CVE-2026-23327
cxl/mbox: validate payload size before accessing contents in cxl_payload_from_user_allowed()
CVE-2026-23327 is fixed in 16 products on 1 platform, first by DEBIAN-CVE-2026-23327, released March 25, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.1
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0017
6th percentile
cxl/mbox: validate payload size before accessing contents in cxl_payload_from_user_allowed()
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| dtb-aarch64 · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-64kb · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.60.1 | SUSE-SU-2026:2482-1 | Jun 22, 2026 |
| kernel-64kb · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-azure · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-azure · sles 15.7 | 6.4.0-150700.53.60.1 | SUSE-SU-2026:2482-1 | Jun 22, 2026 |
| kernel-azure · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-default · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.60.1 | SUSE-SU-2026:2482-1 | Jun 22, 2026 |
| kernel-default · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-default-base · opensuse-leap 16.0 | 6.12.0-160000.35.1.160000.2.16 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.60.1.150700.17.35.4 | SUSE-SU-2026:2482-1 | Jun 22, 2026 |
| kernel-default-base · sles 16.0 | 6.12.0-160000.35.1.160000.2.16 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-docs · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.60.1 | SUSE-SU-2026:2482-1 | Jun 22, 2026 |
| kernel-docs · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-kvmsmall · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-kvmsmall · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_16 · sles 15.7 | 1-150700.1.5.2 | SUSE-SU-2026:2591-1 | Jun 23, 2026 |
| kernel-livepatch-SLE15-SP7_Update_16 · sles 15.7 | 1-150700.15.3.2 | SUSE-SU-2026:2482-1 | Jun 22, 2026 |
| kernel-obs-build · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.60.2 | SUSE-SU-2026:2482-1 | Jun 22, 2026 |
| kernel-obs-qa · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-obs-qa · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-rt · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-source · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.60.1 | SUSE-SU-2026:2482-1 | Jun 22, 2026 |
| kernel-source · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-syms · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.60.1 | SUSE-SU-2026:2482-1 | Jun 22, 2026 |
| kernel-syms · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-zfcpdump · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.60.1 | SUSE-SU-2026:2482-1 | Jun 22, 2026 |
| kernel-zfcpdump · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.115-2 | DEBIAN-CVE-2026-23327 | Mar 25, 2026 |
| linux · Debian 14 | 6.19.8-1 | DEBIAN-CVE-2026-23327 | Mar 25, 2026 |
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