CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.6 | $0-$5k | 0.00 |
A vulnerability classified as problematic has been found in Linux Kernel (Operating System) (affected version not known). This affects the function sys_sendto/sys_recvfrom
. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on integrity.
The weakness was disclosed 03/23/2015 by Petr Matousek as confirmed mailinglist post (oss-sec). The advisory is shared at seclists.org. This vulnerability is uniquely identified as CVE-2015-2686 since 03/23/2015. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 157500 (Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2017-3597)).
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.
The vulnerability is also documented in the vulnerability database at X-Force (101742). The entries 74103 and 90515 are pretty similar.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.6
VulDB Base Score: 4.0
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: git.kernel.org
Timeline
03/20/2015 🔍03/20/2015 🔍
03/23/2015 🔍
03/23/2015 🔍
03/24/2015 🔍
03/24/2015 🔍
05/02/2016 🔍
04/16/2022 🔍
Sources
Vendor: kernel.orgAdvisory: 4de930efc23b92ddf88ce91c405ee645fe6e27ea
Researcher: Petr Matousek
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-2686 (🔍)
X-Force: 101742 - Linux Kernel sys_sendto security bypass
Vulnerability Center: 49185 - Linux Kernel <=3.19 Remote Security Bypass Restrictions via the 'iov_iter_init()\x27 Function, Medium
SecurityFocus: 73286 - Linux Kernel 'iov_iter_init()' Function Security Bypass Vulnerability
See also: 🔍
Entry
Created: 03/24/2015 09:42Updated: 04/16/2022 06:40
Changes: 03/24/2015 09:42 (70), 06/23/2017 10:34 (5), 04/16/2022 06:40 (5)
Complete: 🔍
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