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SUSE Linux Kernel Security Updates CVE-2023-52927 and CVE-2024-53057

suse
Calendar Grey August 18, 2025
Dist Suse Esm H88
SUSE reveals critical security patch targeting significant Linux Kernel vulnerabilities, including security enhancements and reboot guidelines.
* bsc#1233551 * bsc#1234863 * bsc#1236333 * bsc#1239644 * bsc#1242414

Summary

## The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: * CVE-2022-49138: Bluetooth: hci_event: Fix checking conn for le_conn_complete_evt (bsc#1238160). * CVE-2023-52927: netfilter: allow exp not to be removed in nf_ct_find_expectation (bsc#1239644). * CVE-2024-53057: net/sched: stop qdisc_tree_reduce_backlog on TC_H_ROOT (bsc#1233551). * CVE-2024-53164: net: sched: fix ordering of qlen adjustment (bsc#1234863). * CVE-2025-37797: net_sched: hfsc: Fix a UAF vulnerability in class handling (bsc#1242417). * CVE-2025-38079: crypto: algif_hash - fix double free in hash_accept (bsc#1245217). * CVE-2025-38181: calipso: Fix null-ptr-deref in calipso_req_{set,del}attr() (bsc#1246000).

Topics%20covered

Topics Covered

security advisory security issue SuSE code execution important kernel

References

* bsc#1233551

* bsc#1234863

* bsc#1236333

* bsc#1239644

* bsc#1242414

* bsc#1242417

* bsc#1245217

* bsc#1245711

* bsc#1245986

* bsc#1246000

* bsc#1246029

* bsc#1246037

* bsc#1246045

* bsc#1246186

* bsc#1247347

* bsc#1247348

* bsc#1247349

Cross-

* CVE-2023-52927

* CVE-2024-53057

* CVE-2024-53164

* CVE-2024-57947

* CVE-2025-37797

* CVE-2025-37798

* CVE-2025-38079

* CVE-2025-38120

* CVE-2025-38177

* CVE-2025-38181

* CVE-2025-38200

* CVE-2025-38212

* CVE-2025-38213

* CVE-2025-38257

* CVE-2025-38494

* CVE-2025-38495

* CVE-2025-38497

CVSS scores:

* CVE-2023-52927 ( SUSE ): 8.5

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2023-52927 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:02850-1
Release Date: 2025-08-18T15:57:32Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE code execution important kernel

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