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             AUSCERT External Security Bulletin Redistribution             
                                                                           
                               ESB-2024.1659                               
                    kernel security and bug fix update                     
                               20 March 2024                               
                                                                           
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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           kernel                                                  
Publisher:         Red Hat                                                 
Operating System:  Red Hat                                                 
Resolution:        Patch/Upgrade                                           
CVE Names:         CVE-2023-2176 CVE-2023-4459 CVE-2023-3611               
                   CVE-2023-31436 CVE-2024-0646 CVE-2022-38096             
                   CVE-2023-7192 CVE-2023-2166 CVE-2022-41858              
                   CVE-2023-6817 CVE-2022-3545                             

Original Bulletin:
   https://access.redhat.com/errata/RHSA-2024:1367

Comment: CVSS (Max):  7.8 CVE-2023-6817 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
         CVSS Source: Red Hat                                              
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H


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                Red Hat Security Advisory

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2024:1367
Product:           Red Hat Enterprise Linux BaseOS AUS (v.8.4)
Advisory URL:      https://access.redhat.com/errata/RHSA-2024:1367
Issue date:        2024-03-19
CVE Names:         CVE-2022-3545 CVE-2022-38096 CVE-2022-41858 CVE-2023-2166
                   CVE-2023-2176 CVE-2023-3611 CVE-2023-4459 CVE-2023-6817
                   CVE-2023-7192 CVE-2023-31436 CVE-2024-0646
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced
Mission Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update
Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of
Important. A Common Vulnerability Scoring System (CVSS) base score, which gives
a detailed severity rating, is available for each vulnerability from the CVE
link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS AUS (v.8.4) - x86_64, noarch, ppc64le 
Red Hat Enterprise Linux BaseOS E4S (v.8.4) - x86_64, noarch, ppc64le 
Red Hat Enterprise Linux BaseOS TUS (v.8.4) - x86_64, noarch, ppc64le 

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux operating
system.

Security Fix(es):

* kernel: vmwgfx: NULL pointer dereference in vmw_cmd_dx_define_query
(CVE-2022-38096)

* kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip
(CVE-2022-41858)

* kernel: nfp: use-after-free in area_cache_get() (CVE-2022-3545)

* kernel: NULL pointer dereference in can_rcv_filter (CVE-2023-2166)

* kernel: Slab-out-of-bound read in compare_netdev_and_ip (CVE-2023-2176)

* kernel: out-of-bounds write in qfq_change_class function (CVE-2023-31436)

* kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup()
(CVE-2023-4459)

* kernel: net/sched: sch_qfq component can be exploited if in qfq_change_agg
function happens qfq_enqueue overhead (CVE-2023-3611)

* kernel: ktls overwrites readonly memory pages when using function splice with
a ktls socket as destination (CVE-2024-0646)

* kernel: inactive elements in nft_pipapo_walk (CVE-2023-6817)

* kernel: refcount leak in ctnetlink_create_conntrack() (CVE-2023-7192)

Bug Fix(es):

* kernel: out-of-bounds write in qfq_change_class function (JIRA:RHEL-12696)

* kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup()
(JIRA:RHEL-18194)

* kernel: refcount leak in ctnetlink_create_conntrack() (JIRA:RHEL-20296)

* kernel: inactive elements in nft_pipapo_walk (JIRA:RHEL-20695)

* kernel: ktls overwrites readonly memory pages when using function splice with
a ktls socket as destination (JIRA:RHEL-22088)

* kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip
(JIRA:RHEL-18580)

* ipoib mcast lockup fix (JIRA:RHEL-19696)

* dm multipath device suspend deadlocks waiting on a flush request
(JIRA:RHEL-19108)

* kernel: Slab-out-of-bound read in compare_netdev_and_ip (JIRA:RHEL-19325)

* kernel: A flaw leading to a use-after-free in area_cache_get()
(JIRA:RHEL-19449)

* kernel: vmxgfx: NULL pointer dereference in vmw_cmd_dx_define_query
(JIRA:RHEL-22763)

* RHEL 8.5: Backport upstream memory cgroup commits up to v5.12 (JIRA:RHEL-9162)

* kernel: NULL pointer dereference in can_rcv_filter (JIRA:RHEL-19459)

* ceph: several cap and snap fixes (JIRA:RHEL-20906)

* kernel NULL pointer at RIP: 0010:kyber_has_work+0x1c/0x60 (JIRA:RHEL-21782)

* rbd: don't move requests to the running list on errors [8.x] (JIRA:RHEL-24201)

4. Solution:

For details on how to apply this update, which includes the changes described in
this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

