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OpenAdvisories
Medium ALSA-2024:3306 5 CVEs

Moderate: kernel security and bug fix update

Published May 23, 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: netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout (CVE-2024-26643)
* kernel: netfilter: nf_tables: disallow anonymous set with timeout flag (CVE-2024-26642)
* kernel: netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations (CVE-2024-26673)
* kernel: net: ip_tunnel: prevent perpetual headroom growth (CVE-2024-26804)

Fixed packages 62

ReleasePackageFixed in
AlmaLinux · 9 bpftool 7.3.0-427.18.1.el9_4
AlmaLinux · 9 kernel 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k-debug 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k-debug-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k-debug-devel 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k-debug-devel-matched 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k-debug-modules 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k-debug-modules-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k-debug-modules-extra 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k-devel 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k-devel-matched 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k-modules 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k-modules-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-64k-modules-extra 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-abi-stablelists 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-cross-headers 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-debug 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-debug-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-debug-devel 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-debug-devel-matched 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-debug-modules 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-debug-modules-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-debug-modules-extra 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-debug-uki-virt 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-devel 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-devel-matched 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-doc 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-headers 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-modules 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-modules-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-modules-extra 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-rt 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-rt-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-rt-debug 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-rt-debug-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-rt-debug-devel 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-rt-debug-modules 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-rt-debug-modules-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-rt-debug-modules-extra 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-rt-devel 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-rt-modules 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-rt-modules-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-rt-modules-extra 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-tools 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-tools-libs 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-tools-libs-devel 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-uki-virt 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-zfcpdump 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-zfcpdump-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-zfcpdump-devel 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-zfcpdump-devel-matched 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-zfcpdump-modules 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-zfcpdump-modules-core 5.14.0-427.18.1.el9_4
AlmaLinux · 9 kernel-zfcpdump-modules-extra 5.14.0-427.18.1.el9_4
AlmaLinux · 9 libperf 5.14.0-427.18.1.el9_4
AlmaLinux · 9 perf 5.14.0-427.18.1.el9_4
AlmaLinux · 9 python3-perf 5.14.0-427.18.1.el9_4
AlmaLinux · 9 rtla 5.14.0-427.18.1.el9_4
AlmaLinux · 9 rv 5.14.0-427.18.1.el9_4

Vulnerabilities 5

  • High 7.8
    CVE-2024-26642

    netfilter: nf_tables: disallow anonymous set with timeout flag

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: disallow anonymous set with timeout flag Anonymous sets are never used with timeout from userspace, reject this. Exception to this rule is NFT_SET_EVAL to ensure legacy …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2024-26643

    netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout While the rhashtable set gc runs asynchronously, a race allows it to collect elements from anonymous sets with…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2024-26804

    net: ip_tunnel: prevent perpetual headroom growth

    In the Linux kernel, the following vulnerability has been resolved: net: ip_tunnel: prevent perpetual headroom growth syzkaller triggered following kasan splat: BUG: KASAN: use-after-free in __skb_flow_dissect+0x19d1/0x7a50 net/core/flow_dissector.c:1170 Read…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2024-35890

    gro: fix ownership transfer

    In the Linux kernel, the following vulnerability has been resolved: gro: fix ownership transfer If packets are GROed with fraglist they might be segmented later on and continue their journey in the stack. In skb_segment_list those skbs can be reused as-is. Th…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2024-26673

    netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations - Disallow families other than NFPROTO_{IPV4,IPV6,INET}. - Disallow layer 4 protocol with no ports, since dest…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • report
    https://bugzilla.redhat.com/2270879
  • report
    https://bugzilla.redhat.com/2270881
  • report
    https://bugzilla.redhat.com/2272816
  • report
    https://bugzilla.redhat.com/2273423
  • advisory
    https://errata.almalinux.org/9/ALSA-2024-3306.html
  • report
    https://www.redhat.com/security/data/cve/CVE-2024-26642.html
  • report
    https://www.redhat.com/security/data/cve/CVE-2024-26643.html
  • report
    https://www.redhat.com/security/data/cve/CVE-2024-26673.html
  • report
    https://www.redhat.com/security/data/cve/CVE-2024-26804.html
  • report
    https://www.redhat.com/security/data/cve/CVE-2024-35890.html