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SUSE Linux Micro 6.2 Kernel Important Fix 2025:21080-1 CVE-2025-21816

suse
Calendar Grey November 28, 2025
Dist Suse Esm H88
SUSE Linux Micro 6.2 kernel updated, fixing 83 issues with important security measures. Immediate action recommended.
* bsc#1218644 * bsc#1238472 * bsc#1239206 * bsc#1241166 * bsc#1241637

Summary

## The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: * CVE-2025-21816: hrtimers: Force migrate away hrtimers queued after (bsc#1238472). * CVE-2025-38653: proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al (bsc#1248630). * CVE-2025-38718: sctp: linearize cloned gso packets in sctp_rcv (bsc#1249161). * CVE-2025-39676: scsi: qla4xxx: Prevent a potential error pointer dereference (bsc#1249302). * CVE-2025-39702: ipv6: sr: Fix MAC comparison to be constant-time (bsc#1249317). * CVE-2025-39756: fs: Prevent file descriptor table allocations exceeding INT_MAX (bsc#1249512). * CVE-2025-39779: btrfs: subpage: keep TOWRITE tag until folio is cleaned (bsc#1249495).

Topics%20covered

Topics Covered

security advisory security issue update SuSE important kernel

References

* bsc#1218644

* bsc#1238472

* bsc#1239206

* bsc#1241166

* bsc#1241637

* bsc#1247222

* bsc#1248630

* bsc#1249161

* bsc#1249226

* bsc#1249302

* bsc#1249317

* bsc#1249397

* bsc#1249398

* bsc#1249495

* bsc#1249512

* bsc#1249608

* bsc#1249735

* bsc#1250202

* bsc#1250379

* bsc#1250400

* bsc#1250455

* bsc#1250491

* bsc#1250704

* bsc#1250721

* bsc#1250749

* bsc#1250946

* bsc#1251176

* bsc#1251177

* bsc#1251232

* bsc#1251233

* bsc#1251804

* bsc#1251809

* bsc#1251819

* bsc#1251930

* bsc#1251967

* bsc#1252033

* bsc#1252035

* bsc#1252039

* bsc#1252044

* bsc#1252047

* bsc#1252051

* bsc#1252052

* bsc#1252056

* bsc#1252060

* bsc#1252062

* bsc#1252064

* bsc#1252065

* bsc#1252067

* bsc#1252069

* bsc#1252070

* bsc#1252072

* bsc#1252074

* bsc#1252075

* bsc#1252076

* bsc#1252078

* bsc#1252079

* bsc#1252081

* bsc#1252082

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:21080-1
Release Date: 2025-11-26T15:35:13Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue update SuSE important kernel

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