SUSE Linux Enterprise 15 SP7 Kernel RT Important Live Patch 2026-1684

## This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.8 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-2025-39977: futex: Prevent use-after-free during requeue-PI (bsc#1252048). * CVE-2025-71066: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change (bsc#1258005). * 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: Read the Full Advisory

## This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.8 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-2025-39977: futex: Prevent use-after-free during requeue-PI (bsc#1252048). * CVE-2025-71066: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change (bsc#1258005). * 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: Read the Full Advisory

* bsc#1252048 * bsc#1258005 * bsc#1258073 * bsc#1258655 * bsc#1259126 * bsc#1263689 Cross- * CVE-2025-38375 * CVE-2025-39977 * CVE-2025-71066 * 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-2025-39977 ( 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-2025-39977 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-71066 ( 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 ( SUSE ): 7.3 Read the Full Advisory

* 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-2025-39977 ( 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-2025-39977 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-71066 ( 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 ( SUSE ): 7.3

Read the Full Advisory