Red Hat Security AdvisoryRHSA-2026:44694
kernel security, bug fix, and enhancement update
Released 2026-07-23 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream EUS (v. 10.0) kernel-64k-debug-devel-6.12.0-55.92.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.92.1.el10_0, kernel-64k-devel-6.12.0-55.92.1.el10_0 +12
- Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel-6.12.0-55.92.1.el10_0, kernel-64k-6.12.0-55.92.1.el10_0, kernel-64k-core-6.12.0-55.92.1.el10_0 +28
- Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) kernel-tools-libs-devel-6.12.0-55.92.1.el10_0, libperf-6.12.0-55.92.1.el10_0
- Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt-6.12.0-55.92.1.el10_0, kernel-rt-64k-6.12.0-55.92.1.el10_0, kernel-rt-64k-core-6.12.0-55.92.1.el10_0 +21
- Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt-6.12.0-55.92.1.el10_0, kernel-rt-core-6.12.0-55.92.1.el10_0, kernel-rt-debug-6.12.0-55.92.1.el10_0 +11
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