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ALSA-2026:45192 — Important: kernel security, bug fix, and enhancement update

2026-10-02T21:40:00.626777+00:00

Affected: AlmaLinux:9: kernel, AlmaLinux:9: kernel-64k, AlmaLinux:9: kernel-64k-core, AlmaLinux:9: kernel-64k-debug, AlmaLinux:9: kernel-64k-debug-core, AlmaLinux:9: kernel-64k-debug-devel, AlmaLinux:9: kernel-64k-debug-devel-matched, AlmaLinux:9: kernel-64k-debug-modules, AlmaLinux:9: kernel-64k-debug-modules-core, AlmaLinux:9: kernel-64k-debug-modules-extra and 64 more

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

Security Fix(es):

* kernel: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026) * kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059) * 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: ipv6: fix possible UAF in icmpv6_rcv() (CVE-2026-53006)

Bug Fix(es) and Enhancement(s):

* scsi device removal may hang from race with error recovery [almalinux-9.8.z] (JIRA:AlmaLinux-187412) * [AlmaLinux9] kvm fixes for 2026-07-21 [almalinux-9.8.z] (JIRA:AlmaLinux-213468)

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:2026-13948

2026-10-02T21:40:00.626955+00:00

bdu:2026-13948

BELL-CVE-2026-53006

2026-10-02T21:40:00.626975+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…

2026-10-02T21:40:00.626998+00:00

certfr-2026-avi-0862

EUVD-2026-369289

2026-10-02T21:40:00.627015+00:00

EUVD-2026-369289

fkie_cve-2026-53006

2026-10-02T21:40:00.627026+00:00

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

ipv6: fix possible UAF in icmpv6_rcv()

Caching saddr and daddr before pskb_pull() is problematic since skb->head can change.

Remove these temporary variables:

- We only access &ipv6_hdr(skb)->saddr and &ipv6_hdr(skb)->daddr when net_dbg_ratelimited() is called in the slow path.

- Avoid potential future misuse after pskb_pull() call.

GHSA-f2fg-xhhc-4m4w

2026-10-02T21:40:00.627054+00:00

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

ipv6: fix possible UAF in icmpv6_rcv()

Caching saddr and daddr before pskb_pull() is problematic since skb->head can change.

Remove these temporary variables:

- We only access &ipv6_hdr(skb)->saddr and &ipv6_hdr(skb)->daddr when net_dbg_ratelimited() is called in the slow path.

- Avoid potential future misuse after pskb_pull() call.

msrc_CVE-2026-53006 — ipv6: fix possible UAF in icmpv6_rcv()

2026-10-02T21:40:00.627074+00:00

msrc_CVE-2026-53006

openSUSE-SU-2026:21555-1 — Security update for the Linux Kernel

2026-10-02T21:40:00.627090+00:00

Security update for the Linux Kernel

RHSA-2026:47010 — Red Hat Security Advisory: kernel-rt security update

2026-10-02T21:40:00.627656+00:00

kernel: ipv6: fix possible UAF in icmpv6_rcv()

RLSA-2026:45192 — Important: kernel security, bug fix, and enhancement update

2026-10-02T21:40:00.627674+00:00

Affected: Rocky Linux:9: kernel

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

Security Fix(es):

* kernel: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026)

* kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059)

* 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: ipv6: fix possible UAF in icmpv6_rcv() (CVE-2026-53006)

Bug Fix(es) and Enhancement(s):

* scsi device removal may hang from race with error recovery [rhel-9.8.z] (JIRA:Rocky Linux-187412)

* [Rocky Linux9] kvm fixes for 2026-07-21 [rhel-9.8.z] (JIRA:Rocky Linux-213468)

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.

SSA-019113 — SSA-019113: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1.6

2026-10-02T21:40:00.627706+00:00

Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.6 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant).

Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

SUSE-SU-2026:23066-1 — Security update for the Linux Kernel

2026-10-02T21:40:00.627928+00:00

Security update for the Linux Kernel

UBUNTU-CVE-2026-53006

2026-10-02T21:40:00.628363+00:00

Affected: Ubuntu:Pro:14.04:LTS: linux-aws, Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:14.04:LTS: linux-lts-xenial, Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:16.04:LTS: linux-aws, 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 and 252 more

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible UAF in icmpv6_rcv() Caching saddr and daddr before pskb_pull() is problematic since skb->head can change. Remove these temporary variables: - We only access &ipv6_hdr(skb)->saddr and &ipv6_hdr(skb)->daddr when net_dbg_ratelimited() is called in the slow path. - Avoid potential future misuse after pskb_pull() call.

WID-SEC-W-2026-2077 — Linux Kernel: Mehrere Schwachstellen

2026-10-02T21:40:00.628633+00:00

Ein entfernter Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial-of-Service-Zustand herbeizuführen und weitere, nicht näher spezifizierte Auswirkungen zu erzielen.