SUSE: Linux Kernel RT Important Security Update Advisory 2025:02648-1
suse
August 4, 2025
* bsc#1235250 * bsc#1245776 * bsc#1245793 * bsc#1245797
Summary
## This update for the Linux Kernel 6.4.0-150600_10_23 fixes several issues. The following security issues were fixed: * CVE-2024-56664: bpf, sockmap: Fix race between element replace and close() (bsc#1235250). * CVE-2025-37797: net_sched: hfsc: Fix a UAF vulnerability in class handling (bsc#1245793). * CVE-2025-37752: net_sched: sch_sfq: move the limit validation (bsc#1245776). * CVE-2025-21702: pfifo_tail_enqueue: Drop new packet when sch->limit == 0 (bsc#1245797). ## 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 zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2025-2648=1 SUSE-SLE-Live-
Topics Covered
References
* bsc#1235250
* bsc#1245776
* bsc#1245793
* bsc#1245797
Cross-
* CVE-2024-56664
* CVE-2025-21702
* CVE-2025-37752
* CVE-2025-37797
CVSS scores:
* CVE-2024-56664 ( 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-2024-56664 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2024-56664 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-21702 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-37752 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-37797 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
* openSUSE Leap 15.3
* openSUSE Leap 15.5
* SUSE Linux Enterprise High Performance Computing 12 SP5
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Severity
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Announcement ID: SUSE-SU-2025:02648-1
Release Date: 2025-08-04T10:05:04Z
Rating: important
Topics Covered
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