Home / mailings [RHSA-2023:5244-01] Important: kernel security, bug fix, and enhancement update
Posted on 19 September 2023
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel security, bug fix, and enhancement update
Advisory ID: RHSA-2023:5244-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5244
Issue date: 2023-09-19
CVE Names: CVE-2023-2002 CVE-2023-3090 CVE-2023-3390
CVE-2023-3776 CVE-2023-4004 CVE-2023-20593
CVE-2023-35001 CVE-2023-35788
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 8.
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 (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux CRB (v. 8) - aarch64, ppc64le, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: ipvlan: out-of-bounds write caused by unclear skb->cb
(CVE-2023-3090)
* kernel: UAF in nftables when nft_set_lookup_global triggered after
handling named and anonymous sets in batch requests (CVE-2023-3390)
* kernel: net/sched: cls_fw component can be exploited as result of failure
in tcf_change_indev function (CVE-2023-3776)
* kernel: netfilter: use-after-free due to improper element removal in
nft_pipapo_remove() (CVE-2023-4004)
* kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval()
(CVE-2023-35001)
* kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()
(CVE-2023-35788)
* kernel: bluetooth: Unauthorized management command execution
(CVE-2023-2002)
* hw: amd: Cross-Process Information Leak (CVE-2023-20593)
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):
* low memory deadlock with md devices and external (imsm) metadata handling
- - requires a kernfs notification backport (BZ#2208540)
* Intel 8.9 BUG, SPR EMR FHF ACPI: Fix system hang during S3 wakeup
(BZ#2218025)
* OCS 4.8, cephfs kernel crash: mds_dispatch ceph_handle_snap unable to
handle kernel NULL (BZ#2218271)
* st_gmac: tx-checksum offload on vlan is not consistent with st_gmac
interface (BZ#2219907)
* refcount_t overflow often happens in mem_cgroup_id_get_online()
(BZ#2221010)
* avoid unnecessary page fault retires on shared memory types (BZ#2221100)
* enable conntrack clash resolution for GRE (BZ#2223542)
* ice: avoid bonding causing auxiliary plug/unplug under RTNL lock
(BZ#2224515)
* libceph: harden msgr2.1 frame segment length checks [8.x] (BZ#2227073)
* Important iavf bug fixes July 2023 (BZ#2228161)
* i40e error: Cannot set interface MAC/vlanid to 1e:b7:e2:02:b1:aa/0 for
ifname ens4f0 vf 0: Resource temporarily unavailable (BZ#2228163)
* oops on cifs_mount due to null tcon (BZ#2229128)
* iptables argument "--suppl-groups" in extension "owner" does not work in
RHEL8 (BZ#2229715)
* Hyper-V RHEL 8: incomplete fc_transport implementation in storvsc causes
null dereference in fc_timed_out() (BZ#2230743)
* Withdrawal: GFS2: could not freeze filesystem: -16 (BZ#2231825)
* RHEL 8 Hyper-V: Excessive hv_storvsc driver logging with srb_status
SRB_STATUS_INTERNAL_ERROR (0x30) (BZ#2231988)
* RHEL-8: crypto: rng - Fix lock imbalance in crypto_del_rng (BZ#2232215)
* Intel 8.9 iavf: Driver Update (BZ#2232399)
* Hyper-V RHEL-8 hv_storvsc driver logging excessive storvsc_log events for
storvsc_on_io_completion() function (BZ#2233227)
Enhancement(s):
* Intel 8.9 FEAT, EMR perf: Add EMR CPU PMU support (BZ#2230152)
* Intel 8.9 FEAT, SPR EMR power: Add uncore frequency control driver
(BZ#2230158)
* Intel 8.9 FEAT EMR perf: RAPL PMU support on EMR (BZ#2230162)
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
2187308 - CVE-2023-2002 Kernel: bluetooth: Unauthorized management command execution
2213260 - CVE-2023-3390 kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests
2215768 - CVE-2023-35788 kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()
2217845 - CVE-2023-20593 hw: amd: Cross-Process Information Leak
2218672 - CVE-2023-3090 kernel: ipvlan: out-of-bounds write caused by unclear skb->cb
2220892 - CVE-2023-35001 kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval()
2225097 - CVE-2023-3776 kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function
2225275 - CVE-2023-4004 kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove()
6. Package List:
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
kernel-4.18.0-477.27.1.el8_8.src.rpm
aarch64:
bpftool-4.18.0-477.27.1.el8_8.aarch64.rpm
bpftool-debuginfo-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-core-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-cross-headers-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-debug-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-debug-core-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-debug-debuginfo-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-debug-devel-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-debug-modules-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-debug-modules-extra-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-debuginfo-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-devel-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-headers-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-modules-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-modules-extra-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-tools-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-tools-debuginfo-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-tools-libs-4.18.0-477.27.1.el8_8.aarch64.rpm
perf-4.18.0-477.27.1.el8_8.aarch64.rpm
perf-debuginfo-4.18.0-477.27.1.el8_8.aarch64.rpm
python3-perf-4.18.0-477.27.1.el8_8.aarch64.rpm
python3-perf-debuginfo-4.18.0-477.27.1.el8_8.aarch64.rpm
noarch:
kernel-abi-stablelists-4.18.0-477.27.1.el8_8.noarch.rpm
kernel-doc-4.18.0-477.27.1.el8_8.noarch.rpm
ppc64le:
bpftool-4.18.0-477.27.1.el8_8.ppc64le.rpm
