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SUSE 12 SP5 Kernel Important Security Fix 2026-1790-1 CVE-2025-38375

suse
Calendar Grey May 11, 2026
Dist Suse Esm H88
An important update to SUSE Linux kernel fixes four security issues, ensuring system stability and security enhancement.
An update that solves four vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise kernel 4.12.14-122.266 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 SuSE DoS patch important kernel

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-2026:1790-1
Release Date: 2026-05-09T11:04:04Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE DoS patch important kernel

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