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SUSE Kernel Important Security Fix Advisory 2026-2421-1

suse
Calendar Grey June 16, 2026
Dist Suse Esm H88
SUSE's latest important update resolves eight significant issues in kernel with cross-referenced CVEs.
An update that solves eight vulnerabilities can now be installed.

Summary

## The SUSE Linux Enterprise 15 SP5 kernel was updated to fix various security issues The following security issues were fixed: * CVE-2026-31629: nfc: llcp: add missing return after LLCP_CLOSED checks (bsc#1263790). * 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-2026-46043: RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv (bsc#1266901).

Topics%20covered

Topics Covered

security advisory security issue update SuSE important kernel

References

* bsc#1263790

* bsc#1263995

* bsc#1264551

* bsc#1266001

* bsc#1266009

* bsc#1266238

* bsc#1266711

* bsc#1266901

Cross-

* CVE-2026-31629

* CVE-2026-43037

* CVE-2026-43206

* CVE-2026-43499

* CVE-2026-43501

* CVE-2026-45852

* CVE-2026-46043

* CVE-2026-46243

CVSS scores:

* 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-2026-43037 ( 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2421-1
Release Date: 2026-06-16T14:36:07Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue update SuSE important kernel

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