SUSE: kernel-livepatch-MICRO Moderate Update CVE-2025-21999 2025:20707-1
suse
September 17, 2025
* bsc#1242579 * bsc#1244235 * bsc#1245505 * bsc#1245775 * bsc#1245791
Summary
## This update for kernel-livepatch-MICRO-6-0-RT_Update_7 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-2025-38000: 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-2025-38212: ipc: fix to protect IPCS lookups using RCU (bsc#1246030) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Topics Covered
References
* bsc#1242579
* bsc#1244235
* bsc#1245505
* bsc#1245775
* bsc#1245791
* bsc#1246030
* bsc#1248108
Cross-
* CVE-2025-21999
* CVE-2025-37890
* CVE-2025-38000
* CVE-2025-38001
* CVE-2025-38087
* CVE-2025-38212
CVSS scores:
* 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
* CVE-2025-37890 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-38000 ( 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-2025-38000 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-38001 ( SUSE ): 8.5
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Announcement ID: SUSE-SU-2025:20707-1
Release Date: 2025-09-11T15:44:56Z
Rating: moderate
Topics Covered
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