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ALSA-2026:49871 — Moderate: kernel security, bug fix, and enhancement update

2026-10-03T08:42:17.436017+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: Linux kernel: Denial of Service due to NULL function pointer race in timer shutdown (CVE-2025-68214) * kernel: procfs: avoid fetching build ID while holding VMA lock (CVE-2026-23199)

Bug Fix(es) and Enhancement(s):

* [Lenovo] Graphics not working on T14 G7 Intel (Pantherlake) (JIRA:AlmaLinux-172832) * Possible regression with FM350GL [almalinux-10.2.z] (JIRA:AlmaLinux-184266) * [10.2 FEAT] CNB102: dpll: sync with upstream (JIRA:AlmaLinux-211011) * backport make module and modules-core provides use variant [almalinux-10.2.z] (JIRA:AlmaLinux-213965)

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.

bdu:2026-12161

2026-10-03T08:42:17.436161+00:00

bdu:2026-12161

BELL-CVE-2026-23199

2026-10-03T08:42:17.436180+00:00

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

certfr-2026-avi-0192 — De multiples vulnérabilités ont été découvertes dans le noyau Linux de Debian. Certaines d'entre elles permettent à un…

2026-10-03T08:42:17.436200+00:00

certfr-2026-avi-0192

EUVD-2026-315404

2026-10-03T08:42:17.436216+00:00

EUVD-2026-315404

fkie_cve-2026-23199

2026-10-03T08:42:17.436227+00:00

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

procfs: avoid fetching build ID while holding VMA lock

Fix PROCMAP_QUERY to fetch optional build ID only after dropping mmap_lock or per-VMA lock, whichever was used to lock VMA under question, to avoid deadlock reported by syzbot:

-> #1 (&mm->mmap_lock){++++}-{4:4}: __might_fault+0xed/0x170 _copy_to_iter+0x118/0x1720 copy_page_to_iter+0x12d/0x1e0 filemap_read+0x720/0x10a0 blkdev_read_iter+0x2b5/0x4e0 vfs_read+0x7f4/0xae0 ksys_read+0x12a/0x250 do_syscall_64+0xcb/0xf80 entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #0 (&sb->s_type->i_mutex_key#8){++++}-{4:4}: __lock_acquire+0x1509/0x26d0 lock_acquire+0x185/0x340 down_read+0x98/0x490 blkdev_read_iter+0x2a7/0x4e0 __kernel_read+0x39a/0xa90 freader_fetch+0x1d5/0xa80 __build_id_parse.isra.0+0xea/0x6a0 do_procmap_query+0xd75/0x1050 procfs_procmap_ioctl+0x7a/0xb0 __x64_sys_ioctl+0x18e/0x210 do_syscall_64+0xcb/0xf80 entry_SYSCALL_64_after_hwframe+0x77/0x7f

other info that might help us debug this:

Possible unsafe locking scenario:

CPU0 CPU1 ---- ---- rlock(&mm->mmap_lock); lock(&sb->s_type->i_mutex_key#8); lock(&mm->mmap_lock); rlock(&sb->s_type->i_mutex_key#8);

*** DE…

GHSA-hjgx-24cq-764x

2026-10-03T08:42:17.436275+00:00

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

procfs: avoid fetching build ID while holding VMA lock

Fix PROCMAP_QUERY to fetch optional build ID only after dropping mmap_lock or per-VMA lock, whichever was used to lock VMA under question, to avoid deadlock reported by syzbot:

other info that might help us debug this:

Possible unsafe locking scenario:

CPU0 CPU1 ---- ---- rlock(&mm->mmap_lock); lock(&sb->s_type->i_mutex_key#8); lock(&mm->mmap_lock); rlock(&sb->s_type->i_mutex_key#8);

*** DE…

RHSA-2026:49871 — Red Hat Security Advisory: kernel security, bug fix, and enhancement update

2026-10-03T08:42:17.436312+00:00

kernel: Linux kernel: Denial of Service due to NULL function pointer race in timer shutdown kernel: procfs: avoid fetching build ID while holding VMA lock

RLSA-2026:49871 — Moderate: kernel security, bug fix, and enhancement update

2026-10-03T08:42:17.436334+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: Linux kernel: Denial of Service due to NULL function pointer race in timer shutdown (CVE-2025-68214)

* kernel: procfs: avoid fetching build ID while holding VMA lock (CVE-2026-23199)

Bug Fix(es) and Enhancement(s):

* [Lenovo] Graphics not working on T14 G7 Intel (Pantherlake) (JIRA:Rocky Linux-172832)

* Possible regression with FM350GL [rhel-10.2.z] (JIRA:Rocky Linux-184266)

* [10.2 FEAT] CNB102: dpll: sync with upstream (JIRA:Rocky Linux-211011)

* backport make module and modules-core provides use variant [rhel-10.2.z] (JIRA:Rocky Linux-213965)

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.

UBUNTU-CVE-2026-23199

2026-10-03T08:42:17.436364+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 106 more

In the Linux kernel, the following vulnerability has been resolved: procfs: avoid fetching build ID while holding VMA lock Fix PROCMAP_QUERY to fetch optional build ID only after dropping mmap_lock or per-VMA lock, whichever was used to lock VMA under question, to avoid deadlock reported by syzbot: -> #1 (&mm->mmap_lock){++++}-{4:4}: __might_fault+0xed/0x170 _copy_to_iter+0x118/0x1720 copy_page_to_iter+0x12d/0x1e0 filemap_read+0x720/0x10a0 blkdev_read_iter+0x2b5/0x4e0 vfs_read+0x7f4/0xae0 ksys_read+0x12a/0x250 do_syscall_64+0xcb/0xf80 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&sb->s_type->i_mutex_key#8){++++}-{4:4}: __lock_acquire+0x1509/0x26d0 lock_acquire+0x185/0x340 down_read+0x98/0x490 blkdev_read_iter+0x2a7/0x4e0 __kernel_read+0x39a/0xa90 freader_fetch+0x1d5/0xa80 __build_id_parse.isra.0+0xea/0x6a0 do_procmap_query+0xd75/0x1050 procfs_procmap_ioctl+0x7a/0xb0 __x64_sys_ioctl+0x18e/0x210 do_syscall_64+0xcb/0xf80 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- rlock(&mm->mmap_lock); lock(&sb->s_type->i_mutex_key#8); lock(&mm->mmap_lock); rlock(&sb->s_type->i_mutex_key#8); *** DEADLOCK *…

WID-SEC-W-2026-0421 — Linux Kernel: Mehrere Schwachstellen

2026-10-03T08:42:17.436585+00:00

Ein Angreifer kann mehrere Schwachstellen im Linux-Kernel ausnutzen, um nicht näher spezifizierte Angriffe durchzuführen, die möglicherweise zu einer Denial-of-Service- Bedingung führen oder eine Speicherbeschädigung verursachen können.