RHSA-2024:6993HighCVSS 7.1

Red Hat Security Advisory: kernel security update

Published
September 24, 2024
Last Modified
August 19, 2026

🔗 CVE IDs covered (38)

CVE-2024-42154 →CVE-2021-47356 →CVE-2023-52784 →CVE-2024-26772 →CVE-2024-26851 →CVE-2024-27019 →CVE-2024-41093 →CVE-2021-47352 →CVE-2024-41071 · pendingCVE-2024-36016 →CVE-2024-36929 →CVE-2021-47384 →CVE-2023-52811 →CVE-2023-52864 →CVE-2024-26665 →CVE-2024-27020 →CVE-2024-35969 →CVE-2022-48638 →CVE-2024-35898 →CVE-2024-38598 →CVE-2024-26923 →CVE-2024-27399 →CVE-2024-36005 →CVE-2024-36978 →CVE-2024-41041 →CVE-2024-26698 →CVE-2024-26826 →CVE-2024-38573 →CVE-2024-41044 →CVE-2024-36270 →CVE-2021-47468 →CVE-2023-52434 →CVE-2024-38615 →CVE-2021-47566 →CVE-2023-52439 →CVE-2023-52522 →CVE-2024-26908 · pendingCVE-2024-40995 →

📋 Description

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

🎯 Affected products122

  • Red Hat CodeReady Linux Builder EUS (v.8.8)
  • Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • bpftool-0:4.18.0-477.74.1.el8_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • bpftool-0:4.18.0-477.74.1.el8_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • bpftool-0:4.18.0-477.74.1.el8_8.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • bpftool-0:4.18.0-477.74.1.el8_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • bpftool-debuginfo-0:4.18.0-477.74.1.el8_8.aarch64 as a component of Red Hat CodeReady Linux Builder EUS (v.8.8)
  • bpftool-debuginfo-0:4.18.0-477.74.1.el8_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • bpftool-debuginfo-0:4.18.0-477.74.1.el8_8.ppc64le as a component of Red Hat CodeReady Linux Builder EUS (v.8.8)
  • bpftool-debuginfo-0:4.18.0-477.74.1.el8_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • bpftool-debuginfo-0:4.18.0-477.74.1.el8_8.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • bpftool-debuginfo-0:4.18.0-477.74.1.el8_8.x86_64 as a component of Red Hat CodeReady Linux Builder EUS (v.8.8)
  • bpftool-debuginfo-0:4.18.0-477.74.1.el8_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-0:4.18.0-477.74.1.el8_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-0:4.18.0-477.74.1.el8_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-0:4.18.0-477.74.1.el8_8.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-0:4.18.0-477.74.1.el8_8.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-0:4.18.0-477.74.1.el8_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-abi-stablelists-0:4.18.0-477.74.1.el8_8.noarch as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-core-0:4.18.0-477.74.1.el8_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-core-0:4.18.0-477.74.1.el8_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-core-0:4.18.0-477.74.1.el8_8.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-core-0:4.18.0-477.74.1.el8_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-debug-0:4.18.0-477.74.1.el8_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-debug-0:4.18.0-477.74.1.el8_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-debug-0:4.18.0-477.74.1.el8_8.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-debug-0:4.18.0-477.74.1.el8_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-debug-core-0:4.18.0-477.74.1.el8_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-debug-core-0:4.18.0-477.74.1.el8_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • kernel-debug-core-0:4.18.0-477.74.1.el8_8.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.8)
  • +92 more not shown

✅ Remediation

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. Workaround: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible. Workaround: To mitigate this issue, prevent module cifs from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. Workaround: To mitigate this issue, prevent module uio from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Workaround: There are no known mitigations to this issue and updating to the latest Linux kernel version is recommended to address this vulnerability​. Workaround: To mitigate this issue, prevent module sch_multiq from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. Workaround: There are no mitigations for the flaw. Please update your system for fixes.

🔗 References (41)