Red Hat Security AdvisoryRHSA-2026:33285
kernel security, bug fix, and enhancement update
Released 2026-06-30 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-687.20.1.el9_8, kernel-64k-debug-devel-matched-5.14.0-687.20.1.el9_8, kernel-64k-devel-5.14.0-687.20.1.el9_8 +12
- Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-687.20.1.el9_8, kernel-64k-5.14.0-687.20.1.el9_8, kernel-64k-core-5.14.0-687.20.1.el9_8 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-687.20.1.el9_8, libperf-5.14.0-687.20.1.el9_8
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-687.20.1.el9_8, kernel-rt-64k-5.14.0-687.20.1.el9_8, kernel-rt-64k-core-5.14.0-687.20.1.el9_8 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-687.20.1.el9_8, kernel-rt-core-5.14.0-687.20.1.el9_8, kernel-rt-debug-5.14.0-687.20.1.el9_8 +9
Fixes 2 records
Priority MEDIUM 49
In the Linux kernel, the following vulnerability has been resolved: tcp: fix potential race in tcp_v6_syn_recv_sock() Code in tcp_v6_syn_recv_sock() after the call to tcp_v4_syn_recv_sock() is done too late.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00298 · Published 2026-05-06 · Partial fix · 5.10.270, 5.15.221 +6 CWE-362
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
