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ALSA-2026:27789 Not scored

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: can: isotp: fix tx.buf use-after-free in isotp_sendmsg() (CVE-2026-31474) * kernel: mptcp: fix slab-use-after-free in __inet_lookup_established (CVE-2026-31669) * kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787) * kernel: Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync (CVE-2026-31772) * kernel: bnxt_en: Fix RSS context delete logic (CVE-2026-43260) * kernel: ALSA: usb-audio: Add sanity check for OOB writes at silencing (CVE-2026-43279) * kernel: scsi: qla2xxx: Completely fix fcport double free (CVE-2026-43414) * kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331) * kernel: gfs2: Fix use-after-free in iomap inline data write path (CVE-2026-45984) * kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056) * kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152) * kernel: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (CVE-2026-46117) * kernel: RDMA/mana: Validate rx_hash_key_len (CVE-2026-46145) * kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125) * kernel: exit: prevent preemption of oopsing TASK_DEAD task (CVE-2026-46173) * kernel: wifi: mac80211: use safe list iteration in radar detect work (CVE-2026-46166) * kernel: nvmet-tcp: fix race between ICReq handling and queue teardown (CVE-2026-46135) Bug Fix(es) and Enhancement(s): * AlmaLinux9.4 - s390/ap: Expose ap_bindings_complete_count counter via sysfs [almalinux-9.8.z] (JIRA:AlmaLinux-166048) * [AlmaLinux 9.8] Hung tasks during both suspend and hibernate operations on systems with Intel E810 NICs [almalinux-9.8.z] (JIRA:AlmaLinux-175699) * DPLL: Add support for pin operational state [almalinux-9.8.z] (JIRA:AlmaLinux-175820) * DPLL: Add support for fractional frequency offset between pin and device [almalinux-9.8.z] (JIRA:AlmaLinux-175823) * ibmveth Adapter Freeze with Small MSS [almalinux-9.8.z] (JIRA:AlmaLinux-178308) * AlmaLinux9.4 - s390/mm: Add missing secure storage access fixups [almalinux-9.8.z] (JIRA:AlmaLinux-183317) * rbd: eliminate a race in lock_dwork draining on unmap [almalinux-9.8.z] (JIRA:AlmaLinux-183130) 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.

Exploit probability Not scored
Published June 22, 2026
Required by Not available
Last source change June 23, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:9 kernel-headers
AlmaLinux:9 kernel-rt-64k-devel
AlmaLinux:9 kernel-uki-virt-addons
AlmaLinux:9 kernel-64k-debug-devel
AlmaLinux:9 kernel-debug-modules-core
AlmaLinux:9 kernel-rt-64k-modules-extra
AlmaLinux:9 kernel-rt-modules-extra
AlmaLinux:9 kernel-rt-debug-devel
AlmaLinux:9 kernel-64k-modules-core
AlmaLinux:9 kernel-rt-64k-modules-core
AlmaLinux:9 kernel-debug-modules-extra
AlmaLinux:9 python3-perf
AlmaLinux:9 kernel-rt-64k-debug-modules-extra
AlmaLinux:9 kernel-rt-64k-core
AlmaLinux:9 kernel-debug-devel
AlmaLinux:9 kernel-rt-debug-modules-extra
AlmaLinux:9 kernel-core
AlmaLinux:9 kernel-rt-64k-modules
AlmaLinux:9 kernel-64k-debug-modules-core
AlmaLinux:9 kernel-rt-64k-debug-devel
AlmaLinux:9 kernel-devel
AlmaLinux:9 kernel-64k-debug
AlmaLinux:9 kernel-zfcpdump-devel-matched
AlmaLinux:9 kernel-cross-headers
AlmaLinux:9 kernel-doc
AlmaLinux:9 kernel-abi-stablelists
AlmaLinux:9 rtla
AlmaLinux:9 kernel-zfcpdump-modules-extra
AlmaLinux:9 kernel-rt-devel
AlmaLinux:9 kernel-tools
AlmaLinux:9 kernel-rt-64k-debug
AlmaLinux:9 kernel-rt-debug-core
AlmaLinux:9 kernel-modules-core
AlmaLinux:9 kernel-64k-debug-core
AlmaLinux:9 kernel-rt-64k-debug-modules-core
AlmaLinux:9 kernel-64k-debug-modules-extra
AlmaLinux:9 kernel-debug-uki-virt
AlmaLinux:9 kernel-modules-extra
AlmaLinux:9 kernel-zfcpdump-modules-core
AlmaLinux:9 kernel-zfcpdump-devel
AlmaLinux:9 kernel-modules
AlmaLinux:9 kernel-rt-debug-modules-core
AlmaLinux:9 kernel-debug-modules
AlmaLinux:9 kernel-debug
AlmaLinux:9 kernel-debug-core
AlmaLinux:9 kernel-rt-core
AlmaLinux:9 kernel-debug-devel-matched
AlmaLinux:9 kernel-64k-devel
AlmaLinux:9 kernel-tools-libs-devel
AlmaLinux:9 kernel-rt-debug
AlmaLinux:9 kernel-64k-devel-matched
AlmaLinux:9 kernel-zfcpdump
AlmaLinux:9 kernel-rt-64k-debug-core
AlmaLinux:9 perf
AlmaLinux:9 kernel-rt-debug-modules
AlmaLinux:9 kernel-devel-matched
AlmaLinux:9 kernel-rt-modules
AlmaLinux:9 kernel
AlmaLinux:9 libperf
AlmaLinux:9 kernel-rt
AlmaLinux:9 kernel-64k-modules-extra
AlmaLinux:9 kernel-uki-virt
AlmaLinux:9 kernel-rt-64k-debug-modules
AlmaLinux:9 kernel-64k-debug-devel-matched
AlmaLinux:9 kernel-zfcpdump-core
AlmaLinux:9 kernel-zfcpdump-modules
AlmaLinux:9 rv
AlmaLinux:9 kernel-rt-64k
AlmaLinux:9 kernel-rt-modules-core
AlmaLinux:9 kernel-tools-libs
AlmaLinux:9 kernel-64k-debug-modules
AlmaLinux:9 kernel-64k-modules
AlmaLinux:9 kernel-64k-core
AlmaLinux:9 kernel-64k

