CVE-2026-23450
kernel-default: net/smc: fix NULL dereference and UAF in smc_tcp_syn_recv_sock() (bsc#1261584).
CVE-2026-23450 is fixed in 12 products on 1 platform, first by DEBIAN-CVE-2026-23450, released April 3, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
9.8
critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0046
40th percentile
net/smc: fix NULL dereference and UAF in smc_tcp_syn_recv_sock() (bsc#1261584).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-azure · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-default · sles 15.6 | 6.4.0-150600.23.112.1 | SUSE-SU-2026:2195-1 | Jul 1, 2026 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-default-base · sles 15.6 | 6.4.0-150600.23.112.1.150600.12.52.1 | SUSE-SU-2026:2195-1 | Jul 1, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.55.1.150700.17.33.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-docs · sles 15.6 | 6.4.0-150600.23.112.1 | SUSE-SU-2026:2195-1 | Jul 1, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-livepatch-SLE15-SP6_Update_26 · sles 15.6 | 1-150600.13.3.1 | SUSE-SU-2026:2195-1 | Jul 1, 2026 |
| kernel-livepatch-SLE15-SP7_Update_15 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-obs-build · sles 15.6 | 6.4.0-150600.23.112.1 | SUSE-SU-2026:2195-1 | Jul 1, 2026 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-source · sles 15.6 | 6.4.0-150600.23.112.1 | SUSE-SU-2026:2195-1 | Jul 1, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-syms · sles 15.6 | 6.4.0-150600.23.112.1 | SUSE-SU-2026:2195-1 | Jul 1, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| linux · Debian 12.15 (bookworm) | 6.1.170-1 | DEBIAN-CVE-2026-23450 | Apr 3, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.85-1 | DEBIAN-CVE-2026-23450 | Apr 3, 2026 |
| linux · Debian 14 | 6.19.10-1 | DEBIAN-CVE-2026-23450 | Apr 3, 2026 |
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