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AlmaLinux 9.6 [TuxCare] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1792762308)

high Nessus Plugin ID 371426

Synopsis

The AlmaLinux host is missing one or more security updates.

Description

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1792762308 advisory.

 - In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Synchronous access b/w reset and tm thread for reply queue When the task management thread processes reply queues while the reset thread resets them, the task management thread accesses an invalid queue ID (0xFFFF), set by the reset thread, which points to unallocated memory, causing a crash. Add flag 'io_admin_reset_sync' to synchronize access between the reset, I/O, and admin threads. Before a reset, the reset handler sets this flag to block I/O and admin processing threads. If any thread bypasses the initial check, the reset thread waits up to 10 seconds for processing to finish. If the wait exceeds 10 seconds, the controller is marked as unrecoverable. (CVE-2025-37861)

 - In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: cancel mesh send timer when hdev removed mesh_send_done timer is not canceled when hdev is removed, which causes crash if the timer triggers after hdev is gone. Cancel the timer when MGMT removes the hdev, like other MGMT timers. Should fix the BUG: sporadically seen by BlueZ test bot (in Mesh - Send cancel - 1 test). Log:
 ------ BUG: KASAN: slab-use-after-free in run_timer_softirq+0x76b/0x7d0 ... Freed by task 36:
 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_save_free_info+0x3a/0x60
 __kasan_slab_free+0x43/0x70 kfree+0x103/0x500 device_release+0x9a/0x210 kobject_put+0x100/0x1e0 vhci_release+0x18b/0x240 ------ (CVE-2025-40284)

 - In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: avs: Disable periods- elapsed work when closing PCM avs_dai_fe_shutdown() handles the shutdown procedure for HOST HDAudio stream while period-elapsed work services its IRQs. As the former frees the DAI's private context, these two operations shall be synchronized to avoid slab-use-after-free or worse errors. (CVE-2025-40344)

 - In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() Sashiko AI-review observed: In ip6_err_gen_icmpv6_unreach(), the skb is an outer IPv4 ICMP error packet where its cb contains an IPv4 inet_skb_parm. When skb is cloned into skb2 and passed to icmp6_send(), it uses IP6CB(skb2). IP6CB interprets the IPv4 inet_skb_parm as an inet6_skb_parm.
 The cipso offset in inet_skb_parm.opt directly overlaps with dsthao in inet6_skb_parm at offset 18. If an attacker sends a forged ICMPv4 error with a CIPSO IP option, dsthao would be a non-zero offset. Inside icmp6_send(), mip6_addr_swap() is called and uses ipv6_find_tlv(skb, opt->dsthao, IPV6_TLV_HAO). This would scan the inner, attacker-controlled IPv6 packet starting at that offset, potentially returning a fake TLV without checking if the remaining packet length can hold the full 18-byte struct ipv6_destopt_hao. Could mip6_addr_swap() then perform a 16-byte swap that extends past the end of the packet data into skb_shared_info? Should the cb array also be cleared in ip6_err_gen_icmpv6_unreach() and ip6ip6_err() to prevent this? This patch implements the first suggestion. I am not sure if ip6ip6_err() needs to be changed. A separate patch would be better anyway. (CVE-2026-43038)

 - In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix double free in rxe_srq_from_init In rxe_srq_from_init(), the queue pointer 'q' is assigned to 'srq->rq.queue' before copying the SRQ number to user space. If copy_to_user() fails, the function calls rxe_queue_cleanup() to free the queue, but leaves the now-invalid pointer in 'srq->rq.queue'. The caller of rxe_srq_from_init() (rxe_create_srq) eventually calls rxe_srq_cleanup() upon receiving the error, which triggers a second rxe_queue_cleanup() on the same memory, leading to a double free. The call trace looks like this:
 kmem_cache_free+0x.../0x... rxe_queue_cleanup+0x1a/0x30 [rdma_rxe] rxe_srq_cleanup+0x42/0x60 [rdma_rxe] rxe_elem_release+0x31/0x70 [rdma_rxe] rxe_create_srq+0x12b/0x1a0 [rdma_rxe] ib_create_srq_user+0x9a/0x150 [ib_core] Fix this by moving 'srq->rq.queue = q' after copy_to_user. (CVE-2026-45852)

