# Security update for the Linux Kernel

Announcement ID: SUSE-SU-2025:02852-1  
Release Date: 2025-08-18T15:58:14Z  
Rating: important  
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

  
Cross-References:

  * CVE-2022-49138
  * CVE-2022-49770
  * CVE-2023-52923
  * CVE-2023-52927
  * CVE-2024-26643
  * CVE-2024-53057
  * CVE-2024-53164
  * CVE-2024-57947
  * CVE-2025-21701
  * CVE-2025-21971
  * CVE-2025-37797
  * CVE-2025-37798
  * CVE-2025-38079
  * CVE-2025-38088
  * CVE-2025-38120
  * CVE-2025-38177
  * CVE-2025-38181
  * CVE-2025-38200
  * CVE-2025-38206
  * CVE-2025-38212
  * CVE-2025-38213
  * CVE-2025-38257
  * CVE-2025-38289
  * CVE-2025-38350
  * CVE-2025-38468
  * CVE-2025-38477
  * CVE-2025-38494
  * CVE-2025-38495
  * CVE-2025-38497

  
CVSS scores:

  * CVE-2022-49138 ( SUSE ):  2.0
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
  * CVE-2022-49138 ( SUSE ):  4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
  * CVE-2022-49770 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-52923 ( SUSE ):  5.7
    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2023-52923 ( SUSE ):  4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  * 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
  * CVE-2023-52927 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-26643 ( SUSE ):  6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-26643 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-53057 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-53057 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-53057 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-53164 ( SUSE ):  5.7
    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2024-53164 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-57947 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2024-57947 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-21701 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-21971 ( 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-2025-21971 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/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
  * CVE-2025-37798 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38079 ( 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-2025-38079 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38088 ( 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-2025-38088 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38120 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-38120 ( SUSE ):  4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2025-38177 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38177 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38181 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38181 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-38200 ( SUSE ):  6.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38200 ( SUSE ):  6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
  * CVE-2025-38206 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38206 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38212 ( 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-2025-38212 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38213 ( SUSE ):  8.4
    CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38213 ( SUSE ):  6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38257 ( 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-2025-38257 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38289 ( SUSE ):  8.4
    CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38289 ( SUSE ):  6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38350 ( SUSE ):  7.0
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38350 ( SUSE ):  7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
  * CVE-2025-38468 ( 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-2025-38468 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-38477 ( 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-2025-38477 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38494 ( 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-2025-38494 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38495 ( 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-2025-38495 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38497 ( SUSE ):  5.8
    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38497 ( SUSE ):  5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H

  
Affected Products:

  * openSUSE Leap 15.5
  * SUSE Linux Enterprise Micro 5.5

  
  
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
    (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).
  * CVE-2025-38200: i40e: fix MMIO write access to an invalid page in
    i40e_clear_hw (bsc#1246045).
  * CVE-2025-38206: exfat: fix double free in delayed_free (bsc#1246073).
  * CVE-2025-38212: ipc: fix to protect IPCS lookups using RCU (bsc#1246029).
  * CVE-2025-38213: vgacon: Add check for vc_origin address range in
    vgacon_scroll() (bsc#1246037).
  * CVE-2025-38257: s390/pkey: Prevent overflow in size calculation for
    memdup_user() (bsc#1246186).
  * CVE-2025-38289: scsi: lpfc: Avoid potential ndlp use-after-free in
    dev_loss_tmo_callbk (bsc#1246287).
  * CVE-2025-38350: net/sched: Always pass notifications when child class
    becomes empty (bsc#1246781).
  * CVE-2025-38468: net/sched: Return NULL when htb_lookup_leaf encounters an
    empty rbtree (bsc#1247437).
  * CVE-2025-38477: net/sched: sch_qfq: Avoid triggering might_sleep in atomic
    context in qfq_delete_class (bsc#1247314).
  * CVE-2025-38494: HID: core: do not bypass hid_hw_raw_request (bsc#1247349).
  * CVE-2025-38495: HID: core: ensure the allocated report buffer can contain
    the reserved report ID (bsc#1247348).
  * CVE-2025-38497: usb: gadget: configfs: Fix OOB read on empty string write
    (bsc#1247347).

The following non-security bugs were fixed:

  * Revert "hugetlb: unshare some PMDs when splitting VMAs" (bsc#1245431).
  * Revert "mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race"
  * Revert "mm/hugetlb: unshare page tables during VMA split, not before"
  * bnxt_en: Fix GSO type for HW GRO packets on 5750X chips (bsc#1244523).
  * net: usb: usbnet: restore usb%d name exception for local mac addresses
    (bsc#1234480 bsc#1246555).

## Special Instructions and Notes:

  * Please reboot the system after installing this update.

