Alerts This Week
Warning Icon 1 1,308
Alerts This Week
Warning Icon 1 1,308

SUSE Linux Enterprise 11 SP4 Important Kernel Update 2026-1130-1

suse
Calendar Grey March 27, 2026
Dist Suse Esm H88
Five vulnerabilities fixed in SUSE Linux kernel update released, ensuring robust security improvements for users.
An update that solves five vulnerabilities can now be installed.

Summary

## The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security bugfixes. The following security bugs were fixed: * CVE-2021-47110: Fixed possible memory corruption when restoring from hibernation in x86/kvm (bsc#1221532). * CVE-2025-21738: ata: libata-sff: Ensure that we cannot write outside the allocated buffer (bsc#1238917). * CVE-2026-23074: net/sched: Enforce that teql can only be used as root qdisc (bsc#1257749). * CVE-2026-23089: ALSA: usb-audio: Fix use-after-free in snd_usb_mixer_free() (bsc#1257790). * CVE-2026-23191: ALSA: aloop: Fix racy access at PCM trigger (bsc#1258395). The following non-security bugs were fixed: * Disable CONFIG_NET_SCH_ATM (jsc#PED-12836).

Topics%20covered

Topics Covered

security advisory SuSE DoS memory corruption important kernel

References

* bsc#1221532

* bsc#1238917

* bsc#1257749

* bsc#1257790

* bsc#1258395

Cross-

* CVE-2021-47110

* CVE-2025-21738

* CVE-2026-23074

* CVE-2026-23089

* CVE-2026-23191

CVSS scores:

* CVE-2021-47110 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2021-47110 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

* CVE-2025-21738 ( 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-2025-21738 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-21738 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-23074 ( 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-2026-23074 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1130-1
Release Date: 2026-03-27T15:47:44Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE DoS memory corruption important kernel

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here