|
|
Log in / Subscribe / Register

SUSE alert SUSE-SU-2026:2331-1 (kernel)



From:
              SLE-SECURITY-UPDATES <null@suse.de>


To:
              sle-security-updates@lists.suse.com


Subject:
              SUSE-SU-2026:2331-1: important: Security update for the Linux Kernel


Date:
              Wed, 10 Jun 2026 16:31:19 -0000


Message-ID:
              <178110907955.377.16145511703916306341@7a13588ea82f>


# Security update for the Linux Kernel

Announcement ID: SUSE-SU-2026:2331-1  
Release Date: 2026-06-10T08:40:38Z  
Rating: important  
References:

  * bsc#1261700
  * bsc#1263790
  * bsc#1263995
  * bsc#1264093
  * bsc#1264551
  * bsc#1266001
  * bsc#1266009
  * bsc#1266238
  * bsc#1266711
  * bsc#1266901
  * bsc#1266969
  * bsc#1267205
  * bsc#1267220

  
Cross-References:

  * CVE-2026-31405
  * CVE-2026-31629
  * CVE-2026-31758
  * CVE-2026-43037
  * CVE-2026-43206
  * CVE-2026-43499
  * CVE-2026-43501
  * CVE-2026-45852
  * CVE-2026-45970
  * CVE-2026-46021
  * CVE-2026-46043
  * CVE-2026-46113
  * CVE-2026-46243

  
CVSS scores:

  * CVE-2026-31405 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-31405 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-31405 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-31629 ( SUSE ):  8.7
    CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-31629 ( SUSE ):  8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-31629 ( NVD ):  8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-31758 ( 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-2026-31758 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-31758 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-43037 ( SUSE ):  7.7
    CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-43037 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-43037 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-43206 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-43206 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-43499 ( 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-2026-43499 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-43499 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-43501 ( SUSE ):  7.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-43501 ( SUSE ):  7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-43501 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-45852 ( 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-2026-45852 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-45852 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-45970 ( 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-2026-45970 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-45970 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46021 ( 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-2026-46021 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46043 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-46043 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-46043 ( NVD ):  9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
  * CVE-2026-46113 ( SUSE ):  9.3
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  * CVE-2026-46113 ( SUSE ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-46113 ( NVD ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-46243 ( 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-2026-46243 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46243 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46243 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

  
Affected Products:

  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4

  
  
An update that solves 13 vulnerabilities can now be installed.

## Description:

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security
issues

The following security issues were fixed:

  * CVE-2026-31405: media: dvb-net: fix OOB access in ULE extension header
    tables (bsc#1261700).
  * CVE-2026-31629: nfc: llcp: add missing return after LLCP_CLOSED checks
    (bsc#1263790).
  * CVE-2026-31758: usb: usbtmc: Flush anchored URBs in usbtmc_release
    (bsc#1264093).
  * CVE-2026-43037: ip6_tunnel: clear skb2->cb in ip4ip6_err() (bsc#1263995).
  * CVE-2026-43206: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set()
    (bsc#1264551).
  * CVE-2026-43499: rtmutex: Use waiter::task instead of current in
    remove_waiter() (bsc#1266001).
  * CVE-2026-43501: ipv6: rpl: reserve mac_len headroom when recompressed SRH
    grows (bsc#1266009).
  * CVE-2026-45852: RDMA/rxe: Fix double free in rxe_srq_from_init
    (bsc#1266711).
  * CVE-2026-45970: bonding: alb: fix UAF in rlb_arp_recv during bond up/down
    (bsc#1267205).
  * CVE-2026-46021: thermal: core: Fix thermal zone governor cleanup issues
    (bsc#1267220).
  * CVE-2026-46043: RDMA/rxe: Validate pad and ICRC before payload_size() in
    rxe_rcv (bsc#1266901).
  * CVE-2026-46113: KVM: x86/mmu: Add helper to convert SPTE value to its shadow
    page (bsc#1266969).
  * CVE-2026-46243: smb: client: reject userspace cifs.spnego descriptions
    (bsc#1266238).

