ALSA-2026:75746
ALSA-2026:75746 · Important: kernel-rt security, bug fix, and enhancement update
Diese Seite enthält Fakten aus öffentlichen Sicherheitsquellen. Lesen Sie vor dem Aktualisieren die Originalmeldung.
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: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]() (CVE-2026-63994) * kernel: vxlan: require CAP_NET_ADMIN in the device netns for changelink (CVE-2026-68432) * kernel: net: ip6_gre: require CAP_NET_ADMIN in the device netns for changelink (CVE-2026-72052) * kernel: netfilter: nf_queue: pin bridge device while NFQUEUE holds fake dst (CVE-2026-72255) * kernel: KVM: SVM: Update x2APIC MSR intercepts if AVIC is inhibited while L2 is active (CVE-2026-74516) * kernel: netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp() (CVE-2026-74569) * kernel: ipvs: clear IPv4 options after rebasing tunnel ICMP errors (CVE-2026-74669) * kernel: ipvlan: inherit needed_headroom and needed_tailroom from phy_dev (CVE-2026-74744) * kernel: netfilter: flowtable: publish GC-visible tuple last (CVE-2026-74746) * kernel: KVM: s390: vsie: zero stale crypto bits (CVE-2026-80921) * kernel: nvme-tcp: fix host memory disclosure on R2T for a read command (CVE-2026-89481) * kernel: nvme: add missing SRCU grace period in error path (CVE-2026-89972) * kernel: nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed() (CVE-2026-90227) * kernel: netfilter: nf_conntrack: use get_unaligned_be32() in tcp_sack() (CVE-2026-97417) Bug Fix(es) and Enhancement(s): * AlmaLinux8.10 - s390/vfio_ccw: Error path cleanups (JIRA:AlmaLinux-252194) * AlmaLinux8.10 - s390/topology: Use zero-based numbering (JIRA:AlmaLinux-252199) * [nfs rhel8.10] Disable async copy on nfsd side (JIRA:AlmaLinux-266661) 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.
Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: system
Betroffene Produkte und Versionen
kernel-rt AlmaLinux:8
- Betroffene Versionsbereiche
- ECOSYSTEM: < 4.18.0-553.171.1.rt7.512.el8_10
Auf 4.18.0-553.171.1.rt7.512.el8_10 aktualisieren
kernel-rt-core AlmaLinux:8
- Betroffene Versionsbereiche
- ECOSYSTEM: < 4.18.0-553.171.1.rt7.512.el8_10
Auf 4.18.0-553.171.1.rt7.512.el8_10 aktualisieren
kernel-rt-debug AlmaLinux:8
- Betroffene Versionsbereiche
- ECOSYSTEM: < 4.18.0-553.171.1.rt7.512.el8_10
Auf 4.18.0-553.171.1.rt7.512.el8_10 aktualisieren
kernel-rt-debug-core AlmaLinux:8
- Betroffene Versionsbereiche
- ECOSYSTEM: < 4.18.0-553.171.1.rt7.512.el8_10
Auf 4.18.0-553.171.1.rt7.512.el8_10 aktualisieren
kernel-rt-debug-devel AlmaLinux:8
- Betroffene Versionsbereiche
- ECOSYSTEM: < 4.18.0-553.171.1.rt7.512.el8_10
Auf 4.18.0-553.171.1.rt7.512.el8_10 aktualisieren
kernel-rt-debug-modules AlmaLinux:8
- Betroffene Versionsbereiche
- ECOSYSTEM: < 4.18.0-553.171.1.rt7.512.el8_10
Auf 4.18.0-553.171.1.rt7.512.el8_10 aktualisieren
kernel-rt-debug-modules-extra AlmaLinux:8
- Betroffene Versionsbereiche
- ECOSYSTEM: < 4.18.0-553.171.1.rt7.512.el8_10
Auf 4.18.0-553.171.1.rt7.512.el8_10 aktualisieren
kernel-rt-devel AlmaLinux:8
- Betroffene Versionsbereiche
- ECOSYSTEM: < 4.18.0-553.171.1.rt7.512.el8_10
Auf 4.18.0-553.171.1.rt7.512.el8_10 aktualisieren
kernel-rt-modules AlmaLinux:8