2161310 - CVE-2022-3545 - kernel: nfp: use-after-free in area_cache_get() 
2133452 - CVE-2022-38096 - kernel: vmwgfx: NULL pointer dereference in
vmw_cmd_dx_define_query
2144379 - CVE-2022-41858 - kernel: null-ptr-deref vulnerabilities in
sl_tx_timeout in drivers/net/slip
2187813 - CVE-2023-2166 - kernel: NULL pointer dereference in can_rcv_filter 
2187931 - CVE-2023-2176 - kernel: Slab-out-of-bound read in
compare_netdev_and_ip
2225191 - CVE-2023-3611 - kernel: net/sched: sch_qfq component can be exploited
if in qfq_change_agg function happens qfq_enqueue overhead
2219268 - CVE-2023-4459 - kernel: vmxnet3: NULL pointer dereference in
vmxnet3_rq_cleanup()
2255139 - CVE-2023-6817 - kernel: inactive elements in nft_pipapo_walk 
2256279 - CVE-2023-7192 - kernel: refcount leak in ctnetlink_create_conntrack() 
2192671 - CVE-2023-31436 - kernel: out-of-bounds write in qfq_change_class
function
2253908 - CVE-2024-0646 - kernel: ktls overwrites readonly memory pages when
using function splice with a ktls socket as destination

6. Package List:

Red Hat Enterprise Linux BaseOS AUS (v.8.4)

x86_64:
bpftool-0:4.18.0-305.125.1.el8_4.x86_64.rpm
bpftool-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-core-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-cross-headers-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-core-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-devel-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-modules-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-modules-extra-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-devel-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-headers-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-modules-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-modules-extra-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-tools-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-tools-libs-0:4.18.0-305.125.1.el8_4.x86_64.rpm
perf-0:4.18.0-305.125.1.el8_4.x86_64.rpm
perf-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
python3-perf-0:4.18.0-305.125.1.el8_4.x86_64.rpm
python3-perf-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm

Source:
kernel-0:4.18.0-305.125.1.el8_4.src.rpm

noarch:
kernel-abi-stablelists-0:4.18.0-305.125.1.el8_4.noarch.rpm
kernel-doc-0:4.18.0-305.125.1.el8_4.noarch.rpm

Red Hat Enterprise Linux BaseOS E4S (v.8.4)

ppc64le:
bpftool-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
bpftool-debuginfo-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-core-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-cross-headers-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-debug-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-debug-core-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-debug-debuginfo-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-debug-devel-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-debug-modules-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-debug-modules-extra-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-debuginfo-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-devel-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-headers-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-modules-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-modules-extra-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-tools-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-tools-debuginfo-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
kernel-tools-libs-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
perf-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
perf-debuginfo-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
python3-perf-0:4.18.0-305.125.1.el8_4.ppc64le.rpm
python3-perf-debuginfo-0:4.18.0-305.125.1.el8_4.ppc64le.rpm

x86_64:
bpftool-0:4.18.0-305.125.1.el8_4.x86_64.rpm
bpftool-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-core-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-cross-headers-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-core-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-devel-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-modules-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-modules-extra-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-devel-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-headers-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-modules-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-modules-extra-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-tools-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-tools-libs-0:4.18.0-305.125.1.el8_4.x86_64.rpm
perf-0:4.18.0-305.125.1.el8_4.x86_64.rpm
perf-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
python3-perf-0:4.18.0-305.125.1.el8_4.x86_64.rpm
python3-perf-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm

Source:
kernel-0:4.18.0-305.125.1.el8_4.src.rpm

noarch:
kernel-abi-stablelists-0:4.18.0-305.125.1.el8_4.noarch.rpm
kernel-doc-0:4.18.0-305.125.1.el8_4.noarch.rpm

Red Hat Enterprise Linux BaseOS TUS (v.8.4)

x86_64:
bpftool-0:4.18.0-305.125.1.el8_4.x86_64.rpm
bpftool-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-core-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-cross-headers-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-core-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-devel-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-modules-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debug-modules-extra-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-devel-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-headers-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-modules-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-modules-extra-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-tools-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
kernel-tools-libs-0:4.18.0-305.125.1.el8_4.x86_64.rpm
perf-0:4.18.0-305.125.1.el8_4.x86_64.rpm
perf-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm
python3-perf-0:4.18.0-305.125.1.el8_4.x86_64.rpm
python3-perf-debuginfo-0:4.18.0-305.125.1.el8_4.x86_64.rpm

Source:
kernel-0:4.18.0-305.125.1.el8_4.src.rpm

noarch:
kernel-abi-stablelists-0:4.18.0-305.125.1.el8_4.noarch.rpm
kernel-doc-0:4.18.0-305.125.1.el8_4.noarch.rpm

7. References:

https://access.redhat.com/security/cve/CVE-2022-3545
https://access.redhat.com/security/cve/CVE-2022-38096
https://access.redhat.com/security/cve/CVE-2022-41858
https://access.redhat.com/security/cve/CVE-2023-2166
https://access.redhat.com/security/cve/CVE-2023-2176
https://access.redhat.com/security/cve/CVE-2023-3611
https://access.redhat.com/security/cve/CVE-2023-4459
https://access.redhat.com/security/cve/CVE-2023-6817
https://access.redhat.com/security/cve/CVE-2023-7192
https://access.redhat.com/security/cve/CVE-2023-31436
https://access.redhat.com/security/cve/CVE-2024-0646
https://access.redhat.com/security/updates/classification/#important

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