SUSE-SU-2026:2331-1: important: Security update for the Linux Kernel
SLE-SECURITY-UPDATES
null at suse.de
Wed Jun 10 16:31:19 UTC 2026
# 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
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