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ALSA-2026:75746 — Important: kernel-rt security, bug fix, and enhancement update

2026-10-09T01:35:31.418542+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: Use-after-free in xc5000 tuner driver due to race condition (CVE-2025-39994) * kernel: gfs2: Fix unlikely race in gdlm_put_lock (CVE-2025-40242) * kernel: Linux kernel: Denial of Service in RDMA/bnxt_re driver due to race condition during QP destruction (CVE-2023-54048) * kernel: nvme-pci: fix mempool alloc size (CVE-2022-50756) * kernel: Linux kernel: Denial of Service in QFQ scheduler via child qlen manipulation (CVE-2026-23105) * kernel: RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send (CVE-2026-45856) * kernel: gfs2: Fix slab-use-after-free in qd_put (CVE-2026-45861) * kernel: net/sched: act_ct: Only release RCU read lock after ct_ft (CVE-2026-46319) * kernel: gfs2: add some missing log locking (CVE-2026-53049) * kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000 (CVE-2026-52972) * kernel: net/mlx5: Fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list (CVE-2026-53230) * kernel: ipvs: clear the svc scheduler ptr early on edit (CVE-2026-53270) * kernel: net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink (CVE-2026-63829) * kernel: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path (CVE-2026-63794) * kernel: tunnels: do not assume transport header in iptunnel_pmtud_check_icmp() (CVE-2026-63992)…

BELL-CVE-2026-53049

2026-10-09T01:35:31.418674+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…

2026-10-09T01:35:31.418701+00:00

certfr-2026-avi-0862

EUVD-2026-348141

2026-10-09T01:35:31.418721+00:00

EUVD-2026-348141

fkie_cve-2026-53049

2026-10-09T01:35:31.418733+00:00

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

gfs2: add some missing log locking

Function gfs2_logd() calls the log flushing functions gfs2_ail1_start(), gfs2_ail1_wait(), and gfs2_ail1_empty() without holding sdp->sd_log_flush_lock, but these functions require exclusion against concurrent transactions.

To fix that, add a non-locking __gfs2_log_flush() function. Then, in gfs2_logd(), take sdp->sd_log_flush_lock before calling the above mentioned log flushing functions and __gfs2_log_flush().

GHSA-7q4j-gqp5-6p93

2026-10-09T01:35:31.418762+00:00

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

gfs2: add some missing log locking

To fix that, add a non-locking __gfs2_log_flush() function. Then, in gfs2_logd(), take sdp->sd_log_flush_lock before calling the above mentioned log flushing functions and __gfs2_log_flush().

msrc_CVE-2026-53049 — gfs2: add some missing log locking

2026-10-09T01:35:31.418782+00:00

msrc_CVE-2026-53049

OESA-2026-2930 — kernel security update

2026-10-09T01:35:31.418799+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:

wifi: mac80211: check tdls flag in ieee80211_tdls_oper

When NL80211_TDLS_ENABLE_LINK is called, the code only checks if the station exists but not whether it is actually a TDLS station. This allows the operation to proceed for non-TDLS stations, causing unintended side effects like modifying channel context and HT protection before failing.

Add a check for sta->sta.tdls early in the ENABLE_LINK case, before any side effects occur, to ensure the operation is only allowed for actual TDLS peers.(CVE-2026-43052)

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

wifi: brcmfmac: validate bsscfg indices in IF events

brcmf_fweh_handle_if_event() validates the firmware-provided interface index before it touches drvr->iflist[], but it still uses the raw bsscfgidx field as an array index without a matching range check.

Reject IF events whose bsscfg index does not fit in drvr->iflist[] before indexing the interface array.

[add missing wifi prefix](CVE-2026-43110)

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

HID: roccat: fix use-after-free in roccat_report_event

roccat_report_event() iterates over the device->readers list without holding the readers_lock. This allows a concurrent roccat_release() to remove and free a reader while it's still being accessed, leading to a use-after-f…

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

2026-10-09T01:35:31.418950+00:00

Security update for the Linux Kernel

RHSA-2026:75746 — Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

2026-10-09T01:35:31.419100+00:00

kernel: nvme-pci: fix mempool alloc size kernel: Linux kernel: Denial of Service in RDMA/bnxt_re driver due to race condition during QP destruction kernel: Linux kernel: Use-after-free in xc5000 tuner driver due to race condition kernel: gfs2: Fix unlikely race in gdlm_put_lock kernel: Linux kernel: Denial of Service in QFQ scheduler via child qlen manipulation kernel: RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send kernel: gfs2: Fix slab-use-after-free in qd_put kernel: net/sched: act_ct: Only release RCU read lock after ct_ft kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000 kernel: gfs2: add some missing log locking kernel: net/mlx5: Fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list kernel: ipvs: clear the svc scheduler ptr early on edit kernel: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path kernel: net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink kernel: tunnels: do not assume transport header in iptunnel_pmtud_check_icmp() kernel: tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]() kernel: vxlan: require CAP_NET_ADMIN in the device netns for changelink kernel: net: ip6_gre: require CAP_NET_ADMIN in the device netns for changelink kernel: netfilter: nf_queue: pin bridge device while NFQUEUE holds fake dst kernel: KVM: SVM: Update x2APIC MSR intercepts if AVIC is inhibited while L2 is active kernel: netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_…

RLSA-2026:75746 — Important: kernel-rt security, bug fix, and enhancement update

2026-10-09T01:35:31.419160+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: Use-after-free in xc5000 tuner driver due to race condition (CVE-2025-39994)

* kernel: gfs2: Fix unlikely race in gdlm_put_lock (CVE-2025-40242)

* kernel: Linux kernel: Denial of Service in RDMA/bnxt_re driver due to race condition during QP destruction (CVE-2023-54048)

* kernel: nvme-pci: fix mempool alloc size (CVE-2022-50756)

* kernel: Linux kernel: Denial of Service in QFQ scheduler via child qlen manipulation (CVE-2026-23105)

* kernel: RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send (CVE-2026-45856)

* kernel: gfs2: Fix slab-use-after-free in qd_put (CVE-2026-45861)

* kernel: net/sched: act_ct: Only release RCU read lock after ct_ft (CVE-2026-46319)

* kernel: gfs2: add some missing log locking (CVE-2026-53049)

* kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000 (CVE-2026-52972)

* kernel: net/mlx5: Fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list (CVE-2026-53230)

* kernel: ipvs: clear the svc scheduler ptr early on edit (CVE-2026-53270)

* kernel: net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink (CVE-2026-63829)

* kernel: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path (CVE-2026-63794)

* kernel: tunnels: do not assume transport header in iptunnel_pmtud_check_icmp() (CVE-2026-63992)

* kernel: tunnels: l…

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

2026-10-09T01:35:31.419208+00:00

Security update for the Linux Kernel

UBUNTU-CVE-2026-53049

2026-10-09T01:35:31.419371+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 200 more

In the Linux kernel, the following vulnerability has been resolved: gfs2: add some missing log locking Function gfs2_logd() calls the log flushing functions gfs2_ail1_start(), gfs2_ail1_wait(), and gfs2_ail1_empty() without holding sdp->sd_log_flush_lock, but these functions require exclusion against concurrent transactions. To fix that, add a non-locking __gfs2_log_flush() function. Then, in gfs2_logd(), take sdp->sd_log_flush_lock before calling the above mentioned log flushing functions and __gfs2_log_flush().

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

2026-10-09T01:35:31.419631+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.