bpftool-debuginfo-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-core-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-cross-headers-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-debug-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-debug-core-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-debug-devel-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-debug-modules-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-debuginfo-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-devel-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-headers-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-modules-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-modules-extra-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-tools-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-tools-libs-4.18.0-477.27.1.el8_8.ppc64le.rpm
perf-4.18.0-477.27.1.el8_8.ppc64le.rpm
perf-debuginfo-4.18.0-477.27.1.el8_8.ppc64le.rpm
python3-perf-4.18.0-477.27.1.el8_8.ppc64le.rpm
python3-perf-debuginfo-4.18.0-477.27.1.el8_8.ppc64le.rpm
s390x:
bpftool-4.18.0-477.27.1.el8_8.s390x.rpm
bpftool-debuginfo-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-core-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-cross-headers-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-debug-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-debug-core-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-debug-debuginfo-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-debug-devel-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-debug-modules-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-debug-modules-extra-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-debuginfo-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-devel-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-headers-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-modules-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-modules-extra-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-tools-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-tools-debuginfo-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-zfcpdump-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-zfcpdump-core-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-zfcpdump-devel-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-zfcpdump-modules-4.18.0-477.27.1.el8_8.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-477.27.1.el8_8.s390x.rpm
perf-4.18.0-477.27.1.el8_8.s390x.rpm
perf-debuginfo-4.18.0-477.27.1.el8_8.s390x.rpm
python3-perf-4.18.0-477.27.1.el8_8.s390x.rpm
python3-perf-debuginfo-4.18.0-477.27.1.el8_8.s390x.rpm
x86_64:
bpftool-4.18.0-477.27.1.el8_8.x86_64.rpm
bpftool-debuginfo-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-core-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-cross-headers-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-debug-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-debug-core-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-debug-debuginfo-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-debug-devel-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-debug-modules-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-debug-modules-extra-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-debuginfo-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-devel-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-headers-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-modules-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-modules-extra-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-tools-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-tools-debuginfo-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-tools-libs-4.18.0-477.27.1.el8_8.x86_64.rpm
perf-4.18.0-477.27.1.el8_8.x86_64.rpm
perf-debuginfo-4.18.0-477.27.1.el8_8.x86_64.rpm
python3-perf-4.18.0-477.27.1.el8_8.x86_64.rpm
python3-perf-debuginfo-4.18.0-477.27.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux CRB (v. 8):
aarch64:
bpftool-debuginfo-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-debug-debuginfo-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-debuginfo-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-tools-debuginfo-4.18.0-477.27.1.el8_8.aarch64.rpm
kernel-tools-libs-devel-4.18.0-477.27.1.el8_8.aarch64.rpm
perf-debuginfo-4.18.0-477.27.1.el8_8.aarch64.rpm
python3-perf-debuginfo-4.18.0-477.27.1.el8_8.aarch64.rpm
ppc64le:
bpftool-debuginfo-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-debuginfo-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-477.27.1.el8_8.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-477.27.1.el8_8.ppc64le.rpm
perf-debuginfo-4.18.0-477.27.1.el8_8.ppc64le.rpm
python3-perf-debuginfo-4.18.0-477.27.1.el8_8.ppc64le.rpm
x86_64:
bpftool-debuginfo-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-debug-debuginfo-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-debuginfo-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-tools-debuginfo-4.18.0-477.27.1.el8_8.x86_64.rpm
kernel-tools-libs-devel-4.18.0-477.27.1.el8_8.x86_64.rpm
perf-debuginfo-4.18.0-477.27.1.el8_8.x86_64.rpm
python3-perf-debuginfo-4.18.0-477.27.1.el8_8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2023-2002
https://access.redhat.com/security/cve/CVE-2023-3090
https://access.redhat.com/security/cve/CVE-2023-3390
https://access.redhat.com/security/cve/CVE-2023-3776
https://access.redhat.com/security/cve/CVE-2023-4004
https://access.redhat.com/security/cve/CVE-2023-20593
https://access.redhat.com/security/cve/CVE-2023-35001
https://access.redhat.com/security/cve/CVE-2023-35788
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
