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ALSA-2026:66324 — Important: kernel-rt security, bug fix, and enhancement update

2026-10-03T23:05:55.704959+00:00

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: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset (CVE-2025-68745) * kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149) * kernel: netfilter: nf_log: validate MAC header was set before dumping it (CVE-2026-52942) * kernel: sctp: diag: reject stale associations in dump_one path (CVE-2026-52917) * kernel: net: pull headers in qdisc_pkt_len_segs_init() (CVE-2026-53091) * kernel: netfilter: nf_conntrack_sip: don't use simple_strtoul (CVE-2026-52986) * kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (CVE-2026-53246) * kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (CVE-2026-63801) * kernel: sctp: fix race between sctp_wait_for_connect and peeloff (CVE-2026-63971) * kernel: security/keys: fix missed RCU read section on lookup (CVE-2026-64015) * kernel: ixgbevf: fix use-after-free in VEPA multicast source pruning (CVE-2026-64113) * kernel: sctp: fix auth_hmacs array size in struct sctp_cookie (CVE-2026-68376) * kernel: tipc: clear sock->sk on the failed-insert path in tipc_sk_create() (CVE-2026-68117) * kernel: sctp: auth: verify auth requirement when auth_chunk is NULL (CVE-2026-68300) * kernel: sctp: validate stream count i…

bdu:2026-13897

2026-10-03T23:05:55.705087+00:00

bdu:2026-13897

BELL-CVE-2026-52917

2026-10-03T23:05:55.705111+00:00

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

certfr-2026-avi-0862 — De multiples vulnérabilités ont été découvertes dans le noyau Linux de Debian LTS. Certaines d'entre elles permettent à…

2026-10-03T23:05:55.705136+00:00

certfr-2026-avi-0862

EUVD-2026-348091

2026-10-03T23:05:55.705154+00:00

EUVD-2026-348091

fkie_cve-2026-52917

2026-10-03T23:05:55.705167+00:00

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

sctp: diag: reject stale associations in dump_one path

The SCTP exact sock_diag lookup can hold a transport reference, block on lock_sock(sk), and then resume after sctp_association_free() has marked the association dead and freed its bind address list.

When that happens, inet_assoc_attr_size() and inet_diag_msg_sctpasoc_fill() can still dereference association state that is no longer valid for reporting. In particular, inet_diag_msg_sctpasoc_fill() may read an empty bind-address list as a real sctp_sockaddr_entry and trigger an out-of-bounds read from unrelated association memory.

Reject the association after taking the socket lock if it has been reaped or detached from the endpoint, and report the lookup as stale. This keeps the exact dump-one path from formatting torn association state.

GHSA-fcw9-vwjp-9j4v

2026-10-03T23:05:55.705199+00:00

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

sctp: diag: reject stale associations in dump_one path

The SCTP exact sock_diag lookup can hold a transport reference, block on lock_sock(sk), and then resume after sctp_association_free() has marked the association dead and freed its bind address list.

msrc_CVE-2026-52917 — sctp: diag: reject stale associations in dump_one path

2026-10-03T23:05:55.705221+00:00

msrc_CVE-2026-52917

OESA-2026-3702 — kernel security update

2026-10-03T23:05:55.705239+00:00

Affected: openEuler:22.03-LTS-SP4: kernel

The Linux Kernel, the operating system core itself. Security Fix(es):

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

net/9p: fix double req put in p9_fd_cancelled

Syzkaller reports a KASAN issue as below:

general protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0xdead000000000108-0xdead00000000010f] CPU: 0 PID: 5083 Comm: syz-executor.2 Not tainted 6.1.134-syzkaller-00037-g855bd1d7d838 #0 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__list_del include/linux/list.h:114 [inline] RIP: 0010:__list_del_entry include/linux/list.h:137 [inline] RIP: 0010:list_del include/linux/list.h:148 [inline] RIP: 0010:p9_fd_cancelled+0xe9/0x200 net/9p/trans_fd.c:734

