SUSE: kernel-livepatch-MICRO Moderate Security Threats SUSE-SU-2025:20767-1
suse
September 26, 2025
* bsc#1236207 * bsc#1242579 * bsc#1244235 * bsc#1245505 * bsc#1245775
Summary
## This update for kernel-livepatch-MICRO-6-0_Update_5 fixes the following issues: * CVE-2025-38087: net/sched: fix use-after-free in taprio_dev_notifier (bsc#1245505) * CVE-2025-21999: proc: fix UAF in proc_get_inode() (bsc#1242579) * CVE-2025-38001: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice (bsc#1244235) * CVE-2025-21659: netdev: prevent accessing NAPI instances from another namespace (bsc#1236207) * CVE-2025-38000: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() (bsc#1245775) * CVE-2025-37890: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc (bsc#1245791) * CVE-2025-21701: net: avoid race between device unregistration and ethnl ops (bsc#1245805)
Topics Covered
References
* bsc#1236207
* bsc#1242579
* bsc#1244235
* bsc#1245505
* bsc#1245775
* bsc#1245791
* bsc#1245805
* bsc#1246030
* bsc#1248108
Cross-
* CVE-2025-21659
* CVE-2025-21701
* CVE-2025-21999
* CVE-2025-37890
* CVE-2025-38000
* CVE-2025-38001
* CVE-2025-38087
* CVE-2025-38212
CVSS scores:
* CVE-2025-21659 ( SUSE ): 8.4
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2025-21659 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
* CVE-2025-21701 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-21999 ( SUSE ): 6.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2025-21999 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-21999 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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Announcement ID: SUSE-SU-2025:20767-1
Release Date: 2025-09-11T15:46:44Z
Rating: moderate
Topics Covered
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