Linux Kernel up to 4.10 block/blk-cgroup.c blkcg_init_queue double free

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linux Kernel up to 4.10 and classified as problematic. The affected element is the function blkcg_init_queue of the file block/blk-cgroup.c. Performing a manipulation results in double free. This vulnerability was named CVE-2018-7480. The attack needs to be approached locally. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 4.10 (Operating System). This affects the function blkcg_init_queue of the file block/blk-cgroup.c. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on availability. The summary by CVE is:

The blkcg_init_queue function in block/blk-cgroup.c in the Linux kernel before 4.11 allows local users to cause a denial of service (double free) or possibly have unspecified other impact by triggering a creation failure.

The bug was discovered 02/25/2018. The weakness was presented 02/25/2018 (Website). It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2018-7480 since 02/25/2018. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 109518 (Debian DSA-4188-1 : linux - security update (Spectre)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171824 (OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2018:3202-1)).

Upgrading to version 4.11 eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (109518), SecurityFocus (BID 103459†) and CERT Bund (WID-SEC-2022-0532). See VDB-110288, VDB-110784, VDB-111185 and VDB-111325 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Oracle Linux
  • Debian Linux
  • Open Source Linux Kernel
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle VM
  • NetApp FAS
  • Avaya Aura Communication Manager
  • Avaya Aura Session Manager
  • Avaya Aura Application Enablement Services
  • Avaya Aura System Manager
  • Avaya Aura Experience Portal
  • NetApp AFF

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 109518
Nessus Name: Debian DSA-4188-1 : linux - security update (Spectre)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 54612
OpenVAS Name: Debian Security Advisory DSA 4188-1 (linux - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Kernel 4.11
Patch: git.kernel.org

Timelineinfo

02/25/2018 🔍
02/25/2018 +0 days 🔍
02/25/2018 +0 days 🔍
02/25/2018 +0 days 🔍
02/26/2018 +1 days 🔍
03/05/2018 +7 days 🔍
05/01/2018 +57 days 🔍
05/02/2018 +1 days 🔍
09/14/2025 +2692 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 9b54d816e00425c3a517514e0d677bb3cec49258
Status: Confirmed

CVE: CVE-2018-7480 (🔍)
GCVE (CVE): GCVE-0-2018-7480
GCVE (VulDB): GCVE-100-113823

OVAL: 🔍

SecurityFocus: 103459 - Linux Kernel CVE-2018-1068 Local Privilege Escalation Vulnerability
CERT Bund: WID-SEC-2022-0532 - Linux Kernel: Mehrere Schwachstellen

See also: 🔍

Entryinfo

Created: 02/26/2018 15:06
Updated: 09/14/2025 05:15
Changes: 02/26/2018 15:06 (79), 01/08/2020 15:40 (4), 02/10/2023 10:53 (5), 02/10/2023 11:00 (1), 09/14/2025 05:15 (22)
Complete: 🔍
Cache ID: 216:95C:103

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