CVE-2026-23042

linux: In the Linux kernel, the following vulnerability has been resolved: idpf: fix aux device unplugging when rdma is not...

CVE-2026-23042 is fixed in 14 products on 1 platform, first by DEBIAN-CVE-2026-23042, released February 4, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0017
6th percentile

In the Linux kernel, the following vulnerability has been resolved: idpf: fix aux device unplugging when rdma is not supported by vport If vport flags do not contain VIRTCHNL2_VPORT_ENABLE_RDMA, driver does not allocate vdev_info for this vport. This leads to kernel NULL pointer dereference in idpf_idc_vport_dev_down(), which references vdev_info for every vport regardless. Check, if vdev_info was ever allocated before unplugging aux device.

Where it's fixed

ProductFixed inFixReleased
Linux
dtb-aarch64 · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-64kb · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-64kb · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-azure · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-azure · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-default · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-default · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-default-base · opensuse-leap 16.0 6.12.0-160000.27.1.160000.2.8 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-default-base · sles 16.0 6.12.0-160000.27.1.160000.2.8 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-docs · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-docs · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-kvmsmall · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-kvmsmall · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-obs-build · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-obs-qa · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-obs-qa · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-rt · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-source · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-source · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-syms · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-syms · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-zfcpdump · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-zfcpdump · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
linux · Debian 14 6.18.8-1 DEBIAN-CVE-2026-23042 Feb 4, 2026

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