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openSUSE Kernel Important Security Update 2026-2840-1 CVE-2026-31771

opensuse
Calendar Grey July 10, 2026
Dist Opensuse Esm H88
A crucial openSUSE update addressing 30 kernel vulnerabilities is now available for installation, enhancing system security.
An update that solves 30 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-2026-31771: Bluetooth: hci_event: move wake reason storage into

validated event handlers (bsc#1264145).

* CVE-2026-43038: ipv6: icmp: clear skb2->cb in ip6_err_gen_icmpv6_unreach()

(bsc#1264097).

* CVE-2026-46090: ALSA: aloop: Fix peer runtime UAF during format-change stop

(bsc#1267531).

* CVE-2026-46173: exit: prevent preemption of oopsing TASK_DEAD task

(bsc#1267722).

* CVE-2026-46197: drm/amdkfd: validate SVM ioctl nattr against buffer size

(bsc#1267381).

* CVE-2026-46229: drm/amdkfd: Clear VRAM on allocation to prevent stale data

exposure (bsc#1267567).

* CVE-2026-46253: pstore/ram: fix buffer overflow in persistent_ram_save_old()

(bsc#1267635).

* CVE-2026-46266: inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP

(bsc#1267684).

* CVE-2026-46319: net/sched: act_ct: Only release RCU read...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory buffer overflow important kernel system vulnerability 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:

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2026-2840=1

* openSUSE Leap 15.5

zypper in -t patch SUSE-2026-2840=1

Package List

* openSUSE Leap 15.5 (x86_64)

* kernel-rt-livepatch-5.14.21-150500.13.151.1

* kernel-rt-optional-5.14.21-150500.13.151.1

* kernel-rt_debug-devel-5.14.21-150500.13.151.1

* kernel-rt-optional-debuginfo-5.14.21-150500.13.151.1

* dlm-kmp-rt-5.14.21-150500.13.151.1

* kselftests-kmp-rt-5.14.21-150500.13.151.1

* kernel-rt_debug-vdso-debuginfo-5.14.21-150500.13.151.1

* kernel-rt_debug-debugsource-5.14.21-150500.13.151.1

* kselftests-kmp-rt-debuginfo-5.14.21-150500.13.151.1

* kernel-rt-devel-debuginfo-5.14.21-150500.13.151.1

* reiserfs-kmp-rt-debuginfo-5.14.21-150500.13.151.1

* kernel-rt-vdso-debuginfo-5.14.21-150500.13.151.1

* kernel-rt-vdso-5.14.21-150500.13.151.1

* cluster-md-kmp-rt-debuginfo-5.14.21-150500.13.151.1

* kernel-rt-devel-5.14.21-150500.13.151.1

* ocfs2-kmp-rt-5.14.21-150500.13.151.1

* kernel-rt_debug-debuginfo-5.14.21-150500.13.151.1

* kernel-rt-debugsource-5.14.21-150500.13.151.1

* kernel-rt_debug-devel-debuginfo-5.14.21-150500.13.151.1

* gfs2-kmp-rt-debuginfo-5.14.21-150500.13.151.1

*...

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References

* bsc#1264097

* bsc#1264145

* bsc#1265421

* bsc#1267381

* bsc#1267531

* bsc#1267567

* bsc#1267635

* bsc#1267684

* bsc#1267722

* bsc#1267918

* bsc#1267993

* bsc#1268022

* bsc#1268049

* bsc#1268660

* bsc#1269022

* bsc#1269033

* bsc#1269036

* bsc#1269090

* bsc#1269100

* bsc#1269159

* bsc#1269184

* bsc#1269193

* bsc#1269195

* bsc#1269310

* bsc#1269398

* bsc#1269574

* bsc#1269678

* bsc#1269681

* bsc#1269821

* bsc#1270059

## References:

* https://www.suse.com/security/cve/CVE-2026-31771.html

* https://www.suse.com/security/cve/CVE-2026-43038.html

* https://www.suse.com/security/cve/CVE-2026-46090.html

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

* https://www.suse.com/security/cve/CVE-2026-46197.html

* https://www.suse.com/security/cve/CVE-2026-46229.html

* https://www.suse.com/security/cve/CVE-2026-46253.html

* https://www.suse.com/security/cve/CVE-2026-46266.html

* https://www.suse.com/security/cve/CVE-2026-46274.html

* https://www.suse.com/security/cve/CVE-2026-46319.html

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2840-1
Release Date: 2026-07-10T09:24:47Z
Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise Micro 5.5

Topics%20covered

Topics Covered

security advisory buffer overflow important kernel system vulnerability OpenSUSE

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