7.4
High
CVE-2026-23364 In the Linux kernel, the following vulnerability has been resolved: ksmbd: Compare MACs in constant time To prevent…
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: Compare MACs in constant time To prevent timing attacks, MAC comparisons need to be constant-time. Replace the memcmp() with the correct function, crypto_memneq().
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 7.0 | earliest → < 7.0 | 7.0 |
| Linux 6.19 | earliest → < 6.19.7 | 6.19.7 |
| Linux 6.18 | earliest → < 6.18.19 | 6.18.19 |
| Linux 6.12 | earliest → < 6.12.78 | 6.12.78 |
| Linux 6.6 | earliest → < 6.6.130 | 6.6.130 |
| Linux 6.1 | earliest → < 6.1.167 | 6.1.167 |
| Linux | 5.15 | 5.15.210 |
| SIMATIC S7-1500 TM MFP - GNU/Linux subsystem | Versions not published |
Other CVEs of Linux
The 18286 CVEs of Linux →
CVE-2026-100082
xen-blkback: Avoid UAF when reading I/O statistics
Not rated
CVE-2026-100081
xen-netback: defer xenvif_mcast_addr_list_free()
Not rated
CVE-2026-100080
xen-netback: Fix UAF when reading statistics data
Not rated
CVE-2026-99270
tcp: Fix potential UAF in reqsk_timer_handler().
8.1
High