| Descripción: | Summary:
The remote host is missing an update for the 'bpftool'
package(s) announced via the CESA-2021:0856 advisory.
Vulnerability Insight:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in
net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)
* kernel: SCSI target (LIO) write to any block on ILO backstore
(CVE-2020-28374)
* kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an
use-after-free (CVE-2020-29661)
* kernel: malicious USB devices can lead to multiple out-of-bounds write
(CVE-2019-19532)
* kernel: out-of-bounds reads in pinctrl subsystem. (CVE-2020-0427)
* kernel: use-after-free in i915_ppgtt_close in
drivers/gpu/drm/i915/i915_gem_gtt.c (CVE-2020-7053)
* kernel: performance counters race condition use-after-free
(CVE-2020-14351)
* kernel: Geneve/IPsec traffic may be unencrypted between two Geneve
endpoints (CVE-2020-25645)
* kernel: use-after-free in read in vt_do_kdgkb_ioctl (CVE-2020-25656)
* kernel: ICMP rate limiting can be used for DNS poisoning attack
(CVE-2020-25705)
* kernel: increase slab leak leads to DoS (CVE-2021-20265)
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 Fix(es):
* BUG: scheduling while atomic: memory allocation under spinlock in
scsi_register_device_handler() (BZ#1619147)
* WARNING in __iscsit_free_cmd during recovery Abort (BZ#1784540)
* lpfc does not issue adisc to fcp-2 devices, does not respond to nvme
target that send an adisc. (BZ#1875961)
* Panic in semctl_nolock.constprop.15+0x25b (BZ#1877264)
* [RHEL 7.7][md]Crash due to invalid pool workqueue pointer, work queue
race (BZ#1889372)
* Guest crash on intel CPU with -cpu host, -spec-ctrl, +ibpb (BZ#1890669)
* RHEL7.9 - kernel/uv: handle length extension properly (BZ#1899172)
* Commit b144f013fc16a06d7a4b9a4be668a3583fafeda2 'i40e: don't report link
up for a VF who hasn't enabled queues' introducing issues with VM using
DPDK (BZ#1901064)
* writing to /sys/devices/(...)/net/eno49/queues/tx-16/xps_cpus triggers
kernel panic (BZ#1903819)
* [Hyper-V][RHEL-7.9]video: hyperv_fb: Fix the cache type when mapping the
VRAM Edit (BZ#1908896)
* kvm-rhel7.9 [AMD] - system crash observed while powering on virtual
machine with attached VF interfaces. (BZ#1909036)
* kernel: nvme nvme7: Connect command failed, error wo/DNR bit: 2
(BZ#1910817)
* dm-mirror crashes from assuming underlying storage will have a non-NULL
merge_bvec_fn (BZ#1916407)
* watchdog: use nmi registers snapshot in hardlockup handler (BZ#1916589)
* [DELL EMC 7.9 BUG] - Intel E810 NIC interfaces are not functional in RHEL
7.9 on system with AMD Rome CPUs (BZ#1918273)
* [DELL EMC BUG] RHEL system log shows AMD-Vi error when system connected
with Gen 4 NVMe drives. (BZ#1921187)
Affected Software/OS:
'bpftool' package(s) on CentOS 7.
Solution:
Please install the updated package(s).
CVSS Score:
7.2
CVSS Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
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