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ALSA-2026:71016 — Important: kernel-rt security, bug fix, and enhancement update

Affected: AlmaLinux:8: kernel-rt, AlmaLinux:8: kernel-rt-core, AlmaLinux:8: kernel-rt-debug, AlmaLinux:8: kernel-rt-debug-core, AlmaLinux:8: kernel-rt-debug-devel, AlmaLinux:8: kernel-rt-debug-modules, AlmaLinux:8: kernel-rt-debug-modules-extra, AlmaLinux:8: kernel-rt-devel, AlmaLinux:8: kernel-rt-modules, AlmaLinux:8: kernel-rt-modules-extra

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* kernel: drm/amdgpu: Fix use-after-free race in VM acquire (CVE-2026-43370) * kernel: mac802154: llsec: add skb_cow_data() before in-place crypto (CVE-2026-63831) * kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing (CVE-2026-64564) * kernel: ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control (CVE-2026-72261) * kernel: xfrm: ah6: validate routing header segments_left (CVE-2026-80844) * kernel: net: tun: bound receive headroom (CVE-2026-81000) * kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read (CVE-2026-89846)

Bug Fix(es) and Enhancement(s):

* sctp: prevent peer transport count overflow [almalinux-8.10.z] (JIRA:AlmaLinux-216297)

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.

BELL-CVE-2026-72261

Affected: Alpaquita:23: linux-lts, Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts

certfr-2026-avi-1230 — De multiples vulnérabilités ont été découvertes dans le noyau Linux de Red Hat. Certaines d'entre elles permettent à un…

certfr-2026-avi-1230

EUVD-2026-353994

fkie_cve-2026-72261

In the Linux kernel, the following vulnerability has been resolved:

ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control

In snd_sof_update_control(), firmware-provided cdata->num_elems is checked against local_cdata->data->size but never against the actual allocation size. If local_cdata->data->size was previously set to an inconsistent value, the memcpy could write past the allocated buffer.

Add a bounds check to ensure num_elems fits within the available space in the ipc_control_data allocation before copying.

GHSA-rv5q-q8w5-hj4r

In the Linux kernel, the following vulnerability has been resolved:

ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control

Add a bounds check to ensure num_elems fits within the available space in the ipc_control_data allocation before copying.

RHSA-2026:71016 — Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

kernel: drm/amdgpu: Fix use-after-free race in VM acquire kernel: mac802154: llsec: add skb_cow_data() before in-place crypto kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing kernel: ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control kernel: xfrm: ah6: validate routing header segments_left kernel: net: tun: bound receive headroom kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read

RHSA-2026:71232 — Red Hat Security Advisory: kernel security, bug fix, and enhancement update

kernel: block: zero non-PI portion of auto integrity buffer kernel: af_unix: Drop all SCM attributes for SOCKMAP kernel: blk-cgroup: fix UAF in __blkcg_rstat_flush() kernel: mac802154: llsec: add skb_cow_data() before in-place crypto kernel: block: don't overwrite bip_vcnt in bio_integrity_copy_user() kernel: smb: client: fix double-free in SMB2_flush() replay kernel: nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing kernel: ALSA: timer: drain a slave's callback before its master detaches it kernel: ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control kernel: xfrm: ah6: validate routing header segments_left kernel: net: tun: bound receive headroom kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read

RLSA-2026:71232 — Important: kernel security, bug fix, and enhancement update

Affected: Rocky Linux:9: kernel

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

Security Fix(es):

* kernel: block: zero non-PI portion of auto integrity buffer (CVE-2026-23007)

* kernel: af_unix: Drop all SCM attributes for SOCKMAP (CVE-2026-53005)

* kernel: mac802154: llsec: add skb_cow_data() before in-place crypto (CVE-2026-63831)

* kernel: blk-cgroup: fix UAF in __blkcg_rstat_flush() (CVE-2026-63802)

* kernel: block: don't overwrite bip_vcnt in bio_integrity_copy_user() (CVE-2026-64053)

* kernel: smb: client: fix double-free in SMB2_flush() replay (CVE-2026-64383)

* kernel: nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path (CVE-2026-64534)

* kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing (CVE-2026-64564)

* kernel: ALSA: timer: drain a slave's callback before its master detaches it (CVE-2026-68201)

* kernel: ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control (CVE-2026-72261)

* kernel: xfrm: ah6: validate routing header segments_left (CVE-2026-80844)

* kernel: net: tun: bound receive headroom (CVE-2026-81000)

* kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read (CVE-2026-89846)

Bug Fix(es) and Enhancement(s):

* sctp: prevent peer transport count overflow [rhel-9.8.z] (JIRA:Rocky Linux-216251)

* netfilter: nftables CVE and memory safety backports for 9.8 (JIRA:Rocky Linux-236634)

For more details about the security issue(s), including the impact, a CVSS score, acknowl…

UBUNTU-CVE-2026-72261

Affected: Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 154 more

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control In snd_sof_update_control(), firmware-provided cdata->num_elems is checked against local_cdata->data->size but never against the actual allocation size. If local_cdata->data->size was previously set to an inconsistent value, the memcpy could write past the allocated buffer. Add a bounds check to ensure num_elems fits within the available space in the ipc_control_data allocation before copying.

WID-SEC-W-2026-2852 — Linux Kernel: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um root Rechte zu erlangen, um einen Denial of Service herbeizuführen oder einen nicht näher spezifizierten Angriff durchzuführen.