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ALSA-2026:21557 — Important: kernel security update

2026-10-02T15:27:29.261891+00:00

Affected: AlmaLinux:10: kernel, AlmaLinux:10: kernel-64k, AlmaLinux:10: kernel-64k-core, AlmaLinux:10: kernel-64k-debug, AlmaLinux:10: kernel-64k-debug-core, AlmaLinux:10: kernel-64k-debug-devel, AlmaLinux:10: kernel-64k-debug-devel-matched, AlmaLinux:10: kernel-64k-debug-modules, AlmaLinux:10: kernel-64k-debug-modules-core, AlmaLinux:10: kernel-64k-debug-modules-extra and 65 more

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

Security Fix(es):

* kernel: can: j1939: j1939_session_new(): fix skb reference counting (CVE-2024-56645) * kernel: ima: don't clear IMA_DIGSIG flag when setting or removing non-IMA xattr (CVE-2025-68183) * kernel: mm: thp: deny THP for files on anonymous inodes (CVE-2026-23375) * kernel: netfilter: nf_tables: release flowtable after rcu grace period on error (CVE-2026-23392) * kernel: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() (CVE-2026-23455) * kernel: net: sched: act_csum: validate nested VLAN headers (CVE-2026-31684) * kernel: netfilter: ip6t_eui64: reject invalid MAC header for all packets (CVE-2026-31685) * kernel: netfilter: nf_conntrack_helper: pass helper to expect cleanup (CVE-2026-43027) * kernel: io_uring/rsrc: reject zero-length fixed buffer import (CVE-2026-43006) * kernel: Bluetooth: MGMT: validate LTK enc_size on load (CVE-2026-43020) * kernel: HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq (CVE-2026-43051) * kernel: Bluetooth: SCO: fix race conditions in sco_sock_connect() (CVE-2026-43023) * kernel: netfilter: ctnetlink: ensure safe access to master conntrack (CVE-2026-43116) * kernel: wifi: brcmfmac: validate bsscfg indices in IF events (CVE-2026-43110) * kernel: netfilter: xt_tcpmss: check remaining length before reading optlen (CVE-2026-43190) * kernel: Linux kernel dpaa2-switch: Kernel memory corru…

bdu:2026-11702

2026-10-02T15:27:29.262064+00:00

bdu:2026-11702

BELL-CVE-2026-43205

2026-10-02T15:27:29.262084+00:00

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

certfr-2026-avi-0831 — De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Certaines d'entre elles permettent à un a…

2026-10-02T15:27:29.262107+00:00

certfr-2026-avi-0831

EUVD-2026-315811

2026-10-02T15:27:29.262123+00:00

EUVD-2026-315811

fkie_cve-2026-43205

2026-10-02T15:27:29.262134+00:00

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

dpaa2-switch: validate num_ifs to prevent out-of-bounds write

The driver obtains sw_attr.num_ifs from firmware via dpsw_get_attributes() but never validates it against DPSW_MAX_IF (64). This value controls iteration in dpaa2_switch_fdb_get_flood_cfg(), which writes port indices into the fixed-size cfg->if_id[DPSW_MAX_IF] array. When firmware reports num_ifs >= 64, the loop can write past the array bounds.

Add a bound check for num_ifs in dpaa2_switch_init().

dpaa2_switch_fdb_get_flood_cfg() appends the control interface (port num_ifs) after all matched ports. When num_ifs == DPSW_MAX_IF and all ports match the flood filter, the loop fills all 64 slots and the control interface write overflows by one entry.

The check uses >= because num_ifs == DPSW_MAX_IF is also functionally broken.

build_if_id_bitmap() silently drops any ID >= 64: if (id[i] < DPSW_MAX_IF) bmap[id[i] / 64] |= ...

GHSA-v2hq-m36p-4jr3

2026-10-02T15:27:29.262166+00:00

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

dpaa2-switch: validate num_ifs to prevent out-of-bounds write

Add a bound check for num_ifs in dpaa2_switch_init().

The check uses >= because num_ifs == DPSW_MAX_IF is also functionally broken.

build_if_id_bitmap() silently drops any ID >= 64: if (id[i] < DPSW_MAX_IF) bmap[id[i] / 64] |= ...

openSUSE-SU-2026:21388-1 — Security update for the Linux Kernel

2026-10-02T15:27:29.262190+00:00

Security update for the Linux Kernel

RLSA-2026:21557 — Important: kernel security update

2026-10-02T15:27:29.262347+00:00

Affected: Rocky Linux:10: kernel

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

Security Fix(es):

* kernel: can: j1939: j1939_session_new(): fix skb reference counting (CVE-2024-56645)

* kernel: ima: don't clear IMA_DIGSIG flag when setting or removing non-IMA xattr (CVE-2025-68183)

* kernel: mm: thp: deny THP for files on anonymous inodes (CVE-2026-23375)

* kernel: netfilter: nf_tables: release flowtable after rcu grace period on error (CVE-2026-23392)

* kernel: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() (CVE-2026-23455)

* kernel: net: sched: act_csum: validate nested VLAN headers (CVE-2026-31684)

* kernel: netfilter: ip6t_eui64: reject invalid MAC header for all packets (CVE-2026-31685)

* kernel: netfilter: nf_conntrack_helper: pass helper to expect cleanup (CVE-2026-43027)

* kernel: io_uring/rsrc: reject zero-length fixed buffer import (CVE-2026-43006)

* kernel: Bluetooth: MGMT: validate LTK enc_size on load (CVE-2026-43020)

* kernel: HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq (CVE-2026-43051)

* kernel: Bluetooth: SCO: fix race conditions in sco_sock_connect() (CVE-2026-43023)

* kernel: netfilter: ctnetlink: ensure safe access to master conntrack (CVE-2026-43116)

* kernel: wifi: brcmfmac: validate bsscfg indices in IF events (CVE-2026-43110)

* kernel: netfilter: xt_tcpmss: check remaining length before reading optlen (CVE-2026-43190)

* kernel: Linux kernel dpaa2-switch: Kernel memory corruption via out-of-boun…

SUSE-SU-2026:22742-1 — Security update for the Linux Kernel

2026-10-02T15:27:29.262391+00:00

Security update for the Linux Kernel

UBUNTU-CVE-2026-43205

2026-10-02T15:27:29.262546+00:00

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 179 more

In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: validate num_ifs to prevent out-of-bounds write The driver obtains sw_attr.num_ifs from firmware via dpsw_get_attributes() but never validates it against DPSW_MAX_IF (64). This value controls iteration in dpaa2_switch_fdb_get_flood_cfg(), which writes port indices into the fixed-size cfg->if_id[DPSW_MAX_IF] array. When firmware reports num_ifs >= 64, the loop can write past the array bounds. Add a bound check for num_ifs in dpaa2_switch_init(). dpaa2_switch_fdb_get_flood_cfg() appends the control interface (port num_ifs) after all matched ports. When num_ifs == DPSW_MAX_IF and all ports match the flood filter, the loop fills all 64 slots and the control interface write overflows by one entry. The check uses >= because num_ifs == DPSW_MAX_IF is also functionally broken. build_if_id_bitmap() silently drops any ID >= 64: if (id[i] < DPSW_MAX_IF) bmap[id[i] / 64] |= ...

WID-SEC-W-2026-1405 — Linux Kernel: Mehrere Schwachstellen

2026-10-02T15:27:29.262780+00:00

Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um nicht spezifizierte Angriffe durchzuführen, möglicherweise Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren oder offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.