32
Last Modified
Vulnerability information updated

Description

The virtnet_probe function in drivers/net/virtio_net.c in the Linux kernel before 4.2 attempts to support a FRAGLIST feature without proper memory allocation, which allows guest OS users to cause a denial of service (buffer overflow and memory corruption) via a crafted sequence of fragmented packets.

CVSS Metrics

  • v2.0•MEDIUM•Score: 6.1AV:A/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 1.16%• Percentile: 66%

Techniques & Countermeasures

  • CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer

    The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Affected Systems

  • debian•linux

    < 4.1.5-1 | < 4.1.5-1 | < 4.1.5-1 | < 4.1.5-1

  • ubuntu•linux

    < 3.13.0-66.108

  • ubuntu•linux-azure

    all

  • ubuntu•linux-azure-6.11

    all

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fde-5.15

    all

  • ubuntu•linux-gcp

    all

  • ubuntu•linux-gcp-6.11

    all

  • ubuntu•linux-gke

    all

  • ubuntu•linux-gkeop

    all

  • ubuntu•linux-hwe

    all

  • ubuntu•linux-hwe-6.11

    all

  • ubuntu•linux-hwe-edge

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-lowlatency-hwe-6.11

    all

  • ubuntu•linux-lts-utopic

    < 3.16.0-51.69~14.04.1

  • ubuntu•linux-lts-vivid

    < 3.19.0-31.36~14.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    all

  • ubuntu•linux-realtime

    all | all

  • ubuntu•linux-riscv

    all | all | all

  • linux•linux_kernel

    ≤ 4.1.10

References (29)