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 based on the guidance in TuxCare advisory ALMALINUX9.6:CLSA-2026:1792762308.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1792762308

http://www.nessus.org/u?4efe553b

Plugin Details

Severity: High

ID: 371426

File Name: tuxcare_alma_linux_9.6_CLSA-2026-1792762308.nasl

Version: 1.1

Type: Local

Published: 10/23/2026

Updated: 10/23/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.34

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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: 7

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:P/RL:O/RC:C

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/OS/extended-third-party

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/23/2026

Vulnerability Publication Date: 5/9/2025

Reference Information

CVE: CVE-2025-37861, CVE-2025-40284, CVE-2025-40344, CVE-2026-43038, CVE-2026-45852, CVE-2026-45857, CVE-2026-45861, CVE-2026-45898, CVE-2026-45957, CVE-2026-45984, CVE-2026-46120, CVE-2026-46150, CVE-2026-46155, CVE-2026-46209, CVE-2026-46227, CVE-2026-46266, CVE-2026-46323, CVE-2026-46324, CVE-2026-52951, CVE-2026-52956, CVE-2026-52998, CVE-2026-53004, CVE-2026-53006, CVE-2026-53059, CVE-2026-53078, CVE-2026-53089, CVE-2026-53129, CVE-2026-53185, CVE-2026-53203, CVE-2026-53228, CVE-2026-53230, CVE-2026-53242, CVE-2026-53275, CVE-2026-53398, CVE-2026-63794, CVE-2026-63887, CVE-2026-64002, CVE-2026-64007, CVE-2026-64015, CVE-2026-64121, CVE-2026-64189, CVE-2026-64378, CVE-2026-68176, CVE-2026-68201, CVE-2026-68236, CVE-2026-68405, CVE-2026-72029, CVE-2026-72157, CVE-2026-72261, CVE-2026-72402, CVE-2026-72413, CVE-2026-72469, CVE-2026-74287, CVE-2026-74289, CVE-2026-74387, CVE-2026-74390, CVE-2026-74394, CVE-2026-74408, CVE-2026-74444, CVE-2026-74469, CVE-2026-74470, CVE-2026-74480, CVE-2026-74498, CVE-2026-74518, CVE-2026-74569, CVE-2026-74581, CVE-2026-80613, CVE-2026-80726, CVE-2026-89448, CVE-2026-89478, CVE-2026-89508, CVE-2026-89533, CVE-2026-89542, CVE-2026-89550, CVE-2026-89553, CVE-2026-89559, CVE-2026-89575, CVE-2026-89671, CVE-2026-89690, CVE-2026-89699, CVE-2026-89712, CVE-2026-89729, CVE-2026-89786, CVE-2026-89847, CVE-2026-89932, CVE-2026-89965, CVE-2026-90000, CVE-2026-90033, CVE-2026-90067, CVE-2026-90103, CVE-2026-90203, CVE-2026-90228, CVE-2026-90334, CVE-2026-90335, CVE-2026-90382, CVE-2026-90383, CVE-2026-90393, CVE-2026-90413, CVE-2026-90414, CVE-2026-93054, CVE-2026-93262, CVE-2026-93791, CVE-2026-93822, CVE-2026-93826, CVE-2026-93830, CVE-2026-97427, CVE-2026-97448, CVE-2026-97509, CVE-2026-97539, CVE-2026-97564, CVE-2026-97596, CVE-2026-97612, CVE-2026-97940, CVE-2026-98015, CVE-2026-98025, CVE-2026-98041, CVE-2026-98066, CVE-2026-98077, CVE-2026-98130, CVE-2026-98175, CVE-2026-98185, CVE-2026-98196, CVE-2026-98217, CVE-2026-98264, CVE-2026-98276, CVE-2026-98374, CVE-2026-98375, CVE-2026-98383

CLSA: 2026:1792762308