Read the docs
Red Hat Security Advisory

RHSA-2026:44694

kernel security, bug fix, and enhancement update

Released 2026-07-23 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 4 records

Priority MEDIUM 42

In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_tcpmss: check remaining length before reading optlen Quoting reporter: In net/netfilter/xt_tcpmss.c (lines 53-68), the TCP option parser r…

CVSS 3.1HIGH 8.2 Network No auth No interaction EPSS 0.00463 Published 2026-05-06 Partial fix · 5.10.252, 5.15.202 +6 CWE-125
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: drop stray 'static' from fast-RX rx_result ieee80211_invoke_fast_rx() is documented as safe for parallel RX, but its per-invocation rx_r…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00168 Published 2026-05-28 Fixed in 6.6.140, 6.12.88 +3 CWE-362
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: can: bcm: defer rx_op deallocation to workqueue to fix thrtimer UAF Commit f1b4e32aca08 ("can: bcm: use call_rcu() instead of costly synchronize_rcu()")…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00169 Published 2026-08-15 Partial fix · 5.10.265, 5.15.216 +9
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: net: sched: act_csum: validate nested VLAN headers tcf_csum_act() walks nested VLAN headers directly from skb->data when an skb still carries in-payload…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00117 Published 2026-04-25 Partial fix · 4.20, 5.10.258 +7