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SUSE Kernel Important Security Update 2026-22879-1 Live Patch 13

suse
Calendar Grey July 27, 2026
Scroller Suse
A critical update for SUSE Linux Kernel addresses seven important issues, enhancing system security and stability.
SUSE Linux Enterprise Server 16.0 received an important security update fixing seven vulnerabilities, including issues related to networking and task management in the kernel.

Summary

## This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.34.1 fixes various security issues The following security issues were fixed: * CVE-2026-45970: bonding: alb: fix UAF in rlb_arp_recv during bond up/down (bsc#1267206). * 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).

Topics%20covered

Topics Covered

security advisory security update SuSE important kernel system patching

References

* bsc#1267206

* bsc#1267698

* bsc#1267723

* bsc#1267893

* bsc#1268662

* bsc#1269023

* bsc#1269495

Cross-

* CVE-2026-45970

* CVE-2026-46120

* CVE-2026-46173

* CVE-2026-46227

* CVE-2026-52909

* CVE-2026-52943

* CVE-2026-53362

CVSS scores:

* CVE-2026-45970 ( 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-2026-45970 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-45970 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22879-1
Release Date: 2026-07-20T12:21:49Z
Rating: important

Topics%20covered

Topics Covered

security advisory security update SuSE important kernel system patching

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