Detections
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AlmaLinux 8 : kernel-rt (ALSA-2026:57254)
high Nessus Plugin ID 338325
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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-2026:57254 advisory.* kernel: net: ieee802154: do not leave a dangling sk pointer in ieee802154_create() (CVE-2024-56602)
* kernel: ip6_gre: Use cached t->net in ip6erspan_changelink() (CVE-2026-46120)
* kernel: sched/psi: fix race between file release and pressure write (CVE-2026-52991)
* kernel: mm/huge_memory: update file PMD counter before folio_put() (CVE-2026-53189)
* kernel: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (CVE-2026-63888)
* kernel: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (CVE-2026-63887)
* kernel: net/smc: reject CHID-0 ACCEPT that matches an empty ism_dev slot (CVE-2026-64048)
* kernel: smb: client: mask server-provided mode to 07777 in modefromsid (CVE-2026-64379)
* kernel: smb/client: handle overlapping allocated ranges in fallocate (CVE-2026-68388)
Bug Fix(es) and Enhancement(s):
* sfc: TX queue stalls and NIC resets caused by GFP_ATOMIC allocation failures after AlmaLinux 8.10 kernel update (JIRA:AlmaLinux-219767)
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: 338325
File Name: alma_linux_ALSA-2026-57254.nasl
Version: 1.1
Type: Local
Family: Alma Linux Local Security Checks
Published: 8/20/2026
Updated: 8/20/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.9
Percentile: 96.76
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-2024-56602
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: 8/20/2026
Vulnerability Publication Date: 12/27/2024
Reference Information
CVE: CVE-2024-56602, CVE-2026-46120, CVE-2026-52991, CVE-2026-53189, CVE-2026-63887, CVE-2026-63888, CVE-2026-64048, CVE-2026-64379, CVE-2026-68388