Issued:: 2024-01-24
Updated:: 2024-01-24

RHSA-2024:0448 - Important: kernel security and bug fix update

Synopsis

Important: kernel security and bug fix update

Type/Severity

Security Advisory Important

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.

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.

Description

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

Security Fix(es):

kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163)
kernel: use after free in unix_stream_sendpage (CVE-2023-4622)
kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)
kernel: eBPF: insufficient stack type checks in dynptr (CVE-2023-39191)
kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)
kernel: nfp: use-after-free in area_cache_get() (CVE-2022-3545)
kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip (CVE-2022-41858)
kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162)
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: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race (CVE-2023-3567)
kernel: use-after-free in netfilter: nf_tables (CVE-2023-3777)
kernel: use after free in nft_immediate_deactivate (CVE-2023-4015)
kernel: A heap out-of-bounds write (CVE-2023-5717)
hw amd: Return Address Predictor vulnerability leading to information disclosure (CVE-2023-20569)
kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment (CVE-2023-38409)
kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (CVE-2023-40283)
kernel: SEV-ES local priv escalation (CVE-2023-46813)
kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)
kernel: NULL pointer dereference in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c (CVE-2023-6679)

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):

sev-guest is not loaded automatically in the guest kernel when sev-snp is enabled (BZ#2218934)
Cgroups v2: Current interface to disable cpu load balancing not compatible with kubernetes cgroup hierarchy (BZ#2238754)
WPC ice driver misc irq not getting generated for a interface. (BZ#2245881)
RHEL9.0 - s390/qeth: NET2016 - fix use-after-free in HSCI (BZ#2247798)
pNFS/filelayout: treat GETDEVICEINFO errors as layout failure (BZ#2249557)
cifs: fix dentry lookups in directory handle cache (BZ#2249558)
Performance regression with random 2 KiB writes to ext4 filesystem with 4 KiB filesystem blocks (BZ#2249685)
kernel.spec: Fix UKI naming to comply with BLS (BZ#2254546)

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.

Affected Products

Product	Version	Arch
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions	9.2	x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support	9.2	x86_64
Red Hat Enterprise Linux for Power, little endian - Extended Update Support	9.2	ppc64le
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support	9.2	s390x
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates	9.2	s390x
Red Hat Enterprise Linux for ARM 64 - Extended Update Support	9.2	aarch64
Red Hat Enterprise Linux for ARM 64 - 4 years of updates	9.2	aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions	9.2	ppc64le
Red Hat Enterprise Linux Server - AUS	9.2	x86_64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support	9.2	x86_64
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support	9.2	ppc64le
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support	9.2	s390x
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support	9.2	aarch64