## 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
    * cluster-md-kmp-rt-debuginfo-5.14.21-150500.13.103.2
    * cluster-md-kmp-rt-5.14.21-150500.13.103.2
    * kernel-rt_debug-vdso-5.14.21-150500.13.103.2
    * kernel-rt_debug-devel-debuginfo-5.14.21-150500.13.103.2
    * dlm-kmp-rt-5.14.21-150500.13.103.2
    * kernel-rt-debuginfo-5.14.21-150500.13.103.2
    * kernel-rt-extra-5.14.21-150500.13.103.2
    * gfs2-kmp-rt-5.14.21-150500.13.103.2
    * kernel-rt-livepatch-devel-5.14.21-150500.13.103.2
    * kernel-rt_debug-debuginfo-5.14.21-150500.13.103.2
    * dlm-kmp-rt-debuginfo-5.14.21-150500.13.103.2
    * kernel-rt_debug-devel-5.14.21-150500.13.103.2
    * kernel-rt-debugsource-5.14.21-150500.13.103.2
  * openSUSE Leap 15.5 (nosrc x86_64)
    * kernel-rt-5.14.21-150500.13.103.2
    * kernel-rt_debug-5.14.21-150500.13.103.2
  * SUSE Linux Enterprise Micro 5.5 (noarch)
    * kernel-source-rt-5.14.21-150500.13.103.2
    * kernel-devel-rt-5.14.21-150500.13.103.2
  * SUSE Linux Enterprise Micro 5.5 (nosrc x86_64)
    * kernel-rt-5.14.21-150500.13.103.2
  * SUSE Linux Enterprise Micro 5.5 (x86_64)
    * kernel-rt-debuginfo-5.14.21-150500.13.103.2
    * kernel-rt-debugsource-5.14.21-150500.13.103.2

## 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
  * https://www.suse.com/security/cve/CVE-2025-21971.html
  * https://www.suse.com/security/cve/CVE-2025-37797.html
  * https://www.suse.com/security/cve/CVE-2025-37798.html
  * https://www.suse.com/security/cve/CVE-2025-38079.html
  * https://www.suse.com/security/cve/CVE-2025-38088.html
  * https://www.suse.com/security/cve/CVE-2025-38120.html
  * https://www.suse.com/security/cve/CVE-2025-38177.html
  * https://www.suse.com/security/cve/CVE-2025-38181.html
  * https://www.suse.com/security/cve/CVE-2025-38200.html
  * https://www.suse.com/security/cve/CVE-2025-38206.html
  * https://www.suse.com/security/cve/CVE-2025-38212.html
  * https://www.suse.com/security/cve/CVE-2025-38213.html
  * https://www.suse.com/security/cve/CVE-2025-38257.html
  * https://www.suse.com/security/cve/CVE-2025-38289.html
  * https://www.suse.com/security/cve/CVE-2025-38350.html
  * https://www.suse.com/security/cve/CVE-2025-38468.html
  * https://www.suse.com/security/cve/CVE-2025-38477.html
  * https://www.suse.com/security/cve/CVE-2025-38494.html
  * https://www.suse.com/security/cve/CVE-2025-38495.html
  * https://www.suse.com/security/cve/CVE-2025-38497.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1206051
  * https://bugzilla.suse.com/show_bug.cgi?id=1221829
  * https://bugzilla.suse.com/show_bug.cgi?id=1233551
  * https://bugzilla.suse.com/show_bug.cgi?id=1234480
  * https://bugzilla.suse.com/show_bug.cgi?id=1234863
  * https://bugzilla.suse.com/show_bug.cgi?id=1236104
  * https://bugzilla.suse.com/show_bug.cgi?id=1236333
  * https://bugzilla.suse.com/show_bug.cgi?id=1237164
  * https://bugzilla.suse.com/show_bug.cgi?id=1238160
  * https://bugzilla.suse.com/show_bug.cgi?id=1239644
  * https://bugzilla.suse.com/show_bug.cgi?id=1240799
  * https://bugzilla.suse.com/show_bug.cgi?id=1242414
  * https://bugzilla.suse.com/show_bug.cgi?id=1242417
  * https://bugzilla.suse.com/show_bug.cgi?id=1244309
  * https://bugzilla.suse.com/show_bug.cgi?id=1244523
  * https://bugzilla.suse.com/show_bug.cgi?id=1245217
  * https://bugzilla.suse.com/show_bug.cgi?id=1245431
  * https://bugzilla.suse.com/show_bug.cgi?id=1245506
  * https://bugzilla.suse.com/show_bug.cgi?id=1245711
  * https://bugzilla.suse.com/show_bug.cgi?id=1245986
  * https://bugzilla.suse.com/show_bug.cgi?id=1246000
  * https://bugzilla.suse.com/show_bug.cgi?id=1246029
  * https://bugzilla.suse.com/show_bug.cgi?id=1246037
  * https://bugzilla.suse.com/show_bug.cgi?id=1246045
  * https://bugzilla.suse.com/show_bug.cgi?id=1246073
  * https://bugzilla.suse.com/show_bug.cgi?id=1246186
  * https://bugzilla.suse.com/show_bug.cgi?id=1246287
  * https://bugzilla.suse.com/show_bug.cgi?id=1246555
  * https://bugzilla.suse.com/show_bug.cgi?id=1246781
  * https://bugzilla.suse.com/show_bug.cgi?id=1247314
  * https://bugzilla.suse.com/show_bug.cgi?id=1247347
  * https://bugzilla.suse.com/show_bug.cgi?id=1247348
  * https://bugzilla.suse.com/show_bug.cgi?id=1247349
  * https://bugzilla.suse.com/show_bug.cgi?id=1247437