Alerts This Week
Warning Icon 1 652
Alerts This Week
Warning Icon 1 652

SUSE OS 12 SP5 Kernel Vulnerability Fix SUSE-SU-2026-1781-2

suse
Calendar Grey May 11, 2026
Dist Suse Esm H88
Four vulnerabilities in SUSE Linux kernel now patched; critical update for kernel security.
An update that solves four vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise kernel 4.12.14-122.255 fixes various security issues The following security issues were fixed: * CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size (bsc#1258073). * CVE-2026-23004: dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list() (bsc#1258655). * CVE-2026-23204: net/sched: cls_u32: use skb_header_pointer_careful() (bsc#1259126). * CVE-2026-31431: crypto: algif_aead - Revert to operating out-of-place (bsc#1263689). ## 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 Live Patching 12-SP5

Topics%20covered

Topics Covered

security advisory remote exploit SuSE important kernel network issue

References

* bsc#1258073

* bsc#1258655

* bsc#1259126

* bsc#1263689

Cross-

* CVE-2025-38375

* CVE-2026-23004

* CVE-2026-23204

* CVE-2026-31431

CVSS scores:

* CVE-2025-38375 ( SUSE ): 7.3

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

* CVE-2025-38375 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-38375 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-23004 ( SUSE ): 7.3

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

* CVE-2026-23004 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-23004 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-23004 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-23204 ( SUSE ): 6.8

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1780-1
Release Date: 2026-05-08T17:04:05Z
Rating: important

Topics%20covered

Topics Covered

security advisory remote exploit SuSE important kernel network issue

Get the latest News and Insights

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

Your message here