CVE-2015-7550

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.41% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 35.1% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-02-08 02:00Z10 YR AGO

Last updated

2024-08-06 07:51Z2 YR AGO

Reserved

2015-09-29

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

e3c2d38fc8429c7b3c752ef38a9d8ec709385252196bcfb2350e4f95dfb52bf5

• www.securityfocus.com79903http://www.securityfocus.com/bid/79903vdb-entryx_refsource_BID
• www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.4x_refsource_CONFIRM
• www.ubuntu.comUSN-2911-1http://www.ubuntu.com/usn/USN-2911-1vendor-advisoryx_refsource_UBUNTU
• www.ubuntu.comUSN-2890-3http://www.ubuntu.com/usn/USN-2890-3vendor-advisoryx_refsource_UBUNTU
• lists.opensuse.orgSUSE-SU-2016:1102http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.htmlvendor-advisoryx_refsource_SUSE
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1291197x_refsource_CONFIRM
• github.comhttps://github.com/torvalds/linux/commit/b4a1b4f5047e4f54e194681125c74c0aa64d637dx_refsource_CONFIRM
• www.ubuntu.comUSN-2911-2http://www.ubuntu.com/usn/USN-2911-2vendor-advisoryx_refsource_UBUNTU
• lists.opensuse.orgSUSE-SU-2016:2074http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.htmlvendor-advisoryx_refsource_SUSE
• www.ubuntu.comUSN-2890-2http://www.ubuntu.com/usn/USN-2890-2vendor-advisoryx_refsource_UBUNTU
• security-tracker.debian.orghttps://security-tracker.debian.org/tracker/CVE-2015-7550x_refsource_CONFIRM
• git.kernel.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b4a1b4f5047e4f54e194681125c74c0aa64d637dx_refsource_CONFIRM
• www.ubuntu.comUSN-2890-1http://www.ubuntu.com/usn/USN-2890-1vendor-advisoryx_refsource_UBUNTU
• www.debian.orgDSA-3434http://www.debian.org/security/2016/dsa-3434vendor-advisoryx_refsource_DEBIAN
• www.ubuntu.comUSN-2888-1http://www.ubuntu.com/usn/USN-2888-1vendor-advisoryx_refsource_UBUNTU
• lists.opensuse.orgSUSE-SU-2016:0911http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.htmlvendor-advisoryx_refsource_SUSE