Detections
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AlmaLinux 8 : kernel-rt (ALSA-2026:75746)
high Nessus Plugin ID 363159
Synopsis
The remote AlmaLinux host is missing one or more security updates.Description
The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:75746 advisory.* 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)
Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
Plugin Details
Severity: High
ID: 363159
File Name: alma_linux_ALSA-2026-75746.nasl
Version: 1.1
Type: Local
Family: Alma Linux Local Security Checks
Published: 10/6/2026
Updated: 10/6/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7
Percentile: 98.06
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C
CVSS Score Source: CVE-2026-63794
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:alma:linux:8, cpe:/o:alma:linux:8::appstream, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::highavailability, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::resilientstorage, cpe:/o:alma:linux:8::sap, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:kernel-rt-core, p-cpe:/a:alma:linux:kernel-rt-debug-core, p-cpe:/a:alma:linux:kernel-rt-debug-devel, p-cpe:/a:alma:linux:kernel-rt-debug-modules-extra, p-cpe:/a:alma:linux:kernel-rt-debug-modules, p-cpe:/a:alma:linux:kernel-rt-debug, p-cpe:/a:alma:linux:kernel-rt-devel, p-cpe:/a:alma:linux:kernel-rt-modules-extra, p-cpe:/a:alma:linux:kernel-rt-modules, p-cpe:/a:alma:linux:kernel-rt
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 10/5/2026
Vulnerability Publication Date: 7/21/2021
Reference Information
CVE: CVE-2022-50756, CVE-2023-54048, CVE-2025-39994, CVE-2025-40242, CVE-2026-23105, CVE-2026-45856, CVE-2026-45861, CVE-2026-46319, CVE-2026-52972, CVE-2026-53049, CVE-2026-53230, CVE-2026-53270, CVE-2026-63794, CVE-2026-63829, CVE-2026-63992, CVE-2026-63994, CVE-2026-68432, CVE-2026-72052, CVE-2026-72255, CVE-2026-74516, CVE-2026-74569, CVE-2026-74669, CVE-2026-74744, CVE-2026-74746, CVE-2026-80921, CVE-2026-89481, CVE-2026-89972, CVE-2026-90227, CVE-2026-97417