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openSUSE Leap 16.0 Kernel Important Fix DoS Buffer Overflow 20572-1

opensuse
Calendar Grey April 21, 2026
Dist Opensuse Esm H88
OpenSUSE's kernel update addresses 49 security issues and 72 bug fixes, enhancing system stability and safety.
An update that solves 49 vulnerabilities and has 72 bug fixes can now be installed.

Description

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues

The following security issues were fixed:

- CVE-2025-39998: scsi: target: target_core_configfs: Add length check to avoid buffer overflow (bsc#1252073).

- CVE-2025-40253: s390/ctcm: Fix double-kfree (bsc#1255084).

- CVE-2025-68794: iomap: adjust read range correctly for non-block-aligned positions (bsc#1256647).

- CVE-2025-71239: audit: add fchmodat2() to change attributes class (bsc#1259759).

- CVE-2026-23072: l2tp: Fix memleak in l2tp_udp_encap_recv() (bsc#1257708).

- CVE-2026-23103: ipvlan: Make the addrs_lock be per port (bsc#1257773).

- CVE-2026-23120: l2tp: avoid one data-race in l2tp_tunnel_del_work() (bsc#1258280).

- CVE-2026-23125: sctp: move SCTP_CMD_ASSOC_SHKEY right after SCTP_CMD_PEER_INIT (bsc#1258293).

- CVE-2026-23138: kABI: Preserve values of the trace recursion bits (bsc#1258301).

- CVE-2026-23140: bpf, test_run: Subtract size of xdp_frame from allowed metadata size (bsc#1258305).

-...

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Topics%20covered

Topics Covered

security advisory buffer overflow important memory leak kernel OpenSUSE

Patch

Package List

- openSUSE Leap 16.0:

cluster-md-kmp-64kb-6.12.0-160000.28.1

cluster-md-kmp-azure-6.12.0-160000.28.1

cluster-md-kmp-default-6.12.0-160000.28.1

cluster-md-kmp-rt-6.12.0-160000.28.1

dlm-kmp-64kb-6.12.0-160000.28.1

dlm-kmp-azure-6.12.0-160000.28.1

dlm-kmp-default-6.12.0-160000.28.1

dlm-kmp-rt-6.12.0-160000.28.1

dtb-allwinner-6.12.0-160000.28.1

dtb-altera-6.12.0-160000.28.1

dtb-amazon-6.12.0-160000.28.1

dtb-amd-6.12.0-160000.28.1

dtb-amlogic-6.12.0-160000.28.1

dtb-apm-6.12.0-160000.28.1

dtb-apple-6.12.0-160000.28.1

dtb-arm-6.12.0-160000.28.1

dtb-broadcom-6.12.0-160000.28.1

dtb-cavium-6.12.0-160000.28.1

dtb-exynos-6.12.0-160000.28.1

dtb-freescale-6.12.0-160000.28.1

dtb-hisilicon-6.12.0-160000.28.1

dtb-lg-6.12.0-160000.28.1

dtb-marvell-6.12.0-160000.28.1

dtb-mediatek-6.12.0-160000.28.1

dtb-nvidia-6.12.0-160000.28.1

dtb-qcom-6.12.0-160000.28.1

dtb-renesas-6.12.0-160000.28.1

dtb-rockchip-6.12.0-160000.28.1

dtb-socionext-6.12.0-160000.28.1

dtb-sprd-6.12.0-160000.28.1

dtb-xilinx-6.12.0-160000.28.1

gfs2-kmp-64kb-6.12.0-160000.2...

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References

* bsc#1191256

* bsc#1191270

* bsc#1194778

* bsc#1207184

* bsc#1217845

* bsc#1222768

* bsc#1243208

* bsc#1252073

* bsc#1253129

* bsc#1254214

* bsc#1254306

* bsc#1254307

* bsc#1255084

* bsc#1255687

* bsc#1256647

* bsc#1257183

* bsc#1257511

* bsc#1257708

* bsc#1257773

* bsc#1257777

* bsc#1258175

* bsc#1258280

* bsc#1258293

* bsc#1258301

* bsc#1258305

* bsc#1258330

* bsc#1258337

* bsc#1258340

* bsc#1258414

* bsc#1258447

* bsc#1258476

* bsc#1258849

* bsc#1259188

* bsc#1259461

* bsc#1259484

* bsc#1259485

* bsc#1259580

* bsc#1259707

* bsc#1259759

* bsc#1259795

* bsc#1259797

* bsc#1259870

* bsc#1259886

* bsc#1259891

* bsc#1259955

* bsc#1259997

* bsc#1259998

* bsc#1260005

* bsc#1260009

* bsc#1260347

* bsc#1260459

* bsc#1260464

* bsc#1260471

* bsc#1260481

* bsc#1260486

* bsc#1260490

* bsc#1260497

* bsc#1260500

* bsc#1260522

* bsc#1260527

* bsc#1260544

* bsc#1260550

* bsc#1260606

* bsc#1260730

* bsc#1260732

* bsc#1260735

* bsc#1260799

* bsc#1261496

* bsc#1261498

* bsc#1261506

* bsc#1261507

* bsc#1261669

References:

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:20572-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory buffer overflow important memory leak kernel OpenSUSE

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