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openSUSE: Linux Kernel Important Security Fix 2025:02852-1

opensuse
Calendar Grey August 18, 2025
Dist Opensuse Esm H88
Resolve critical security flaws in the Linux Kernel through the newest openSUSE upgrade, tackling essential vulnerabilities.
An update that solves 29 vulnerabilities and has five security fixes can now be installed.

Description

The SUSE Linux Enterprise 15 SP5 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-2023-52923: netfilter: nf_tables: split async and sync catchall in two

functions (bsc#1236104).

* CVE-2023-52927: netfilter: allow exp not to be removed in

nf_ct_find_expectation (bsc#1239644).

* CVE-2024-26643: Fixed mark set as dead when unbinding anonymous set with

timeout (bsc#1221829).

* 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-2025-21701: net: avoid race between device unregistration and ethnl ops

(bsc#1237164).

* CVE-2025-21971: net_sched: Prevent creation of classes with TC_H_ROOT

(bsc#1240799).

* CVE-2025-37797: net_sched: hfsc: Fix a UAF vulnerability in class handling

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Topics%20covered

Topics Covered

security advisory important kernel system update OpenSUSE security bug

Patch

## 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 15.5

zypper in -t patch SUSE-2025-2852=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2025-2852=1

Package List

* openSUSE Leap 15.5 (noarch)

* kernel-source-rt-5.14.21-150500.13.103.2

* kernel-devel-rt-5.14.21-150500.13.103.2

* openSUSE Leap 15.5 (x86_64)

* kernel-rt-livepatch-5.14.21-150500.13.103.2

* kselftests-kmp-rt-debuginfo-5.14.21-150500.13.103.2

* reiserfs-kmp-rt-debuginfo-5.14.21-150500.13.103.2

* kernel-rt_debug-vdso-debuginfo-5.14.21-150500.13.103.2

* ocfs2-kmp-rt-5.14.21-150500.13.103.2

* reiserfs-kmp-rt-5.14.21-150500.13.103.2

* kselftests-kmp-rt-5.14.21-150500.13.103.2

* kernel-rt-devel-5.14.21-150500.13.103.2

* kernel-rt-vdso-debuginfo-5.14.21-150500.13.103.2

* kernel-rt-optional-debuginfo-5.14.21-150500.13.103.2

* kernel-rt_debug-debugsource-5.14.21-150500.13.103.2

* gfs2-kmp-rt-debuginfo-5.14.21-150500.13.103.2

* kernel-rt-optional-5.14.21-150500.13.103.2

* ocfs2-kmp-rt-debuginfo-5.14.21-150500.13.103.2

* kernel-rt-devel-debuginfo-5.14.21-150500.13.103.2

* kernel-rt-extra-debuginfo-5.14.21-150500.13.103.2

* kernel-rt-vdso-5.14.21-150500.13.103.2

*...

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References

* bsc#1206051

* bsc#1221829

* bsc#1233551

* bsc#1234480

* bsc#1234863

* bsc#1236104

* bsc#1236333

* bsc#1237164

* bsc#1238160

* bsc#1239644

* bsc#1240799

* bsc#1242414

* bsc#1242417

* bsc#1244309

* bsc#1244523

* bsc#1245217

* bsc#1245431

* bsc#1245506

* bsc#1245711

* bsc#1245986

* bsc#1246000

* bsc#1246029

* bsc#1246037

* bsc#1246045

* bsc#1246073

* bsc#1246186

* bsc#1246287

* bsc#1246555

* bsc#1246781

* bsc#1247314

* bsc#1247347

* bsc#1247348

* bsc#1247349

* bsc#1247437

## References:

* https://www.suse.com/security/cve/CVE-2022-49138.html

* https://www.suse.com/security/cve/CVE-2022-49770.html

* https://www.suse.com/security/cve/CVE-2023-52923.html

* https://www.suse.com/security/cve/CVE-2023-52927.html

* https://www.suse.com/security/cve/CVE-2024-26643.html

* https://www.suse.com/security/cve/CVE-2024-53057.html

* https://www.suse.com/security/cve/CVE-2024-53164.html

* https://www.suse.com/security/cve/CVE-2024-57947.html

* https://www.suse.com/security/cve/CVE-2025-21701.html

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:02852-1
Release Date: 2025-08-18T15:58:14Z
Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise Micro 5.5

Topics%20covered

Topics Covered

security advisory important kernel system update OpenSUSE security bug

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