CVE-2015-8962

Aliases:UBUNTU-CVE-2015-8962DEBIAN-CVE-2015-8962
Advisory lineage Upstream: 0 Downstream: 11
Modified
Published: 16 Nov 2016, 04:49
Last modified:06 Aug 2024, 08:36

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.3 HIGH
v2.0 (nvd)
EPSS Score
1.8% LOW
2% probability +1.48%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Nov 2016, 04:49
Published
Vulnerability first disclosed
06 Aug 2024, 08:36
Last Modified
Vulnerability information updated

Description

Double free vulnerability in the sg_common_write function in drivers/scsi/sg.c in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (memory corruption and system crash) by detaching a device during an SG_IO ioctl call.

CVSS Metrics

  • v3.1•HIGH•Score: 7.3CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
  • v3.0•HIGH•Score: 7.3CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 9.3AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 1.80%• Percentile: 77%

Techniques & Countermeasures

  • CWE-415•Double Free

    The product calls free() twice on the same memory address.

Affected Systems

  • debian•linux

    < 4.4.2-1 | < 4.4.2-1 | < 4.4.2-1 | < 4.4.2-1

  • ubuntu•linux

    < 3.13.0-125.174

  • 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-oem

    all

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    all

  • ubuntu•linux-realtime

    all | all

  • ubuntu•linux-riscv

    all | all | all

  • linux•linux_kernel

    < 3.2.85 | ≥ 3.3, < 3.10.107 | ≥ 3.12, < 3.12.70 | ≥ 3.13, < 3.16.40 | ≥ 3.17, < 3.18.54 | ≥ 3.19, < 4.4

References (10)