Issued:: 2024-09-24
Updated:: 2024-09-24

RHSA-2024:6993 - Important: kernel security update

Synopsis

Important: kernel security update

Type/Severity

Security Advisory Important

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.8 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: uio: Fix use-after-free in uio_open (CVE-2023-52439)
kernel: smb: client: fix potential OOBs in smb2_parse_contexts() (CVE-2023-52434)
kernel: net: fix possible store tearing in neigh_periodic_work() (CVE-2023-52522)
kernel: tunnels: fix out of bounds access when building IPv6 PMTU error (CVE-2024-26665)
kernel: hv_netvsc: Fix race condition between netvsc_probe and netvsc_remove (CVE-2024-26698)
kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal() (CVE-2024-26772)
kernel: mptcp: fix data re-injection from stale subflow (CVE-2024-26826)
kernel: x86/xen: Add some null pointer checking to smp.c (CVE-2024-26908)
kernel: netfilter: nf_conntrack_h323: Add protection for bmp length out of range (CVE-2024-26851)
kernel: af_unix: Fix garbage collector racing against connect() (CVE-2024-26923)
kernel: cgroup: cgroup_get_from_id() must check the looked-up kn is a directory (CVE-2022-48638)
kernel: netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get() (CVE-2024-27020)
kernel: netfilter: nf_tables: Fix potential data-race in __nft_obj_type_get() (CVE-2024-27019)
kernel: Bluetooth: l2cap: fix null-ptr-deref in l2cap_chan_timeout (CVE-2024-27399)
kernel: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() (CVE-2024-35898)
kernel: ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr (CVE-2024-35969)
kernel: netfilter: nf_tables: honor table dormant flag from netdev release event path (CVE-2024-36005)
kernel: hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field (CVE-2021-47384)
kernel: mISDN: fix possible use-after-free in HFC_cleanup() (CVE-2021-47356)
kernel: virtio-net: Add validation for used length (CVE-2021-47352)
kernel: platform/x86: wmi: Fix opening of char device (CVE-2023-52864)
kernel: scsi: ibmvfc: Remove BUG_ON in the case of an empty event pool (CVE-2023-52811)
kernel: bonding: stop the device in bond_setup_by_slave() (CVE-2023-52784)
kernel: isdn: mISDN: Fix sleeping function called from invalid context (CVE-2021-47468)
kernel: proc/vmcore: fix clearing user buffer by properly using clear_user() (CVE-2021-47566)
kernel: tty: n_gsm: fix possible out-of-bounds in gsm0_receive() (CVE-2024-36016)
kernel: net: core: reject skb_copy(_expand) for fraglist GSO skbs (CVE-2024-36929)
kernel: net: sched: sch_multiq: fix possible OOB write in multiq_tune() (CVE-2024-36978)
kernel: cpufreq: exit() callback is optional (CVE-2024-38615)
kernel: md: fix resync softlockup when bitmap size is less than array size (CVE-2024-38598)
kernel: cppc_cpufreq: Fix possible null pointer dereference (CVE-2024-38573)
kernel: netfilter: tproxy: bail out if IP has been disabled on the device (CVE-2024-36270)
kernel: net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc() (CVE-2024-40995)
kernel: udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port() (CVE-2024-41041)
kernel: ppp: reject claimed-as-LCP but actually malformed packets (CVE-2024-41044)
kernel: wifi: mac80211: Avoid address calculations via out of bounds array indexing (CVE-2024-41071)
kernel: drm/amdgpu: avoid using null object of framebuffer (CVE-2024-41093)
kernel: tcp_metrics: validate source addr length (CVE-2024-42154)

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.

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	8.8	x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support	8.8	x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension	8.8	x86_64
Red Hat Enterprise Linux for Power, little endian - Extended Update Support	8.8	ppc64le
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support	8.8	s390x
Red Hat Enterprise Linux for ARM 64 - Extended Update Support	8.8	aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions	8.8	ppc64le
Red Hat Enterprise Linux Server - TUS	8.8	x86_64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support	8.8	x86_64
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support	8.8	ppc64le
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support	8.8	aarch64

