9.3

CVE-2015-8962: linux linux_kernel Double Free

Modified
AliasesUBUNTU-CVE-2015-8962DEBIAN-CVE-2015-8962
Published 16-11-2016Last modified 06-08-2024

Vulnerability summary

CVE-2015-8962 is a high (CVSS 9.3) Double Free vulnerability in linux linux_kernel. EPSS estimates a 1.80% chance of exploitation in the next 30 days, higher than 78.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.3, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
1.80%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 8
DLA-772-1SUSE-SU-2017:0333-1SUSE-SU-2017:0407-1SUSE-SU-2017:0437-1SUSE-SU-2017:0464-1SUSE-SU-2017:0471-1

Timeline

  1. 16-11-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability 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

5 scores · 3 sources · 3 versions

EPSS trend

Probability

1.80%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.80% on 05-10-2026

05-10-202604-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu19 products
  • linux< 3.13.0-125.174
  • linux-azureAll versions (No fix recorded)
  • linux-azure-6.11All versions (No fix recorded)
  • linux-azure-fdeAll versions (No fix recorded)
  • linux-azure-fde-5.15All versions (No fix recorded)
Debian1 product
  • linux< 4.4.2-1
Linux1 product
  • 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

3 vendors · 21 products

References

10 links