| Descripción: | Summary:
The remote host is missing an update for the 'bpftool'
package(s) announced via the CESA-2019:3055 advisory.
Vulnerability Insight:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: Use-after-free in __blk_drain_queue() function in
block/blk-core.c (CVE-2018-20856)
* kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in
marvell/mwifiex/scan.c (CVE-2019-3846)
* hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB)
(CVE-2019-9506)
* kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in
drivers/net/wireless/marvell/mwifiex/ie.c (CVE-2019-10126)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Bug Fixes:
* gfs2: Fix iomap write page reclaim deadlock (BZ#1737373)
* [FJ7.6 Bug]: [REG] kernel: ipc: ipc_free should use kvfree (BZ#1740178)
* high update_cfs_rq_blocked_load contention (BZ#1740180)
* [Hyper-V][RHEL 7] kdump fails to start on a Hyper-V guest of Windows
Server 2019. (BZ#1740188)
* kvm: backport cpuidle-haltpoll driver (BZ#1740192)
* Growing unreclaimable slab memory (BZ#1741920)
* [bnx2x] ping failed from pf to vf which has been attached to vm
(BZ#1741926)
* [Hyper-V]vPCI devices cannot allocate IRQs vectors in a Hyper-V VM with >
240 vCPUs (i.e., when in x2APIC mode) (BZ#1743324)
* Macsec: inbound MACSEC frame is unexpectedly dropped with InPktsNotValid
(BZ#1744442)
* RHEL 7.7 Beta - Hit error when trying to run nvme connect with IPv6
address (BZ#1744443)
* RHEL 7.6 SS4 - Paths lost when running straight I/O on NVMe/RoCE system
(BZ#1744444)
* NFSv4.0 client sending a double CLOSE (leading to EIO application
failure) (BZ#1744946)
* [Azure] CRI-RDOS [RHEL 7.8] Live migration only takes 10 seconds, but
the VM was unavailable for 2 hours (BZ#1748239)
* NFS client autodisconnect timer may fire immediately after TCP connection
setup and may cause DoS type reconnect problem in complex network
environments (BZ#1749290)
* [Inspur] RHEL7.6 ASPEED graphic card display issue (BZ#1749296)
* Allows macvlan to operated correctly over the active-backup mode to
support bonding events. (BZ#1751579)
* [LLNL 7.5 Bug] slab leak causing a crash when using kmem control group
(BZ#1752421)
Users of kernel are advised to upgrade to these updated packages, which fix
these bugs.
Affected Software/OS:
'bpftool' package(s) on CentOS 7.
Solution:
Please install the updated package(s).
CVSS Score:
8.3
CVSS Vector:
AV:A/AC:L/Au:N/C:C/I:C/A:C
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