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SUSE: Linux Kernel Important Security Update Advisory 2025:02607-1

suse
Calendar Grey August 4, 2025
Scroller Suse
A crucial security enhancement for the Linux Kernel tackles several weaknesses and includes guidance for applying patches.
* bsc#1235250 * bsc#1245776 * bsc#1245793 * bsc#1245797

Summary

## This update for the Linux Kernel 5.3.18-150300_59_185 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: * openSUSE Leap 15.3 zypper in -t patch SUSE-2025-2607=1 SUSE-2025-2609=1 * SUSE Linux Enterprise Live Patching 15-SP3

Topics%20covered

Topics Covered

security advisory SuSE patch important Linux kernel documented issue

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

* SUSE Linux Enterprise High Performance Computing 15 SP3

* SUSE Linux Enterprise Live Patching 15-SP3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:02607-1
Release Date: 2025-08-03T02:34:31Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE patch important Linux kernel documented issue

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