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openSUSE Kernel Important Fix Remote Access Issues SUSE-SU-2026-2997-1

opensuse
Calendar Grey July 15, 2026
Dist Opensuse Esm H88
An essential update addressing 11 vulnerabilities in the openSUSE kernel to enhance system security and stability.
An update that solves 11 vulnerabilities can now be installed.

Description

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.112 fixes

various security issues

The following security issues were fixed:

* CVE-2026-31758: usb: usbtmc: Flush anchored URBs in usbtmc_release

(bsc#1264094).

* CVE-2026-43037: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (bsc#1265197).

* 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

...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory security issue remote access important kernel OpenSUSE

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-2997=1

* SUSE Linux Enterprise Live Patching 15-SP6

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2026-2997=1

Package List

* SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP6_Update_26-debugsource-3-150600.2.2

* kernel-livepatch-6_4_0-150600_23_112-default-3-150600.2.2

* kernel-livepatch-6_4_0-150600_23_112-default-debuginfo-3-150600.2.2

* openSUSE Leap 15.6 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP6_Update_26-debugsource-3-150600.2.2

* kernel-livepatch-6_4_0-150600_23_112-default-3-150600.2.2

* kernel-livepatch-6_4_0-150600_23_112-default-debuginfo-3-150600.2.2

References

* bsc#1264094

* bsc#1265197

* bsc#1266015

* bsc#1266265

* bsc#1267206

* bsc#1267698

* bsc#1267723

* bsc#1267893

* bsc#1268662

* bsc#1269023

* bsc#1269495

## References:

* https://www.suse.com/security/cve/CVE-2026-31758.html

* https://www.suse.com/security/cve/CVE-2026-43037.html

* https://www.suse.com/security/cve/CVE-2026-43501.html

* https://www.suse.com/security/cve/CVE-2026-45970.html

* https://www.suse.com/security/cve/CVE-2026-46120.html

* https://www.suse.com/security/cve/CVE-2026-46173.html

* https://www.suse.com/security/cve/CVE-2026-46227.html

* https://www.suse.com/security/cve/CVE-2026-46243.html

* https://www.suse.com/security/cve/CVE-2026-52909.html

* https://www.suse.com/security/cve/CVE-2026-52943.html

* https://www.suse.com/security/cve/CVE-2026-53362.html

* https://bugzilla.suse.com/show_bug.cgi?id=1264094

* https://bugzilla.suse.com/show_bug.cgi?id=1265197

* https://bugzilla.suse.com/show_bug.cgi?id=1266015

* https://bugzilla.suse.com/show_bug.cgi?id=1266265

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2997-1
Release Date: 2026-07-15T04:04:34Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Live Patching 15-SP6 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP6

Topics%20covered

Topics Covered

security advisory security issue remote access important kernel OpenSUSE

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