The following non security issues were fixed:

  * arm64: tlb: Allow XZR argument to TLBI ops (git-fixes).
  * arm64: tlb: Optimize ARM64_WORKAROUND_REPEAT_TLBI (git-fixes).

## 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:

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-2331=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-2331=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-2331=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-2331=1

## Package List:

  * SUSE Linux Enterprise Micro for Rancher 5.3 (nosrc x86_64)
    * kernel-rt-5.14.21-150400.15.170.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (x86_64)
    * kernel-rt-debuginfo-5.14.21-150400.15.170.1
    * kernel-rt-debugsource-5.14.21-150400.15.170.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (noarch)
    * kernel-source-rt-5.14.21-150400.15.170.1
  * SUSE Linux Enterprise Micro 5.3 (nosrc x86_64)
    * kernel-rt-5.14.21-150400.15.170.1
  * SUSE Linux Enterprise Micro 5.3 (x86_64)
    * kernel-rt-debuginfo-5.14.21-150400.15.170.1
    * kernel-rt-debugsource-5.14.21-150400.15.170.1
  * SUSE Linux Enterprise Micro 5.3 (noarch)
    * kernel-source-rt-5.14.21-150400.15.170.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (nosrc x86_64)
    * kernel-rt-5.14.21-150400.15.170.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (x86_64)
    * kernel-rt-debuginfo-5.14.21-150400.15.170.1
    * kernel-rt-debugsource-5.14.21-150400.15.170.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (noarch)
    * kernel-source-rt-5.14.21-150400.15.170.1
  * SUSE Linux Enterprise Micro 5.4 (nosrc x86_64)
    * kernel-rt-5.14.21-150400.15.170.1
  * SUSE Linux Enterprise Micro 5.4 (x86_64)
    * kernel-rt-debuginfo-5.14.21-150400.15.170.1
    * kernel-rt-debugsource-5.14.21-150400.15.170.1
  * SUSE Linux Enterprise Micro 5.4 (noarch)
    * kernel-source-rt-5.14.21-150400.15.170.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-31405.html
  * https://www.suse.com/security/cve/CVE-2026-31629.html
  * https://www.suse.com/security/cve/CVE-2026-31758.html
  * https://www.suse.com/security/cve/CVE-2026-43037.html
  * https://www.suse.com/security/cve/CVE-2026-43206.html
  * https://www.suse.com/security/cve/CVE-2026-43499.html
  * https://www.suse.com/security/cve/CVE-2026-43501.html
  * https://www.suse.com/security/cve/CVE-2026-45852.html
  * https://www.suse.com/security/cve/CVE-2026-45970.html
  * https://www.suse.com/security/cve/CVE-2026-46021.html
  * https://www.suse.com/security/cve/CVE-2026-46043.html
  * https://www.suse.com/security/cve/CVE-2026-46113.html
  * https://www.suse.com/security/cve/CVE-2026-46243.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1261700
  * https://bugzilla.suse.com/show_bug.cgi?id=1263790
  * https://bugzilla.suse.com/show_bug.cgi?id=1263995
  * https://bugzilla.suse.com/show_bug.cgi?id=1264093
  * https://bugzilla.suse.com/show_bug.cgi?id=1264551
  * https://bugzilla.suse.com/show_bug.cgi?id=1266001
  * https://bugzilla.suse.com/show_bug.cgi?id=1266009
  * https://bugzilla.suse.com/show_bug.cgi?id=1266238
  * https://bugzilla.suse.com/show_bug.cgi?id=1266711
  * https://bugzilla.suse.com/show_bug.cgi?id=1266901
  * https://bugzilla.suse.com/show_bug.cgi?id=1266969
  * https://bugzilla.suse.com/show_bug.cgi?id=1267205
  * https://bugzilla.suse.com/show_bug.cgi?id=1267220





Attachment: None (type=text/html)

(HTML attachment elided)
to post comments


Copyright © 2026, Eklektix, Inc.
Comments and public postings are copyrighted by their creators.
Linux is a registered trademark of Linus Torvalds