CVE-2016-5244
No known exploitation. EPSS puts it in the 93rd percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
The rds_inc_info_copy function in net/rds/recv.c in the Linux kernel through 4.6.3 does not initialize a certain structure member, which allows remote attackers to obtain sensitive information from kernel stack memory by reading an RDS message.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
5.5% chance of exploitation activity in the next 30 days, which ranks it in the 93rd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 3650 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- linux enterprise real time extensionOperating Systems / rtos-embedded-os
- linux enterprise debuginfoOperating Systems / linux-distro
- linux enterprise serverOperating Systems / linux-distro
- suse linux enterprise software development kitOperating Systems / linux-distro
- linux enterprise workstation extensionOperating Systems / linux-distro
- linux enterprise desktopOperating Systems / linux-distro
- opensuse leapOperating Systems / linux-distro
- suse linux enterprise serverOperating Systems / linux-distro
And 1 more affected product. See all after sign-in
Technical detail
CVSS 3.0 vector
Open in the CVSS calculatorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Scored 7.5 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- github.com/torvalds/linux/commit/4116def2337991b39919f3b448326e21c40e0dbb
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
- ubuntu.com/usn/USN-3070-1
And 21 more references. See all after sign-in
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