Call Trace: <TASK> p9_client_flush+0x351/0x440 net/9p/client.c:614 p9_client_rpc+0xb6b/0xc70 net/9p/client.c:734 p9_client_version net/9p/client.c:920 [inline] p9_client_create+0xb51/0x1240 net/9p/client.c:1027 v9fs_session_init+0x1f0/0x18f0 fs/9p/v9fs.c:408 v9fs_mount+0xba/0xcb0 fs/9p/vfs_super.c:126 legacy_get_tree+0x108/0x220 fs/fs_context.c:632 vfs_get_tree+0x8e/0x300 fs/super.c:1573 do_new_mount fs/namespace.c:3056 [inline] path_mount+0x6a6/0x1e90 fs/namespace.c:3386 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount fs/namespace.c:3584 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:358…

RHSA-2026:66324 — Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

2026-10-03T23:05:55.705442+00:00

kernel: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() kernel: sctp: diag: reject stale associations in dump_one path kernel: netfilter: nf_log: validate MAC header was set before dumping it kernel: netfilter: nf_conntrack_sip: don't use simple_strtoul kernel: net: pull headers in qdisc_pkt_len_segs_init() kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done kernel: sctp: fix race between sctp_wait_for_connect and peeloff kernel: security/keys: fix missed RCU read section on lookup kernel: ixgbevf: fix use-after-free in VEPA multicast source pruning kernel: tipc: clear sock->sk on the failed-insert path in tipc_sk_create() kernel: sctp: auth: verify auth requirement when auth_chunk is NULL kernel: sctp: validate stream count in sctp_process_strreset_inreq() kernel: sctp: fix auth_hmacs array size in struct sctp_cookie

RHSA-2026:66325 — Red Hat Security Advisory: kernel security, bug fix, and enhancement update

2026-10-03T23:05:55.705492+00:00

RLSA-2026:66324 — Important: kernel-rt security, bug fix, and enhancement update

2026-10-03T23:05:55.705540+00:00

Affected: Rocky Linux:8: kernel-rt

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: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset (CVE-2025-68745)

* kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149)

* kernel: netfilter: nf_log: validate MAC header was set before dumping it (CVE-2026-52942)

* kernel: sctp: diag: reject stale associations in dump_one path (CVE-2026-52917)

* kernel: net: pull headers in qdisc_pkt_len_segs_init() (CVE-2026-53091)

* kernel: netfilter: nf_conntrack_sip: don't use simple_strtoul (CVE-2026-52986)

* kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (CVE-2026-53246)

* kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (CVE-2026-63801)

* kernel: sctp: fix race between sctp_wait_for_connect and peeloff (CVE-2026-63971)

* kernel: security/keys: fix missed RCU read section on lookup (CVE-2026-64015)

* kernel: ixgbevf: fix use-after-free in VEPA multicast source pruning (CVE-2026-64113)

* kernel: sctp: fix auth_hmacs array size in struct sctp_cookie (CVE-2026-68376)

* kernel: tipc: clear sock->sk on the failed-insert path in tipc_sk_create() (CVE-2026-68117)

* kernel: sctp: auth: verify auth requirement when auth_chunk is NULL (CVE-2026-68300)

* kernel: sctp: validate stream count in sctp_process_strre…

UBUNTU-CVE-2026-52917

2026-10-03T23:05:55.705585+00:00

Affected: Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe, Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:Pro:16.04:LTS: linux-oracle, Ubuntu:Pro:18.04:LTS: linux, Ubuntu:Pro:18.04:LTS: linux-aws, Ubuntu:18.04:LTS: linux-aws-5.0 and 248 more

In the Linux kernel, the following vulnerability has been resolved: sctp: diag: reject stale associations in dump_one path The SCTP exact sock_diag lookup can hold a transport reference, block on lock_sock(sk), and then resume after sctp_association_free() has marked the association dead and freed its bind address list. When that happens, inet_assoc_attr_size() and inet_diag_msg_sctpasoc_fill() can still dereference association state that is no longer valid for reporting. In particular, inet_diag_msg_sctpasoc_fill() may read an empty bind-address list as a real sctp_sockaddr_entry and trigger an out-of-bounds read from unrelated association memory. Reject the association after taking the socket lock if it has been reaped or detached from the endpoint, and report the lookup as stale. This keeps the exact dump-one path from formatting torn association state.

WID-SEC-W-2026-2056 — Linux Kernel: Mehrere Schwachstellen

2026-10-03T23:05:55.706094+00:00

Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial-of-Service-Angriff auszulösen oder andere, nicht näher spezifizierte Angriffe durchzuführen.