CVE-2016-4951
HIGH
7.8
CVSS Score
Published: May 23, 2016 at 10:00 AM UTC
Updated: June 17, 2026 at 12:48 AM UTC
3 products affected across 3 vendorsLinux KernelUbuntu LinuxLinux
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Severity
HIGH7.8
Exploit prediction
EPSS 0.5%
Description
The tipc_nl_publ_dump function in net/tipc/socket.c in the Linux kernel through 4.6 does not verify socket existence, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a dumpit operation.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%3.19 ≤ v < 4.1.284.2 ≤ v < 4.4.144.5 ≤ v < 4.6.3
Affected range stops below 4.1.28, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.6.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45e093ae2830cd1264677d47ff9a95a71f5d9f9c
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
- http://lists.openwall.net/netdev/2016/05/14/28
- http://www.ubuntu.com/usn/USN-3016-1
- http://www.ubuntu.com/usn/USN-3016-2
References (15)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45e093ae2830cd1264677d47ff9a95a71f5d9f9cVendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.htmlMailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://lists.openwall.net/netdev/2016/05/14/28Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/05/21/2x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlx_refsource_CONFIRMThird Party Advisory
Source: [email protected]
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlVendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
http://www.ubuntu.com/usn/USN-3016-1Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
http://www.ubuntu.com/usn/USN-3016-2CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-Other
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