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ALSA-2026:42919 — Important: kernel security, bug fix, and enhancement update

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: crypto: af_alg - zero initialize memory allocated via sock_kmalloc (CVE-2025-71113) * kernel: Linux kernel: Denial of Service due to memory leak in tpm2_load_cmd (CVE-2025-71147) * kernel: flex_proportions: make fprop_new_period() hardirq safe (CVE-2026-23168) * kernel: cxl/port: Fix use after free of parent_port in cxl_detach_ep() (CVE-2026-31530) * kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116) * kernel: fanotify: fix false positive on permission events (CVE-2026-46150) * kernel: drm: Set old handle to NULL before prime swap in change_handle (CVE-2026-46215) * kernel: drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl() (CVE-2026-52976) * kernel: drm/xe/dma-buf: fix UAF with retry loop (CVE-2026-52950) * kernel: ice: fix double-free of tx_buf skb (CVE-2026-53009) * kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071) * kernel: can: bcm: thrtimer use-after-free during RX operation teardown ()

Bug Fix(es) and Enhancement(s):

* nfsd_file slab cache objects remaining on kmem_cache_shutdown during nfsd teardown while running bz1477872 testcase (JIRA:AlmaLinux-173103) * tools/lib/perf/Makefile: libperf includes appended after CFLAGS causes parallel build race, breaking kernel builds [almalinux-10.2.z] (JIRA:AlmaLinux-183975) * [AlmaLinux10-de…

bdu:2026-09285

BELL-CVE-2026-46215

Affected: Alpaquita:stream: linux-lts

certfr-2026-avi-0926 — De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Certaines d'entre elles permettent à un a…

certfr-2026-avi-0926

EUVD-2026-348045

fkie_cve-2026-46215

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

drm: Set old handle to NULL before prime swap in change_handle

There was a potential race condition in change_handle. The ioctl briefly had a single object with two idr entries; a concurrent gem_close could delete the object and remove one of the handles while leaving the other one dangling, which could subsequently be dereferenced for a use-after-free.

To fix this, do the same dance that gem_close itself does. (f6cd7daecff5 drm: Release driver references to handle before making it available again) First idr_replace the old handle to NULL. Later, if the prime operations are successful, actually close it.

create_tail required a similar dance to avoid a similar problem. (bd46cece51a3 drm/gem: Fix race in drm_gem_handle_create_tail()) It idr_allocs the new handle with NULL, then swaps in the correct object later to avoid races. We don't need to do that here, since the only operations that could race are drm_prime, and change_handle holds the prime lock for the entire duration.

v2: cleanups of error paths

GHSA-gm2j-59pp-6cxj

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

drm: Set old handle to NULL before prime swap in change_handle

v2: cleanups of error paths

openSUSE-SU-2026:10954-1 — kernel-devel-7.0.11-1.1 on GA media

kernel-devel-7.0.11-1.1 on GA media

RLSA-2026:42919 — Important: kernel security, bug fix, and enhancement update

Affected: Rocky Linux:10: kernel

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

Security Fix(es):

* kernel: crypto: af_alg - zero initialize memory allocated via sock_kmalloc (CVE-2025-71113)

* kernel: Linux kernel: Denial of Service due to memory leak in tpm2_load_cmd (CVE-2025-71147)

* kernel: flex_proportions: make fprop_new_period() hardirq safe (CVE-2026-23168)

* kernel: cxl/port: Fix use after free of parent_port in cxl_detach_ep() (CVE-2026-31530)

* kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116)

* kernel: fanotify: fix false positive on permission events (CVE-2026-46150)

* kernel: drm: Set old handle to NULL before prime swap in change_handle (CVE-2026-46215)

* kernel: drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl() (CVE-2026-52976)

* kernel: drm/xe/dma-buf: fix UAF with retry loop (CVE-2026-52950)

* kernel: ice: fix double-free of tx_buf skb (CVE-2026-53009)

* kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071)

* kernel: can: bcm: thrtimer use-after-free during RX operation teardown ()

Bug Fix(es) and Enhancement(s):

* nfsd_file slab cache objects remaining on kmem_cache_shutdown during nfsd teardown while running bz1477872 testcase (JIRA:Rocky Linux-173103)

* tools/lib/perf/Makefile: libperf includes appended after CFLAGS causes parallel build race, breaking kernel builds [rhel-10.2.z] (JIRA:Rocky Linux-183975)

* [Rocky Linux10-debug]: BUG: KASAN: slab-…

UBUNTU-CVE-2026-46215

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: drm: Set old handle to NULL before prime swap in change_handle There was a potential race condition in change_handle. The ioctl briefly had a single object with two idr entries; a concurrent gem_close could delete the object and remove one of the handles while leaving the other one dangling, which could subsequently be dereferenced for a use-after-free. To fix this, do the same dance that gem_close itself does. (f6cd7daecff5 drm: Release driver references to handle before making it available again) First idr_replace the old handle to NULL. Later, if the prime operations are successful, actually close it. create_tail required a similar dance to avoid a similar problem. (bd46cece51a3 drm/gem: Fix race in drm_gem_handle_create_tail()) It idr_allocs the new handle with NULL, then swaps in the correct object later to avoid races. We don't need to do that here, since the only operations that could race are drm_prime, and change_handle holds the prime lock for the entire duration. v2: cleanups of error paths

WID-SEC-W-2026-1700 — Linux Kernel: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder andere nicht näher spezifizierte Auswirkungen zu erzielen.