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SUSE 2026-2862-1 Kernel RT Important Update Nine Issues Fixed

suse
Calendar Grey July 13, 2026
Dist Suse Esm H88
A security update for SUSE Linux includes patches for kernel vulnerabilities, addressing critical issues effectively.
An update that solves nine vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.54 fixes various security issues The following security issues were fixed: * CVE-2026-43501: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (bsc#1266015). * 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-2026-46243: smb: client: reject userspace cifs.spnego descriptions (CIFSwitch) (bsc#1266265). * CVE-2026-52909: ip6_vti: set netns_immutable on the fallback device (bsc#1268662).

Topics%20covered

Topics Covered

security advisory security update SuSE important kernel-rt nine vulnerabilities

References

* bsc#1266015

* bsc#1266265

* bsc#1267206

* bsc#1267698

* bsc#1267723

* bsc#1267893

* bsc#1268662

* bsc#1269023

* bsc#1269495

Cross-

* CVE-2026-43501

* CVE-2026-45970

* CVE-2026-46120

* CVE-2026-46173

* CVE-2026-46227

* CVE-2026-46243

* CVE-2026-52909

* CVE-2026-52943

* CVE-2026-53362

CVSS scores:

* CVE-2026-43501 ( SUSE ): 7.1

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

* CVE-2026-43501 ( SUSE ): 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

* CVE-2026-43501 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-43501 ( NVD ): 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

* 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2862-1
Release Date: 2026-07-11T06:44:04Z
Rating: important

Topics%20covered

Topics Covered

security advisory security update SuSE important kernel-rt nine vulnerabilities

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