Detections
Analytics
AlmaLinux 8 : kernel-rt (ALSA-2026:25120)
high Nessus Plugin ID 320640
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-2026:25120 advisory.* kernel: geneve: Fix use-after-free in geneve_find_dev(). (CVE-2025-21858)
* kernel: smc: Fix use-after-free in tcp_write_timer_handler() (CVE-2023-53781)
* kernel: nbd: defer config unlock in nbd_genl_connect (CVE-2025-68366)
* kernel: libceph: prevent potential out-of-bounds reads in handle_auth_done() (CVE-2026-22984)
* kernel: libceph: replace overzealous BUG_ON in osdmap_apply_incremental() (CVE-2026-22990)
* kernel: netfilter: nf_tables: release flowtable after rcu grace period on error (CVE-2026-23392)
* kernel: ALSA: 6fire: fix use-after-free on disconnect (CVE-2026-31581)
* kernel: smb: client: fix OOB reads parsing symlink error response (CVE-2026-31613)
* kernel: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (CVE-2026-43037)
* kernel: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (CVE-2026-43038)
* kernel: dlm: validate length in dlm_search_rsb_tree (CVE-2026-43125)
* kernel: RDMA/rxe: Fix double free in rxe_srq_from_init (CVE-2026-45852)
* kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() (CVE-2026-46181)
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: 320640
File Name: alma_linux_ALSA-2026-25120.nasl
Version: 1.1
Type: Local
Family: Alma Linux Local Security Checks
Published: 6/11/2026
Updated: 6/11/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.4
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-2026-31581
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, p-cpe:/a:alma:linux:kernel-rt, p-cpe:/a:alma:linux:kernel-rt-core, p-cpe:/a:alma:linux:kernel-rt-debug, 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, p-cpe:/a:alma:linux:kernel-rt-debug-modules-extra, p-cpe:/a:alma:linux:kernel-rt-devel, p-cpe:/a:alma:linux:kernel-rt-modules, p-cpe:/a:alma:linux:kernel-rt-modules-extra, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::appstream, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::highavailability, 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
Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 6/10/2026
Vulnerability Publication Date: 4/9/2024
Reference Information
CVE: CVE-2023-53781, CVE-2025-21858, CVE-2025-68366, CVE-2026-22984, CVE-2026-22990, CVE-2026-23392, CVE-2026-31581, CVE-2026-31613, CVE-2026-43037, CVE-2026-43038, CVE-2026-43125, CVE-2026-45852, CVE-2026-46181