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openSUSE Kernel Important Fixed Buffer Overflow Advisory 2026-2332-1

opensuse
Calendar Grey June 10, 2026
Dist Opensuse Esm H88
Eight vulnerabilities in the SUSE Linux kernel have been fixed with this important update, detailing the necessary actions.
An update that solves eight vulnerabilities can now be installed.

Description

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security

issues

The following security issues were fixed:

* CVE-2026-31629: nfc: llcp: add missing return after LLCP_CLOSED checks

(bsc#1263790).

* CVE-2026-43037: ip6_tunnel: clear skb2->cb in ip4ip6_err() (bsc#1263995).

* CVE-2026-43206: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set()

(bsc#1264551).

* CVE-2026-43499: rtmutex: Use waiter::task instead of current in

remove_waiter() (bsc#1266001).

* CVE-2026-43501: ipv6: rpl: reserve mac_len headroom when recompressed SRH

grows (bsc#1266009).

* CVE-2026-45852: RDMA/rxe: Fix double free in rxe_srq_from_init

(bsc#1266711).

* CVE-2026-46043: RDMA/rxe: Validate pad and ICRC before payload_size() in

rxe_rcv (bsc#1266901).

* CVE-2026-46243: smb: client: reject userspace cifs.spnego descriptions

(bsc#1266238).

## Special Instructions and Notes:

* Please reboot the system after installing this update.

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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 15.5

zypper in -t patch SUSE-2026-2332=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2026-2332=1

Package List

* openSUSE Leap 15.5 (x86_64)

* dlm-kmp-rt-debuginfo-5.14.21-150500.13.143.1

* kernel-rt-devel-debuginfo-5.14.21-150500.13.143.1

* kernel-syms-rt-5.14.21-150500.13.143.1

* gfs2-kmp-rt-5.14.21-150500.13.143.1

* kernel-rt-debugsource-5.14.21-150500.13.143.1

* kernel-rt-extra-5.14.21-150500.13.143.1

* kernel-rt-extra-debuginfo-5.14.21-150500.13.143.1

* kernel-rt_debug-vdso-debuginfo-5.14.21-150500.13.143.1

* ocfs2-kmp-rt-5.14.21-150500.13.143.1

* gfs2-kmp-rt-debuginfo-5.14.21-150500.13.143.1

* kernel-rt-livepatch-5.14.21-150500.13.143.1

* kernel-rt_debug-vdso-5.14.21-150500.13.143.1

* kernel-rt-vdso-debuginfo-5.14.21-150500.13.143.1

* kernel-rt-debuginfo-5.14.21-150500.13.143.1

* kernel-rt-devel-5.14.21-150500.13.143.1

* kselftests-kmp-rt-5.14.21-150500.13.143.1

* kernel-rt_debug-debuginfo-5.14.21-150500.13.143.1

* kernel-rt-optional-5.14.21-150500.13.143.1

* dlm-kmp-rt-5.14.21-150500.13.143.1

* kselftests-kmp-rt-debuginfo-5.14.21-150500.13.143.1

* cluster-md-kmp-rt-5.14.21-150500.13.143.1

*...

Read the Full Advisory

References

* bsc#1263790

* bsc#1263995

* bsc#1264551

* bsc#1266001

* bsc#1266009

* bsc#1266238

* bsc#1266711

* bsc#1266901

## References:

* https://www.suse.com/security/cve/CVE-2026-31629.html

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

* https://www.suse.com/security/cve/CVE-2026-43206.html

* https://www.suse.com/security/cve/CVE-2026-43499.html

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

* https://www.suse.com/security/cve/CVE-2026-45852.html

* https://www.suse.com/security/cve/CVE-2026-46043.html

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

* https://bugzilla.suse.com/show_bug.cgi?id=1263790

* https://bugzilla.suse.com/show_bug.cgi?id=1263995

* https://bugzilla.suse.com/show_bug.cgi?id=1264551

* https://bugzilla.suse.com/show_bug.cgi?id=1266001

* https://bugzilla.suse.com/show_bug.cgi?id=1266009

* https://bugzilla.suse.com/show_bug.cgi?id=1266238

* https://bugzilla.suse.com/show_bug.cgi?id=1266711

* https://bugzilla.suse.com/show_bug.cgi?id=1266901

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2332-1
Release Date: 2026-06-10T08:41:19Z
Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise Micro 5.5

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