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Medium ALSA-2024:10281 4 CVEs

Moderate: kernel:4.18.0 security update

Published Nov 26, 2024 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

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

Security Fix(es):

* kernel: media: edia: dvbdev: fix a use-after-free (CVE-2024-27043)
* kernel: Bluetooth: l2cap: fix null-ptr-deref in l2cap_chan_timeout (CVE-2024-27399)
* kernel: bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE (CVE-2024-38564)
* kernel: mptcp: pm: Fix uaf in __timer_delete_sync (CVE-2024-46858)

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.

Fixed packages 25

ReleasePackageFixed in
AlmaLinux · 8 bpftool 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-abi-stablelists 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-core 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-cross-headers 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-debug 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-debug-core 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-debug-devel 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-debug-modules 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-debug-modules-extra 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-devel 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-doc 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-headers 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-modules 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-modules-extra 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-tools 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-tools-libs 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-tools-libs-devel 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-zfcpdump 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-core 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-devel 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-modules 4.18.0-553.30.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-modules-extra 4.18.0-553.30.1.el8_10
AlmaLinux · 8 perf 4.18.0-553.30.1.el8_10
AlmaLinux · 8 python3-perf 4.18.0-553.30.1.el8_10

Vulnerabilities 4

  • High 8.1
    CVE-2024-46858

    mptcp: pm: Fix uaf in __timer_delete_sync

    In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: Fix uaf in __timer_delete_sync There are two paths to access mptcp_pm_del_add_timer, result in a race condition: CPU1 CPU2 ==== ==== net_rx_action napi_poll netlink_sendmsg __napi_…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2024-27043

    media: edia: dvbdev: fix a use-after-free

    In the Linux kernel, the following vulnerability has been resolved: media: edia: dvbdev: fix a use-after-free In dvb_register_device, *pdvbdev is set equal to dvbdev, which is freed in several error-handling paths. However, *pdvbdev is not set to NULL after d…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2024-38564

    bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE

    In the Linux kernel, the following vulnerability has been resolved: bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE bpf_prog_attach uses attach_type_to_prog_type to enforce proper attach type for BPF_PROG_TYPE_CGROUP_SKB. link_cre…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2024-27399

    Bluetooth: l2cap: fix null-ptr-deref in l2cap_chan_timeout

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: l2cap: fix null-ptr-deref in l2cap_chan_timeout There is a race condition between l2cap_chan_timeout() and l2cap_chan_del(). When we use l2cap_chan_del() to delete the channel, the…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • report
    https://access.redhat.com/security/cve/CVE-2024-27043
  • report
    https://access.redhat.com/security/cve/CVE-2024-27399
  • report
    https://access.redhat.com/security/cve/CVE-2024-38564
  • report
    https://access.redhat.com/security/cve/CVE-2024-46858
  • report
    https://bugzilla.redhat.com/2278445
  • report
    https://bugzilla.redhat.com/2280462
  • report
    https://bugzilla.redhat.com/2293429
  • report
    https://bugzilla.redhat.com/2315210
  • advisory
    https://errata.almalinux.org/8/ALSA-2024-10281.html