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- CVEs with nessus.description==According to the version of the vzkernel package and the
readykernel-patch installed, the Virtuozzo installation on the remote
host is affected by the following vulnerabilities :
- Linux kernel before version 4.16-rc7 is vulnerable to a
null pointer dereference in dccp_write_xmit() function
in net/dccp/output.c in that allows a local user to
cause a denial of service by a number of certain
crafted system calls.
- It was found that _sctp_make_chunk() function did not
check if the chunk length for INIT and INIT_ACK packets
was within the allowed limits. A local attacker could
exploit this to trigger a kernel crash.
- It was discovered that nfnl_cthelper_list structure was
accessible to any user with CAP_NET_ADMIN capability in
a network namespace. An unprivileged local user could
exploit that to affect netfilter conntrack helpers on
the host.
- It was discovered that a nlmon link inside a child
network namespace was not restricted to that namespace.
An unprivileged local user could exploit that to
monitor system-wide netlink activity.
- The KEYS subsystem in the Linux kernel omitted an
access-control check when writing a key to the current
task's default keyring, allowing a local user to bypass
security checks to the keyring. This compromises the
validity of the keyring for those who rely on it.
- net/netfilter/xt_osf.c in the Linux kernel through
4.14.4 does not require the CAP_NET_ADMIN capability
for add_callback and remove_callback operations. This
allows local users to bypass intended access
restrictions because the xt_osf_fingers data structure
is shared across all network namespaces.
Note that Tenable Network Security has extracted the preceding
description block directly from the Virtuozzo security advisory.
Tenable has attempted to automatically clean and format it as much as
possible without introducing additional issues.
Max CVSS | 0 |
Min CVSS | 0 |
Total Count | 2 |
| ID | CVSS | Summary | Last (major) update | Published |
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