Updated Packages

kernel-cross-headers-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-tools-libs-devel-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-zfcpdump-modules-5.14.0-284.48.1.el9_2.s390x.rpm
python3-perf-debuginfo-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-modules-extra-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-core-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debuginfo-common-s390x-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-headers-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-64k-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-core-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-modules-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debug-debuginfo-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debug-modules-extra-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-modules-core-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-debuginfo-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-tools-debuginfo-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-modules-extra-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-modules-core-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-debug-modules-core-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-modules-extra-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-devel-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-cross-headers-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-zfcpdump-debuginfo-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-modules-core-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-debug-devel-matched-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-tools-debuginfo-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-modules-extra-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-zfcpdump-modules-core-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-debug-modules-extra-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-devel-5.14.0-284.48.1.el9_2.aarch64.rpm
perf-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-debug-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-cross-headers-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-tools-debuginfo-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debug-5.14.0-284.48.1.el9_2.s390x.rpm
perf-debuginfo-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-64k-debug-debuginfo-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debuginfo-common-aarch64-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debuginfo-5.14.0-284.48.1.el9_2.ppc64le.rpm
bpftool-7.0.0-284.48.1.el9_2.ppc64le.rpm
python3-perf-debuginfo-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-cross-headers-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-tools-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-tools-libs-devel-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-64k-debug-core-5.14.0-284.48.1.el9_2.aarch64.rpm
rtla-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-64k-modules-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-64k-modules-core-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debug-modules-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-tools-debuginfo-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-debug-core-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-64k-devel-matched-5.14.0-284.48.1.el9_2.aarch64.rpm
bpftool-debuginfo-7.0.0-284.48.1.el9_2.ppc64le.rpm
bpftool-7.0.0-284.48.1.el9_2.s390x.rpm
kernel-debuginfo-common-x86_64-5.14.0-284.48.1.el9_2.x86_64.rpm
python3-perf-debuginfo-5.14.0-284.48.1.el9_2.s390x.rpm
perf-debuginfo-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debug-modules-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-tools-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-debug-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-tools-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-5.14.0-284.48.1.el9_2.src.rpm
rtla-5.14.0-284.48.1.el9_2.aarch64.rpm
bpftool-debuginfo-7.0.0-284.48.1.el9_2.x86_64.rpm
kernel-64k-modules-extra-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debug-devel-matched-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-modules-core-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-core-5.14.0-284.48.1.el9_2.s390x.rpm
rtla-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-debug-uki-virt-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-uki-virt-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-devel-matched-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-debug-devel-matched-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-debuginfo-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debug-devel-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-5.14.0-284.48.1.el9_2.x86_64.rpm
bpftool-7.0.0-284.48.1.el9_2.aarch64.rpm
kernel-devel-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-debug-modules-core-5.14.0-284.48.1.el9_2.aarch64.rpm
perf-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-core-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-devel-matched-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-debug-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-devel-matched-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-64k-debuginfo-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-headers-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-debuginfo-common-ppc64le-5.14.0-284.48.1.el9_2.ppc64le.rpm
bpftool-debuginfo-7.0.0-284.48.1.el9_2.s390x.rpm
kernel-doc-5.14.0-284.48.1.el9_2.noarch.rpm
kernel-debug-devel-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-64k-core-5.14.0-284.48.1.el9_2.aarch64.rpm
python3-perf-debuginfo-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-tools-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debug-modules-extra-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-modules-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-modules-5.14.0-284.48.1.el9_2.ppc64le.rpm
python3-perf-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-debug-debuginfo-5.14.0-284.48.1.el9_2.x86_64.rpm
bpftool-7.0.0-284.48.1.el9_2.x86_64.rpm
kernel-tools-libs-devel-5.14.0-284.48.1.el9_2.aarch64.rpm
bpftool-debuginfo-7.0.0-284.48.1.el9_2.aarch64.rpm
kernel-debug-core-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-headers-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debug-core-5.14.0-284.48.1.el9_2.s390x.rpm
python3-perf-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-debug-modules-core-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-devel-5.14.0-284.48.1.el9_2.x86_64.rpm
python3-perf-5.14.0-284.48.1.el9_2.aarch64.rpm
perf-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debug-devel-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-64k-devel-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-64k-debug-devel-matched-5.14.0-284.48.1.el9_2.aarch64.rpm
perf-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-debug-core-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-modules-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-64k-debug-modules-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-abi-stablelists-5.14.0-284.48.1.el9_2.noarch.rpm
kernel-tools-libs-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-64k-debug-modules-core-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-tools-libs-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-64k-debug-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debug-devel-matched-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-debug-modules-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-debug-debuginfo-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debug-modules-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-zfcpdump-devel-matched-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-devel-matched-5.14.0-284.48.1.el9_2.ppc64le.rpm
kernel-debug-debuginfo-5.14.0-284.48.1.el9_2.ppc64le.rpm
perf-debuginfo-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-zfcpdump-devel-5.14.0-284.48.1.el9_2.s390x.rpm
python3-perf-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-debug-devel-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-debuginfo-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-zfcpdump-modules-extra-5.14.0-284.48.1.el9_2.s390x.rpm
perf-debuginfo-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-headers-5.14.0-284.48.1.el9_2.ppc64le.rpm
rtla-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-debug-modules-core-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-zfcpdump-core-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-debug-modules-extra-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-tools-libs-5.14.0-284.48.1.el9_2.x86_64.rpm
kernel-zfcpdump-5.14.0-284.48.1.el9_2.s390x.rpm
kernel-64k-debug-modules-extra-5.14.0-284.48.1.el9_2.aarch64.rpm
kernel-64k-debug-devel-5.14.0-284.48.1.el9_2.aarch64.rpm

Fixes

CVEs

References

https://access.redhat.com/security/updates/classification/#important

Additional information

The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.