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Alerts This Week
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Alerts This Week
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SUSE Linux Micro 6.0 Important Kernel Three Issues Fixed 2026-21646-1

suse
Calendar Grey May 19, 2026
Scroller Suse
An important security advisory covering three kernel vulnerabilities in SUSE Linux Micro 6.0 and their resolutions.
An update that solves three vulnerabilities can now be installed.

Summary

## The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 RT kernel was updated to fix various security issues The following security issues were fixed: * CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache (bsc#1264013). * CVE-2026-46300: net: skbuff: propagate shared-frag marker through pskb_copy() (bsc#1265209). * CVE-2026-43500: rxrpc: unshare DATA/RESPONSE packets when paged frags are present (bsc#1264450). The following non security issues were fixed: * config: s390x/ppc64le: disable unsupported CONFIG_AFS_FS and CONFIG_AF_RXRPC (bsc#1264450). * io-wq: check that the predecessor is hashed in io_wq_remove_pending() (git- fixes).

Topics%20covered

Topics Covered

security advisory SuSE important kernel threat mitigation three issues

References

* bsc#1264013

* bsc#1264450

* bsc#1265209

Cross-

* CVE-2025-54518

* CVE-2026-43500

* CVE-2026-46300

CVSS scores:

* CVE-2025-54518 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2025-54518 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-54518 ( NVD ): 7.3

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-43500 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

* CVE-2026-43500 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-43500 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-46300 ( SUSE ): 8.6

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21646-1
Release Date: 2026-05-15T15:50:45Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important kernel threat mitigation three issues

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