Updated Packages

kernel-debug-core-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-core-4.18.0-477.74.1.el8_8.s390x.rpm
bpftool-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-abi-stablelists-4.18.0-477.74.1.el8_8.noarch.rpm
kernel-debug-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-debug-modules-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-4.18.0-477.74.1.el8_8.src.rpm
kernel-core-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-debuginfo-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-devel-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-devel-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-headers-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-debug-modules-extra-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-headers-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-modules-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-cross-headers-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-tools-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-tools-debuginfo-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-tools-debuginfo-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-tools-libs-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-zfcpdump-modules-extra-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-debug-debuginfo-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-tools-libs-4.18.0-477.74.1.el8_8.aarch64.rpm
perf-debuginfo-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-debug-devel-4.18.0-477.74.1.el8_8.x86_64.rpm
perf-4.18.0-477.74.1.el8_8.x86_64.rpm
python3-perf-4.18.0-477.74.1.el8_8.s390x.rpm
python3-perf-debuginfo-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-477.74.1.el8_8.aarch64.rpm
python3-perf-debuginfo-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-debug-modules-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-debuginfo-common-x86_64-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-modules-extra-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-modules-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-debuginfo-common-s390x-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-debug-modules-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-tools-debuginfo-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-tools-libs-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-tools-libs-devel-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-zfcpdump-modules-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-tools-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-debug-devel-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-doc-4.18.0-477.74.1.el8_8.noarch.rpm
kernel-headers-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-modules-extra-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-core-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-zfcpdump-debuginfo-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-debuginfo-common-ppc64le-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-modules-extra-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-tools-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-debug-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-zfcpdump-devel-4.18.0-477.74.1.el8_8.s390x.rpm
bpftool-debuginfo-4.18.0-477.74.1.el8_8.x86_64.rpm
perf-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-modules-4.18.0-477.74.1.el8_8.ppc64le.rpm
perf-debuginfo-4.18.0-477.74.1.el8_8.x86_64.rpm
python3-perf-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-tools-4.18.0-477.74.1.el8_8.ppc64le.rpm
bpftool-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-core-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-debuginfo-common-aarch64-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-debug-core-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-debuginfo-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-debug-devel-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-modules-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-debug-core-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-tools-debuginfo-4.18.0-477.74.1.el8_8.ppc64le.rpm
python3-perf-4.18.0-477.74.1.el8_8.x86_64.rpm
perf-4.18.0-477.74.1.el8_8.ppc64le.rpm
python3-perf-debuginfo-4.18.0-477.74.1.el8_8.s390x.rpm
perf-debuginfo-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-debug-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-debug-modules-4.18.0-477.74.1.el8_8.x86_64.rpm
perf-4.18.0-477.74.1.el8_8.s390x.rpm
bpftool-debuginfo-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-debuginfo-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-debug-debuginfo-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-tools-libs-devel-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-debug-4.18.0-477.74.1.el8_8.ppc64le.rpm
kernel-debug-core-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-4.18.0-477.74.1.el8_8.ppc64le.rpm
bpftool-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-zfcpdump-4.18.0-477.74.1.el8_8.s390x.rpm
perf-debuginfo-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-debug-modules-extra-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-devel-4.18.0-477.74.1.el8_8.s390x.rpm
bpftool-debuginfo-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-modules-extra-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-zfcpdump-core-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-cross-headers-4.18.0-477.74.1.el8_8.x86_64.rpm
bpftool-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-cross-headers-4.18.0-477.74.1.el8_8.aarch64.rpm
python3-perf-4.18.0-477.74.1.el8_8.aarch64.rpm
python3-perf-debuginfo-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-debug-modules-extra-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-debuginfo-4.18.0-477.74.1.el8_8.ppc64le.rpm
bpftool-debuginfo-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-debug-debuginfo-4.18.0-477.74.1.el8_8.x86_64.rpm
kernel-devel-4.18.0-477.74.1.el8_8.aarch64.rpm
kernel-debug-devel-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-headers-4.18.0-477.74.1.el8_8.s390x.rpm
kernel-cross-headers-4.18.0-477.74.1.el8_8.ppc64le.rpm

Fixes

CVEs

CVE-2021-47352
CVE-2021-47356
CVE-2021-47384
CVE-2021-47468
CVE-2021-47566
CVE-2022-48638
CVE-2023-52434
CVE-2023-52439
CVE-2023-52522
CVE-2023-52784
CVE-2023-52811
CVE-2023-52864
CVE-2024-26665
CVE-2024-26698
CVE-2024-26772
CVE-2024-26826
CVE-2024-26851
This content is not included.CVE-2024-26908
CVE-2024-26923
CVE-2024-27019
CVE-2024-27020
CVE-2024-27399
CVE-2024-35898
CVE-2024-35969
CVE-2024-36005
CVE-2024-36016
CVE-2024-36270
CVE-2024-36929
CVE-2024-36978
CVE-2024-38573
CVE-2024-38598
CVE-2024-38615
CVE-2024-40995
CVE-2024-41041
CVE-2024-41044
CVE-2024-41071
CVE-2024-41093
CVE-2024-42154

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.