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SUSE Kernel RT Important Security Update SUSE-SU-2026-22773-1

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Calendar Grey July 23, 2026
Scroller Suse
SUSE Linux Enterprise releases important kernel update addressing multiple security issues. Install promptly to ensure protection.
A security update for SUSE Linux Enterprise Kernel addresses six vulnerabilities, enhancing system security with patch instructions for affected products like SUSE Linux Micro 6.2.

Summary

## This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.35.1 fixes various security issues The following security issues were fixed: * CVE-2026-46120: ip6_gre: Use cached t->net in ip6erspan_changelink() (bsc#1267893). * CVE-2026-46173: exit: prevent preemption of oopsing TASK_DEAD task (bsc#1267723). * CVE-2026-46227: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (bsc#1267698). * CVE-2026-52909: ip6_vti: set netns_immutable on the fallback device (bsc#1268662). * CVE-2026-52943: net: skbuff: fix missing zerocopy reference in pskb_carve helpers (bsc#1269023). * CVE-2026-53362: ipv6: account for fraggap on the paged allocation path (bsc#1269495). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like

Topics%20covered

Topics Covered

security advisory SuSE threat patch important kernel

References

* bsc#1267698

* bsc#1267723

* bsc#1267893

* bsc#1268662

* bsc#1269023

* bsc#1269495

Cross-

* CVE-2026-46120

* CVE-2026-46173

* CVE-2026-46227

* CVE-2026-52909

* CVE-2026-52943

* CVE-2026-53362

CVSS scores:

* CVE-2026-46120 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

* CVE-2026-46120 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-46173 ( 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-2026-46173 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-46173 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-46227 ( SUSE ): 7.3

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

* CVE-2026-46227 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22773-1
Release Date: 2026-07-14T16:17:09Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE threat patch important kernel

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