| Descripción: | Summary:
The remote host is missing an update for the 'bpftool'
package(s) announced via the CESA-2021:2725 advisory.
Vulnerability Insight:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: size_t-to-int conversion vulnerability in the filesystem layer
(CVE-2021-33909)
* kernel: use-after-free in net/bluetooth/hci_event.c when destroying an
hci_chan (CVE-2021-33034)
* kernel: use-after-free in show_numa_stats function (CVE-2019-20934)
* kernel: mishandles invalid descriptors in
drivers/media/usb/gspca/xirlink_cit.c (CVE-2020-11668)
* kernel: use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c
(CVE-2021-33033)
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):
* [RHEL7.9.z] n_tty_open: 'BUG: unable to handle kernel paging request'
(BZ#1872778)
* [ESXi][RHEL7.8]'qp_alloc_hypercall result = -20' / 'Could not attach to
queue pair with -20' with vSphere Fault Tolerance enabled (BZ#1892237)
* [RHEL7.9][s390x][Regression] Sino Nomine swapgen IBM z/VM emulated DASD
with DIAG driver returns EOPNOTSUPP (BZ#1910395)
* False-positive hard lockup detected while processing the thread state
information (SysRq-T) (BZ#1912221)
* RHEL7.9 zstream - s390x LPAR with NVMe SSD will panic when it has 32 or
more IFL (pci) (BZ#1917943)
* The NMI watchdog detected a hard lockup while printing RCU CPU stall
warning messages to the serial console (BZ#1924688)
* nvme hangs when trying to allocate reserved tag (BZ#1926825)
* [REGRESSION] 'call into AER handling regardless of severity' triggers
do_recovery() unnecessarily on correctable PCIe errors (BZ#1933663)
* Module nvme_core: A double free of the kmalloc-512 cache between
nvme_trans_log_temperature() and nvme_get_log_page(). (BZ#1946793)
* sctp - SCTP_CMD_TIMER_START queues active timer kernel BUG at
kernel/timer.c:1000! (BZ#1953052)
* [Hyper-V][RHEL-7]When CONFIG_NET_POLL_CONTROLLER is set, mainline commit
2a7f8c3b1d3fee is needed (BZ#1953075)
* Kernel panic at cgroup_is_descendant (BZ#1957719)
* [Hyper-V][RHEL-7]Commits To Fix Kdump Failures (BZ#1957803)
* IGMPv2 JOIN packets incorrectly routed to loopback (BZ#1958339)
* [CKI kernel builds]: x86 binaries in non-x86 kernel rpms breaks systemtap
[7.9.z] (BZ#1960193)
* mlx4: Fix memory allocation in mlx4_buddy_init needed (BZ#1962406)
* incorrect assertion on pi_state->pi_mutex.wait_lock from
pi_state_update_owner() (BZ#1965495)
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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