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openSUSE Kernel Important Security Vulnerabilities Fix 2026-21388-1

opensuse
Calendar Grey July 23, 2026
Scroller Opensuse
An important security update for openSUSE kernel addresses 255 vulnerabilities and 285 bug fixes.
openSUSE released a security update addressing 255 vulnerabilities in its kernel, improving system security and stability across several affected products, prompting users to apply...

Description

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

The following security issues were fixed:

- CVE-2025-10263: arm64: cputype: Add C1-Premium definitions (bsc#1266290).

- CVE-2025-39894: netfilter: br_netfilter: do not check confirmed bit

in br_nf_local_in() after confirm (bsc#1262430).

- CVE-2025-40341: futex: Don't leak robust_list pointer on exec race (bsc#1255029).

- CVE-2026-23248: perf: Make perf_pmu_unregister() useable (bsc#1259800).

- CVE-2026-23394: Revert: "af_unix: Remove lock dance in unix_peek_fds()." (bsc#1260565).

- CVE-2026-23451: bonding: prevent potential infinite loop in bond_header_parse() (bsc#1261604).

- CVE-2026-31414: netfilter: nf_conntrack_expect: use expect->helper (bsc#1262085).

- CVE-2026-31429: net: skb: fix cross-cache free of KFENCE-allocated skb head (bsc#1262392).

- CVE-2026-31438: netfs: Fix kernel BUG in netfs_limit_iter() for ITER_KVEC iterators (bsc#1267824).

- CVE-2026-31450: ext4: publish jinode after...

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Topics%20covered

Topics Covered

security advisory security issue buffer overflow important kernel OpenSUSE

Patch

Package List

- openSUSE Leap 16.0:

cluster-md-kmp-64kb-6.12.0-160000.36.1

cluster-md-kmp-azure-6.12.0-160000.36.1

cluster-md-kmp-default-6.12.0-160000.36.1

cluster-md-kmp-rt-6.12.0-160000.36.1

dlm-kmp-64kb-6.12.0-160000.36.1

dlm-kmp-azure-6.12.0-160000.36.1

dlm-kmp-default-6.12.0-160000.36.1

dlm-kmp-rt-6.12.0-160000.36.1

dtb-allwinner-6.12.0-160000.36.1

dtb-altera-6.12.0-160000.36.1

dtb-amazon-6.12.0-160000.36.1

dtb-amd-6.12.0-160000.36.1

dtb-amlogic-6.12.0-160000.36.1

dtb-apm-6.12.0-160000.36.1

dtb-apple-6.12.0-160000.36.1

dtb-arm-6.12.0-160000.36.1

dtb-broadcom-6.12.0-160000.36.1

dtb-cavium-6.12.0-160000.36.1

dtb-exynos-6.12.0-160000.36.1

dtb-freescale-6.12.0-160000.36.1

dtb-hisilicon-6.12.0-160000.36.1

dtb-lg-6.12.0-160000.36.1

dtb-marvell-6.12.0-160000.36.1

dtb-mediatek-6.12.0-160000.36.1

dtb-nvidia-6.12.0-160000.36.1

dtb-qcom-6.12.0-160000.36.1

dtb-renesas-6.12.0-160000.36.1

dtb-rockchip-6.12.0-160000.36.1

dtb-socionext-6.12.0-160000.36.1

dtb-sprd-6.12.0-160000.36.1

dtb-xilinx-6.12.0-160000.36.1

gfs2-kmp-64kb-6.12.0-160000.3...

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References

* bsc#1149651

* bsc#1204315

* bsc#1236743

* bsc#1255029

* bsc#1257506

* bsc#1258538

* bsc#1259800

* bsc#1260565

* bsc#1261250

* bsc#1261256

* bsc#1261562

* bsc#1261604

* bsc#1262085

* bsc#1262392

* bsc#1262430

* bsc#1262618

* bsc#1262620

* bsc#1262674

* bsc#1262748

* bsc#1262765

* bsc#1262798

* bsc#1263057

* bsc#1263072

* bsc#1263133

* bsc#1263137

* bsc#1263143

* bsc#1263169

* bsc#1263178

* bsc#1263319

* bsc#1263563

* bsc#1263568

* bsc#1263573

* bsc#1263578

* bsc#1263581

* bsc#1263796

* bsc#1263930

* bsc#1263934

* bsc#1263993

* bsc#1263996

* bsc#1263998

* bsc#1264001

* bsc#1264007

* bsc#1264010

* bsc#1264012

* bsc#1264015

* bsc#1264045

* bsc#1264056

* bsc#1264067

* bsc#1264084

* bsc#1264145

* bsc#1264230

* bsc#1264231

* bsc#1264236

* bsc#1264239

* bsc#1264241

* bsc#1264250

* bsc#1264254

* bsc#1264258

* bsc#1264261

* bsc#1264263

* bsc#1264266

* bsc#1264270

* bsc#1264286

* bsc#1264294

* bsc#1264295

* bsc#1264302

* bsc#1264304

* bsc#1264320

* bsc#1264328

* bsc#1264333

* bsc#1264337

* bsc#1264372

* bsc#1264386

* bsc#1264429

* bsc#1264449

* bsc#1264532

*...

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Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:21388-1
Rating: important

Topics%20covered

Topics Covered

security advisory security issue buffer overflow important kernel OpenSUSE

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