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2026:27789

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: can: isotp: fix tx.buf use-after-free in isotp_sendmsg() (CVE-2026-31474) * kernel: mptcp: fix slab-use-after-free in __inet_lookup_established (CVE-2026-31669) * kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787) * kernel: Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync (CVE-2026-31772) * kernel: bnxt_en: Fix RSS context delete logic (CVE-2026-43260) * kernel: ALSA: usb-audio: Add sanity check for OOB writes at silencing (CVE-2026-43279) * kernel: scsi: qla2xxx: Completely fix fcport double free (CVE-2026-43414) * kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331) * kernel: gfs2: Fix use-after-free in iomap inline data write path (CVE-2026-45984) * kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056) * kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152) * kernel: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (CVE-2026-46117) * kernel: RDMA/mana: Validate rx_hash_key_len (CVE-2026-46145) * kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125) * kernel: exit: prevent preemption of oopsing TASK_DEAD task (CVE-2026-46173) * kernel: wifi: mac80211: use safe list iteration in radar detect work (CVE-2026-46166) * kernel: nvmet-tcp: fix race between ICReq handling and queue teardown (CVE-2026-46135) Bug Fix(es) and Enhancement(s): * AlmaLinux9.4 - s390/ap: Expose ap_bindings_complete_count counter via sysfs [almalinux-9.8.z] (JIRA:AlmaLinux-166048) * [AlmaLinux 9.8] Hung tasks during both suspend and hibernate operations on systems with Intel E810 NICs [almalinux-9.8.z] (JIRA:AlmaLinux-175699) * DPLL: Add support for pin operational state [almalinux-9.8.z] (JIRA:AlmaLinux-175820) * DPLL: Add support for fractional frequency offset between pin and device [almalinux-9.8.z] (JIRA:AlmaLinux-175823) * ibmveth Adapter Freeze with Small MSS [almalinux-9.8.z] (JIRA:AlmaLinux-178308) * AlmaLinux9.4 - s390/mm: Add missing secure storage access fixups [almalinux-9.8.z] (JIRA:AlmaLinux-183317) * rbd: eliminate a race in lock_dwork draining on unmap [almalinux-9.8.z] (JIRA:AlmaLinux-183130) 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.

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05 / REFERENCES

Further evidence