SUSE · Security update for the Linux Kernel
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited.
Data as of 28 Oct 2026, 19:27 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 23 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
Description
The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-38234: sched/rt: Fix race in push_rt_task (bsc#1246057). - CVE-2026-23103: ipvlan: Make the addrs_lock be per port (bsc#1257773). - CVE-2026-23243: RDMA/umad: Reject negative data_len in ib_umad_write (bsc#1259797). - CVE-2026-23272: netfilter: nf_tables: unconditionally bump set->nelems before insertion (bsc#1260009). - CVE-2026-23274: netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer labels (bsc#1260005). - CVE-2026-23293: net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled (bsc#1260486). - CVE-2026-23398: icmp: fix NULL pointer dereference in icmp_tag_validation() (bsc#1260730).
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/suse-su-2026_1575-1.json (opens in a new tab)
- suse.com/support/update/announcement/2026/suse-su-20261575-1/ (opens in a new tab)
- lists.suse.com/pipermail/sle-updates/2026-April/045915.html (opens in a new tab)
- bugzilla.suse.com/1246057 (opens in a new tab)
- bugzilla.suse.com/1257773 (opens in a new tab)
- bugzilla.suse.com/1259797 (opens in a new tab)
- bugzilla.suse.com/1260005 (opens in a new tab)
- bugzilla.suse.com/1260009 (opens in a new tab)
- bugzilla.suse.com/1260486 (opens in a new tab)
- bugzilla.suse.com/1260730 (opens in a new tab)
- suse.com/security/cve/CVE-2025-38234/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-23103/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-23243/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-23272/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-23274/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-23293/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-23398/ (opens in a new tab)