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Red Hat Security Advisory

RHSA-2026:59663

kernel-rt security, bug fix, and enhancement update

Released 2026-08-26 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 5 records

Priority HIGH 73

In the Linux kernel, the following vulnerability has been resolved: vhost: reset the vring metadata cache on vring reconfiguration vq->meta_iotlb[] caches the vhost_iotlb_map that backs each vring metadata region, and io…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00409 Published 2026-08-21 Partial fix · 5.10.265, 5.15.216 +6
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath When cifs_sanitize_prepath is called with an empty string or a string containing only del…

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.00352 Published 2026-05-06 Partial fix · 5.15.209, 6.1.175 +5 CWE-125
Priority LOW 37

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels seg6_input_core() and rpl_input() call ip6_route_input() which sets a NOREF dst on the skb, then…

CVSS 3.1HIGH 8.1 Network No auth No interaction EPSS 0.00288 Published 2026-05-27 Partial fix · 5.15.209, 6.1.175 +5 CWE-416
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: dm log: fix out-of-bounds write due to region_count overflow The local variable region_count in create_log_context() is declared as unsigned int (32-bit…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00141 Published 2026-06-24 Partial fix · 5.10.258, 5.15.209 +6 CWE-787
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix crash due to unvalidated vcc pointer in sigd_send() Reproducer available at [1].

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00133 Published 2026-04-08 Partial fix · 5.10.252, 5.15.202 +6 CWE-476