- Betroffene Versionsbereiche
- ECOSYSTEM: < 4.18.0-553.171.1.rt7.512.el8_10
Auf 4.18.0-553.171.1.rt7.512.el8_10 aktualisieren
kernel-rt-modules-extra AlmaLinux:8
- Betroffene Versionsbereiche
- ECOSYSTEM: < 4.18.0-553.171.1.rt7.512.el8_10
Auf 4.18.0-553.171.1.rt7.512.el8_10 aktualisieren
Originalquellen
- https://access.redhat.com/errata/RHSA-2026:75746
- https://access.redhat.com/security/cve/CVE-2022-50756
- https://access.redhat.com/security/cve/CVE-2023-54048
- https://access.redhat.com/security/cve/CVE-2025-39994
- https://access.redhat.com/security/cve/CVE-2025-40242
- https://access.redhat.com/security/cve/CVE-2026-23105
- https://access.redhat.com/security/cve/CVE-2026-45856
- https://access.redhat.com/security/cve/CVE-2026-45861
- https://access.redhat.com/security/cve/CVE-2026-46319
- https://access.redhat.com/security/cve/CVE-2026-52972
- https://access.redhat.com/security/cve/CVE-2026-53049
- https://access.redhat.com/security/cve/CVE-2026-53230
- https://access.redhat.com/security/cve/CVE-2026-53270
- https://access.redhat.com/security/cve/CVE-2026-63794
- https://access.redhat.com/security/cve/CVE-2026-63829
- https://access.redhat.com/security/cve/CVE-2026-63992
- https://access.redhat.com/security/cve/CVE-2026-63994
- https://access.redhat.com/security/cve/CVE-2026-68432
- https://access.redhat.com/security/cve/CVE-2026-72052
- https://access.redhat.com/security/cve/CVE-2026-72255
- https://access.redhat.com/security/cve/CVE-2026-74516
- https://access.redhat.com/security/cve/CVE-2026-74569
- https://access.redhat.com/security/cve/CVE-2026-74669
- https://access.redhat.com/security/cve/CVE-2026-74744
- https://access.redhat.com/security/cve/CVE-2026-74746
- https://access.redhat.com/security/cve/CVE-2026-80921
- https://access.redhat.com/security/cve/CVE-2026-89481
- https://access.redhat.com/security/cve/CVE-2026-89972
- https://access.redhat.com/security/cve/CVE-2026-90227
- https://access.redhat.com/security/cve/CVE-2026-97417
- https://bugzilla.redhat.com/2404123
- https://bugzilla.redhat.com/2418819
- https://bugzilla.redhat.com/2425013
- https://bugzilla.redhat.com/2425209
- https://bugzilla.redhat.com/2436789
- https://bugzilla.redhat.com/2482129
- https://bugzilla.redhat.com/2482143
- https://bugzilla.redhat.com/2486979
- https://bugzilla.redhat.com/2492276
- https://bugzilla.redhat.com/2492364
- https://bugzilla.redhat.com/2492728
- https://bugzilla.redhat.com/2492853
- https://bugzilla.redhat.com/2502230
- https://bugzilla.redhat.com/2502241
- https://bugzilla.redhat.com/2502431
- https://bugzilla.redhat.com/2502444
- https://bugzilla.redhat.com/2514441
- https://bugzilla.redhat.com/2516306
- https://bugzilla.redhat.com/2516717
- https://bugzilla.redhat.com/2516998
- https://bugzilla.redhat.com/2517052
- https://bugzilla.redhat.com/2521375
- https://bugzilla.redhat.com/2524431
- https://bugzilla.redhat.com/2524483
- https://bugzilla.redhat.com/2531066
- https://bugzilla.redhat.com/2532184
- https://bugzilla.redhat.com/2535140
- https://bugzilla.redhat.com/2536346
- https://bugzilla.redhat.com/2540479
- https://errata.almalinux.org/8/ALSA-2026-75746.html
- https://osv.dev/vulnerability/ALSA-2026:75746