kernel: Double free vulnerability in SCSI driver
Published Nov 16, 2016
7.3
HIGHCVSS 3.1
EPSS 1.80%
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.
Affected products
No data.
- < 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
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.80% (0.01800) | 77.70th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.80% (0.01800) | 75.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.33% (0.00330) | 53.78th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (8)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3951a3709ff50990bf3e188c27d346792103432 x_refsource_CONFIRMPatchVendor Advisory
- http://www.securityfocus.com/bid/94187 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2015-8962 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1400457 Issue Tracking
- https://github.com/torvalds/linux/commit/f3951a3709ff50990bf3e188c27d346792103432 x_refsource_CONFIRMPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8962
- https://source.android.com/security/bulletin/2016-11-01.html x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2015-8962
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3951a3709ff50990bf3e188c27d346792103432 | x_refsource_CONFIRMPatchVendor Advisory | |
| http://www.securityfocus.com/bid/94187 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2015-8962 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1400457 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/f3951a3709ff50990bf3e188c27d346792103432 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-8962 | ||
| https://source.android.com/security/bulletin/2016-11-01.html | x_refsource_CONFIRMThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2015-8962 |
Change history (0)
No recorded changes yet.