Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2018-1234)

The remote host is missing an update for the Huawei EulerOS 'kernel' package(s) announced via the EulerOS-SA-2018-1234 advisory.

A use-after-free vulnerability was found in network namespaces code affecting the Linux kernel before 4.14.11. The function get_net_ns_by_id() in net/core/net_namespace.c does not check for the net::count value after it has found a peer network in netns_ids idr, which could lead to double free and memory corruption. This vulnerability could allow an unprivileged local user to induce kernel memory corruption on the system, leading to a crash. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although it is thought to be unlikely.(CVE-2017-15129) The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service (use-after-free and memory corruption) or possibly have unspecified other impact by leveraging the presence of xt_TCPMSS in an iptables action.(CVE-2017-18017) A flaw was found in the upstream kernel Skcipher component. This vulnerability affects the skcipher_recvmsg function of the component Skcipher. The manipulation with an unknown input leads to a privilege escalation vulnerability.(CVE-2017-13215) In the Linux kernel through 4.14.13, the rds_message_alloc_sgs() function does not validate a value that is used during DMA page allocation, leading to a heap-based out-of-bounds write (related to the rds_rdma_extra_size() function in 'net/rds/rdma.c') and thus to a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although we believe it is unlikely.(CVE-2018-5332) In the Linux kernel through 4.14.13, the rds_cmsg_atomic() function in 'net/rds/rdma.c' mishandles cases where page pinning fails or an invalid address is supplied by a user. This can lead to a NULL pointer dereference in rds_atomic_free_op() and thus to a system panic.(CVE-2018-5333) drivers/input/serio/i8042.c in the Linux kernel before 4.12.4 allows attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact because the port-exists value can change after it is validated.(CVE-2017-18079)

'kernel' package(s) on Huawei EulerOS Virtualization 2.5.0.

Checks if a vulnerable package version is present on the target host.

Please install the updated package(s).