SUSE-IU-2026:9-1: Security update of suse/sle-micro/rt-5.5

[sle-container-updates at lists.suse.com]

SUSE Image Update Advisory: suse/sle-micro/rt-5.5
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Image Advisory ID : SUSE-IU-2026:9-1
Image Tags        : suse/sle-micro/rt-5.5:2.0.4 , suse/sle-micro/rt-5.5:2.0.4-4.5.550 , suse/sle-micro/rt-5.5:latest
Image Release     : 4.5.550
Severity          : important
Type              : security
References        : 1233640 1249806 1251786 1252267 1252780 1252862 1253367 1253431
                        1253436 CVE-2022-50280 CVE-2023-53676 CVE-2024-53093 CVE-2025-40040
                        CVE-2025-40048 CVE-2025-40121 CVE-2025-40154 CVE-2025-40204 
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The container suse/sle-micro/rt-5.5 was updated. The following patches have been included in this update:

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Advisory ID: SUSE-SU-2026:34-1
Released:    Mon Jan  5 20:29:25 2026
Summary:     Security update for the Linux Kernel
Type:        security
Severity:    important
References:  1233640,1249806,1251786,1252267,1252780,1252862,1253367,1253431,1253436,CVE-2022-50280,CVE-2023-53676,CVE-2024-53093,CVE-2025-40040,CVE-2025-40048,CVE-2025-40121,CVE-2025-40154,CVE-2025-40204
The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes.


The following security bugs were fixed:

- CVE-2022-50280: pnode: terminate at peers of source (bsc#1249806).
- CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251786).
- CVE-2024-53093: nvme-multipath: defer partition scanning (bsc#1233640).
- CVE-2025-40040: mm/ksm: fix flag-dropping behavior in ksm_madvise (bsc#1252780).
- CVE-2025-40048: uio_hv_generic: Let userspace take care of interrupt mask (bsc#1252862).
- CVE-2025-40121: ASoC: Intel: bytcr_rt5651: Fix invalid quirk input mapping (bsc#1253367).
- CVE-2025-40154: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping (bsc#1253431).
- CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253436).

The following non-security bugs were fixed:

- Fix type signess in fbcon_set_font() (bsc#1252033). 
- scsi: storvsc: Prefer returning channel with the same CPU as on the I/O issuing CPU (bsc#1252267).


The following package changes have been done:

- kernel-rt-5.14.21-150500.13.115.2 updated